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Posted to commits@commons.apache.org by tn...@apache.org on 2015/02/16 23:40:36 UTC

[66/82] [math] Update for next development iteration: commons-math4

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FirstMoment.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FirstMoment.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FirstMoment.java
index 5f2b95a..8ab7b0f 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FirstMoment.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FirstMoment.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Computes the first moment (arithmetic mean).  Uses the definitional formula:

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FourthMoment.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FourthMoment.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FourthMoment.java
index cf9d8ef..d7d07df 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FourthMoment.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/FourthMoment.java
@@ -14,12 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Computes a statistic related to the Fourth Central Moment.  Specifically,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/GeometricMean.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/GeometricMean.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/GeometricMean.java
index bfee9df..41c58b9 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/GeometricMean.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/GeometricMean.java
@@ -14,19 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MathIllegalStateException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.summary.SumOfLogs;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MathIllegalStateException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.summary.SumOfLogs;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Returns the <a href="http://www.xycoon.com/geometric_mean.htm">

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Kurtosis.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Kurtosis.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Kurtosis.java
index be04fbe..4970058 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Kurtosis.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Kurtosis.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Mean.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Mean.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Mean.java
index aac3d78..94c58a2 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Mean.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Mean.java
@@ -14,16 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.WeightedEvaluation;
-import org.apache.commons.math3.stat.descriptive.summary.Sum;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.WeightedEvaluation;
+import org.apache.commons.math4.stat.descriptive.summary.Sum;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * <p>Computes the arithmetic mean of a set of values. Uses the definitional

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SecondMoment.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SecondMoment.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SecondMoment.java
index 12715c0..e617ada 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SecondMoment.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SecondMoment.java
@@ -14,12 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Computes a statistic related to the Second Central Moment.  Specifically,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SemiVariance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SemiVariance.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SemiVariance.java
index 563119a..10c8659 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SemiVariance.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/SemiVariance.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractUnivariateStatistic;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractUnivariateStatistic;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * <p>Computes the semivariance of a set of values with respect to a given cutoff value.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Skewness.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Skewness.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Skewness.java
index 9ecb0dd..db3d9f4 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Skewness.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Skewness.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Computes the skewness of the available values.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviation.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviation.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviation.java
index a6248c5..5847b13 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviation.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviation.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Computes the sample standard deviation.  The standard deviation

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMoment.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMoment.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMoment.java
index 2c5331d..ba74055 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMoment.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMoment.java
@@ -14,12 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.MathUtils;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Variance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Variance.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Variance.java
index 1ba48e9..b1cf852 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Variance.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/Variance.java
@@ -14,16 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.stat.descriptive.WeightedEvaluation;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.WeightedEvaluation;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Computes the variance of the available values.  By default, the unbiased

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovariance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovariance.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovariance.java
index 7f6f903..cf27522 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovariance.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovariance.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 import java.util.Arrays;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.linear.MatrixUtils;
-import org.apache.commons.math3.linear.RealMatrix;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.linear.MatrixUtils;
+import org.apache.commons.math4.linear.RealMatrix;
 
 /**
  * Returns the covariance matrix of the available vectors.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMean.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMean.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMean.java
index e06b3bc..cdc5a26 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMean.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMean.java
@@ -14,12 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
 import java.io.Serializable;
 import java.util.Arrays;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.DimensionMismatchException;
 
 /**
  * Returns the arithmetic mean of the available vectors.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/moment/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/package-info.java b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/package-info.java
index e23ead7..48d3ef1 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/moment/package-info.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/moment/package-info.java
@@ -17,4 +17,4 @@
 /**
  * Summary statistics based on moments.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/package-info.java b/src/main/java/org/apache/commons/math4/stat/descriptive/package-info.java
index 92fa5b3..dd73f99 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/package-info.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/package-info.java
@@ -41,4 +41,4 @@
  *        </code>
  *
  */
-package org.apache.commons.math3.stat.descriptive;
+package org.apache.commons.math4.stat.descriptive;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Max.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Max.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Max.java
index 75f145f..e76e68a 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Max.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Max.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Returns the maximum of the available values.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Median.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Median.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Median.java
index 6350a0b..4aa10bf 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Median.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Median.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.ranking.NaNStrategy;
-import org.apache.commons.math3.util.KthSelector;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.ranking.NaNStrategy;
+import org.apache.commons.math4.util.KthSelector;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Min.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Min.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Min.java
index c87e6f1..a0ddf86 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Min.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Min.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Returns the minimum of the available values.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentile.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentile.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentile.java
index 3c82195..79df284 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentile.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentile.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
 import java.io.IOException;
 import java.io.ObjectInputStream;
@@ -26,18 +26,18 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.interpolation.LinearInterpolator;
-import org.apache.commons.math3.analysis.interpolation.NevilleInterpolator;
-import org.apache.commons.math3.analysis.interpolation.UnivariateInterpolator;
-import org.apache.commons.math3.exception.InsufficientDataException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.MathUtils;
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.LinearInterpolator;
+import org.apache.commons.math4.analysis.interpolation.NevilleInterpolator;
+import org.apache.commons.math4.analysis.interpolation.UnivariateInterpolator;
+import org.apache.commons.math4.exception.InsufficientDataException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * A {@link StorelessUnivariateStatistic} estimating percentiles using the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Percentile.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Percentile.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Percentile.java
index 69628f2..499123d 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Percentile.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Percentile.java
@@ -14,26 +14,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
 import java.io.Serializable;
 import java.util.Arrays;
 import java.util.BitSet;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MathUnsupportedOperationException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.stat.descriptive.AbstractUnivariateStatistic;
-import org.apache.commons.math3.stat.ranking.NaNStrategy;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.KthSelector;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.MathUtils;
-import org.apache.commons.math3.util.MedianOf3PivotingStrategy;
-import org.apache.commons.math3.util.PivotingStrategyInterface;
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MathUnsupportedOperationException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.stat.descriptive.AbstractUnivariateStatistic;
+import org.apache.commons.math4.stat.ranking.NaNStrategy;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.KthSelector;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
+import org.apache.commons.math4.util.MedianOf3PivotingStrategy;
+import org.apache.commons.math4.util.PivotingStrategyInterface;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * Provides percentile computation.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/rank/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/package-info.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/package-info.java
index da37b37..3d8d99a 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/package-info.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/package-info.java
@@ -17,4 +17,4 @@
 /**
  * Summary statistics based on ranks.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Product.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Product.java b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Product.java
index 7d313a5..dfbf613 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Product.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Product.java
@@ -14,16 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.WeightedEvaluation;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.WeightedEvaluation;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Returns the product of the available values.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Sum.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Sum.java b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Sum.java
index e12b6a1..6205d2a 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Sum.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/Sum.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.MathUtils;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfLogs.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfLogs.java b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfLogs.java
index 19718af..57f725c 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfLogs.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfLogs.java
@@ -14,20 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Returns the sum of the natural logs for this collection of values.
  * <p>
- * Uses {@link org.apache.commons.math3.util.FastMath#log(double)} to compute the logs.
+ * Uses {@link org.apache.commons.math4.util.FastMath#log(double)} to compute the logs.
  * Therefore,
  * <ul>
  * <li>If any of values are &lt; 0, the result is <code>NaN.</code></li>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfSquares.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfSquares.java b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfSquares.java
index 161d8c8..68c589b 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfSquares.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/SumOfSquares.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.descriptive.AbstractStorelessUnivariateStatistic;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.descriptive.AbstractStorelessUnivariateStatistic;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Returns the sum of the squares of the available values.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/descriptive/summary/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/package-info.java b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/package-info.java
index 2f07145..28e7c76 100644
--- a/src/main/java/org/apache/commons/math4/stat/descriptive/summary/package-info.java
+++ b/src/main/java/org/apache/commons/math4/stat/descriptive/summary/package-info.java
@@ -17,4 +17,4 @@
 /**
  * Other summary statistics.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/AlternativeHypothesis.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/AlternativeHypothesis.java b/src/main/java/org/apache/commons/math4/stat/inference/AlternativeHypothesis.java
index 527067e..3fb170d 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/AlternativeHypothesis.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/AlternativeHypothesis.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
 /**
  * Represents an alternative hypothesis for a hypothesis test.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/BinomialTest.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/BinomialTest.java b/src/main/java/org/apache/commons/math4/stat/inference/BinomialTest.java
index 2efe091..7b6ca26 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/BinomialTest.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/BinomialTest.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
-import org.apache.commons.math3.distribution.BinomialDistribution;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MathInternalError;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.distribution.BinomialDistribution;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MathInternalError;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Implements binomial test statistics.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/ChiSquareTest.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/ChiSquareTest.java b/src/main/java/org/apache/commons/math4/stat/inference/ChiSquareTest.java
index 7e97ac1..fead59e 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/ChiSquareTest.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/ChiSquareTest.java
@@ -14,19 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
-
-import org.apache.commons.math3.distribution.ChiSquaredDistribution;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.ZeroException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
+package org.apache.commons.math4.stat.inference;
+
+import org.apache.commons.math4.distribution.ChiSquaredDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Implements Chi-Square test statistics.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/GTest.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/GTest.java b/src/main/java/org/apache/commons/math4/stat/inference/GTest.java
index de1fbe3..2495804 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/GTest.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/GTest.java
@@ -14,18 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
-import org.apache.commons.math3.distribution.ChiSquaredDistribution;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.ZeroException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.distribution.ChiSquaredDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Implements <a href="http://en.wikipedia.org/wiki/G-test">G Test</a>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTest.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTest.java b/src/main/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTest.java
index 131d0c6..fbea82f 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTest.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTest.java
@@ -15,35 +15,35 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
 import java.math.BigDecimal;
 import java.util.Arrays;
 import java.util.Iterator;
 
-import org.apache.commons.math3.distribution.RealDistribution;
-import org.apache.commons.math3.exception.InsufficientDataException;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.TooManyIterationsException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.fraction.BigFraction;
-import org.apache.commons.math3.fraction.BigFractionField;
-import org.apache.commons.math3.fraction.FractionConversionException;
-import org.apache.commons.math3.linear.Array2DRowFieldMatrix;
-import org.apache.commons.math3.linear.FieldMatrix;
-import org.apache.commons.math3.linear.MatrixUtils;
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.CombinatoricsUtils;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
-
-import static org.apache.commons.math3.util.MathUtils.PI_SQUARED;
-import static org.apache.commons.math3.util.FastMath.PI;
+import org.apache.commons.math4.distribution.RealDistribution;
+import org.apache.commons.math4.exception.InsufficientDataException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.TooManyIterationsException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.fraction.BigFraction;
+import org.apache.commons.math4.fraction.BigFractionField;
+import org.apache.commons.math4.fraction.FractionConversionException;
+import org.apache.commons.math4.linear.Array2DRowFieldMatrix;
+import org.apache.commons.math4.linear.FieldMatrix;
+import org.apache.commons.math4.linear.MatrixUtils;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.CombinatoricsUtils;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
+
+import static org.apache.commons.math4.util.FastMath.PI;
+import static org.apache.commons.math4.util.MathUtils.PI_SQUARED;
 
 /**
  * Implementation of the <a href="http://en.wikipedia.org/wiki/Kolmogorov-Smirnov_test">
@@ -358,13 +358,13 @@ public class KolmogorovSmirnovTest {
      * Calculates \(P(D_n < d)\) using the method described in [1] with quick decisions for extreme
      * values given in [2] (see above). The result is not exact as with
      * {@link #cdfExact(double, int)} because calculations are based on
-     * {@code double} rather than {@link org.apache.commons.math3.fraction.BigFraction}.
+     * {@code double} rather than {@link org.apache.commons.math4.fraction.BigFraction}.
      *
      * @param d statistic
      * @param n sample size
      * @return \(P(D_n < d)\)
      * @throws MathArithmeticException if algorithm fails to convert {@code h} to a
-     *         {@link org.apache.commons.math3.fraction.BigFraction} in expressing {@code d} as \((k
+     *         {@link org.apache.commons.math4.fraction.BigFraction} in expressing {@code d} as \((k
      *         - h) / m\) for integer {@code k, m} and \(0 \le h < 1\)
      */
     public double cdf(double d, int n)
@@ -383,7 +383,7 @@ public class KolmogorovSmirnovTest {
      * @param n sample size
      * @return \(P(D_n < d)\)
      * @throws MathArithmeticException if the algorithm fails to convert {@code h} to a
-     *         {@link org.apache.commons.math3.fraction.BigFraction} in expressing {@code d} as \((k
+     *         {@link org.apache.commons.math4.fraction.BigFraction} in expressing {@code d} as \((k
      *         - h) / m\) for integer {@code k, m} and \(0 \le h < 1\)
      */
     public double cdfExact(double d, int n)
@@ -398,13 +398,13 @@ public class KolmogorovSmirnovTest {
      * @param d statistic
      * @param n sample size
      * @param exact whether the probability should be calculated exact using
-     *        {@link org.apache.commons.math3.fraction.BigFraction} everywhere at the expense of
+     *        {@link org.apache.commons.math4.fraction.BigFraction} everywhere at the expense of
      *        very slow execution time, or if {@code double} should be used convenient places to
      *        gain speed. Almost never choose {@code true} in real applications unless you are very
      *        sure; {@code true} is almost solely for verification purposes.
      * @return \(P(D_n < d)\)
      * @throws MathArithmeticException if algorithm fails to convert {@code h} to a
-     *         {@link org.apache.commons.math3.fraction.BigFraction} in expressing {@code d} as \((k
+     *         {@link org.apache.commons.math4.fraction.BigFraction} in expressing {@code d} as \((k
      *         - h) / m\) for integer {@code k, m} and \(0 \le h < 1\).
      */
     public double cdf(double d, int n, boolean exact)
@@ -439,14 +439,14 @@ public class KolmogorovSmirnovTest {
 
     /**
      * Calculates the exact value of {@code P(D_n < d)} using the method described in [1] (reference
-     * in class javadoc above) and {@link org.apache.commons.math3.fraction.BigFraction} (see
+     * in class javadoc above) and {@link org.apache.commons.math4.fraction.BigFraction} (see
      * above).
      *
      * @param d statistic
      * @param n sample size
      * @return the two-sided probability of \(P(D_n < d)\)
      * @throws MathArithmeticException if algorithm fails to convert {@code h} to a
-     *         {@link org.apache.commons.math3.fraction.BigFraction} in expressing {@code d} as \((k
+     *         {@link org.apache.commons.math4.fraction.BigFraction} in expressing {@code d} as \((k
      *         - h) / m\) for integer {@code k, m} and \(0 \le h < 1\).
      */
     private double exactK(double d, int n)
@@ -642,7 +642,7 @@ public class KolmogorovSmirnovTest {
      * @return H matrix
      * @throws NumberIsTooLargeException if fractional part is greater than 1
      * @throws FractionConversionException if algorithm fails to convert {@code h} to a
-     *         {@link org.apache.commons.math3.fraction.BigFraction} in expressing {@code d} as \((k
+     *         {@link org.apache.commons.math4.fraction.BigFraction} in expressing {@code d} as \((k
      *         - h) / m\) for integer {@code k, m} and \(0 <= h < 1\).
      */
     private FieldMatrix<BigFraction> createExactH(double d, int n)

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/MannWhitneyUTest.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/MannWhitneyUTest.java b/src/main/java/org/apache/commons/math4/stat/inference/MannWhitneyUTest.java
index 82fddb3..3fa34a3 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/MannWhitneyUTest.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/MannWhitneyUTest.java
@@ -14,17 +14,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
-
-import org.apache.commons.math3.distribution.NormalDistribution;
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.stat.ranking.NaNStrategy;
-import org.apache.commons.math3.stat.ranking.NaturalRanking;
-import org.apache.commons.math3.stat.ranking.TiesStrategy;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.stat.inference;
+
+import org.apache.commons.math4.distribution.NormalDistribution;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.ranking.NaNStrategy;
+import org.apache.commons.math4.stat.ranking.NaturalRanking;
+import org.apache.commons.math4.stat.ranking.TiesStrategy;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * An implementation of the Mann-Whitney U test (also called Wilcoxon rank-sum test).

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/OneWayAnova.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/OneWayAnova.java b/src/main/java/org/apache/commons/math4/stat/inference/OneWayAnova.java
index d0c5fc1..90f4e96 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/OneWayAnova.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/OneWayAnova.java
@@ -14,20 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
 import java.util.ArrayList;
 import java.util.Collection;
 
-import org.apache.commons.math3.distribution.FDistribution;
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.distribution.FDistribution;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.stat.descriptive.SummaryStatistics;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Implements one-way ANOVA (analysis of variance) statistics.
@@ -35,9 +35,9 @@ import org.apache.commons.math3.util.MathUtils;
  * <p> Tests for differences between two or more categories of univariate data
  * (for example, the body mass index of accountants, lawyers, doctors and
  * computer programmers).  When two categories are given, this is equivalent to
- * the {@link org.apache.commons.math3.stat.inference.TTest}.
+ * the {@link org.apache.commons.math4.stat.inference.TTest}.
  * </p><p>
- * Uses the {@link org.apache.commons.math3.distribution.FDistribution
+ * Uses the {@link org.apache.commons.math4.distribution.FDistribution
  * commons-math F Distribution implementation} to estimate exact p-values.</p>
  * <p>This implementation is based on a description at
  * http://faculty.vassar.edu/lowry/ch13pt1.html</p>
@@ -103,7 +103,7 @@ public class OneWayAnova {
      * <code>categoryData</code> collection and each of these arrays must
      * contain at least two values.</li></ul></p><p>
      * This implementation uses the
-     * {@link org.apache.commons.math3.distribution.FDistribution
+     * {@link org.apache.commons.math4.distribution.FDistribution
      * commons-math F Distribution implementation} to estimate the exact
      * p-value, using the formula<pre>
      *   p = 1 - cumulativeProbability(F)</pre>
@@ -142,7 +142,7 @@ public class OneWayAnova {
      * <code>categoryData</code> collection and each of these statistics must
      * contain at least two values.</li></ul></p><p>
      * This implementation uses the
-     * {@link org.apache.commons.math3.distribution.FDistribution
+     * {@link org.apache.commons.math4.distribution.FDistribution
      * commons-math F Distribution implementation} to estimate the exact
      * p-value, using the formula<pre>
      *   p = 1 - cumulativeProbability(F)</pre>
@@ -223,7 +223,7 @@ public class OneWayAnova {
      * <li>alpha must be strictly greater than 0 and less than or equal to 0.5.
      * </li></ul></p><p>
      * This implementation uses the
-     * {@link org.apache.commons.math3.distribution.FDistribution
+     * {@link org.apache.commons.math4.distribution.FDistribution
      * commons-math F Distribution implementation} to estimate the exact
      * p-value, using the formula<pre>
      *   p = 1 - cumulativeProbability(F)</pre>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/TTest.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/TTest.java b/src/main/java/org/apache/commons/math4/stat/inference/TTest.java
index b0f76f6..2168099 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/TTest.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/TTest.java
@@ -14,21 +14,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
-
-import org.apache.commons.math3.distribution.TDistribution;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.stat.StatUtils;
-import org.apache.commons.math3.stat.descriptive.StatisticalSummary;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.stat.inference;
+
+import org.apache.commons.math4.distribution.TDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.stat.StatUtils;
+import org.apache.commons.math4.stat.descriptive.StatisticalSummary;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * An implementation for Student's t-tests.
@@ -51,7 +51,7 @@ import org.apache.commons.math3.util.FastMath;
  * <p>
  * Input to tests can be either <code>double[]</code> arrays or
  * {@link StatisticalSummary} instances.</p><p>
- * Uses commons-math {@link org.apache.commons.math3.distribution.TDistribution}
+ * Uses commons-math {@link org.apache.commons.math4.distribution.TDistribution}
  * implementation to estimate exact p-values.</p>
  *
  */

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/TestUtils.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/TestUtils.java b/src/main/java/org/apache/commons/math4/stat/inference/TestUtils.java
index a92fb19..a2bcb3f 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/TestUtils.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/TestUtils.java
@@ -14,23 +14,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
 import java.util.Collection;
 
-import org.apache.commons.math3.distribution.RealDistribution;
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.InsufficientDataException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.ZeroException;
-import org.apache.commons.math3.stat.descriptive.StatisticalSummary;
+import org.apache.commons.math4.distribution.RealDistribution;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.InsufficientDataException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.stat.descriptive.StatisticalSummary;
 
 /**
  * A collection of static methods to create inference test instances or to
@@ -65,7 +65,7 @@ public class TestUtils  {
     // CHECKSTYLE: stop JavadocMethodCheck
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#homoscedasticT(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#homoscedasticT(double[], double[])
      */
     public static double homoscedasticT(final double[] sample1, final double[] sample2)
         throws NullArgumentException, NumberIsTooSmallException {
@@ -73,7 +73,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#homoscedasticT(org.apache.commons.math3.stat.descriptive.StatisticalSummary, org.apache.commons.math3.stat.descriptive.StatisticalSummary)
+     * @see org.apache.commons.math4.stat.inference.TTest#homoscedasticT(org.apache.commons.math4.stat.descriptive.StatisticalSummary, org.apache.commons.math4.stat.descriptive.StatisticalSummary)
      */
     public static double homoscedasticT(final StatisticalSummary sampleStats1,
                                         final StatisticalSummary sampleStats2)
@@ -82,7 +82,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#homoscedasticTTest(double[], double[], double)
+     * @see org.apache.commons.math4.stat.inference.TTest#homoscedasticTTest(double[], double[], double)
      */
     public static boolean homoscedasticTTest(final double[] sample1, final double[] sample2,
                                              final double alpha)
@@ -92,7 +92,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#homoscedasticTTest(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#homoscedasticTTest(double[], double[])
      */
     public static double homoscedasticTTest(final double[] sample1, final double[] sample2)
         throws NullArgumentException, NumberIsTooSmallException, MaxCountExceededException {
@@ -100,7 +100,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#homoscedasticTTest(org.apache.commons.math3.stat.descriptive.StatisticalSummary, org.apache.commons.math3.stat.descriptive.StatisticalSummary)
+     * @see org.apache.commons.math4.stat.inference.TTest#homoscedasticTTest(org.apache.commons.math4.stat.descriptive.StatisticalSummary, org.apache.commons.math4.stat.descriptive.StatisticalSummary)
      */
     public static double homoscedasticTTest(final StatisticalSummary sampleStats1,
                                             final StatisticalSummary sampleStats2)
@@ -109,7 +109,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#pairedT(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#pairedT(double[], double[])
      */
     public static double pairedT(final double[] sample1, final double[] sample2)
         throws NullArgumentException, NoDataException,
@@ -118,7 +118,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#pairedTTest(double[], double[], double)
+     * @see org.apache.commons.math4.stat.inference.TTest#pairedTTest(double[], double[], double)
      */
     public static boolean pairedTTest(final double[] sample1, final double[] sample2,
                                       final double alpha)
@@ -128,7 +128,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#pairedTTest(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#pairedTTest(double[], double[])
      */
     public static double pairedTTest(final double[] sample1, final double[] sample2)
         throws NullArgumentException, NoDataException, DimensionMismatchException,
@@ -137,7 +137,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#t(double, double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#t(double, double[])
      */
     public static double t(final double mu, final double[] observed)
         throws NullArgumentException, NumberIsTooSmallException {
@@ -145,7 +145,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#t(double, org.apache.commons.math3.stat.descriptive.StatisticalSummary)
+     * @see org.apache.commons.math4.stat.inference.TTest#t(double, org.apache.commons.math4.stat.descriptive.StatisticalSummary)
      */
     public static double t(final double mu, final StatisticalSummary sampleStats)
         throws NullArgumentException, NumberIsTooSmallException {
@@ -153,7 +153,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#t(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#t(double[], double[])
      */
     public static double t(final double[] sample1, final double[] sample2)
         throws NullArgumentException, NumberIsTooSmallException {
@@ -161,7 +161,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#t(org.apache.commons.math3.stat.descriptive.StatisticalSummary, org.apache.commons.math3.stat.descriptive.StatisticalSummary)
+     * @see org.apache.commons.math4.stat.inference.TTest#t(org.apache.commons.math4.stat.descriptive.StatisticalSummary, org.apache.commons.math4.stat.descriptive.StatisticalSummary)
      */
     public static double t(final StatisticalSummary sampleStats1,
                            final StatisticalSummary sampleStats2)
@@ -170,7 +170,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(double, double[], double)
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(double, double[], double)
      */
     public static boolean tTest(final double mu, final double[] sample, final double alpha)
         throws NullArgumentException, NumberIsTooSmallException,
@@ -179,7 +179,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(double, double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(double, double[])
      */
     public static double tTest(final double mu, final double[] sample)
         throws NullArgumentException, NumberIsTooSmallException,
@@ -188,7 +188,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(double, org.apache.commons.math3.stat.descriptive.StatisticalSummary, double)
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(double, org.apache.commons.math4.stat.descriptive.StatisticalSummary, double)
      */
     public static boolean tTest(final double mu, final StatisticalSummary sampleStats,
                                 final double alpha)
@@ -198,7 +198,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(double, org.apache.commons.math3.stat.descriptive.StatisticalSummary)
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(double, org.apache.commons.math4.stat.descriptive.StatisticalSummary)
      */
     public static double tTest(final double mu, final StatisticalSummary sampleStats)
         throws NullArgumentException, NumberIsTooSmallException,
@@ -207,7 +207,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(double[], double[], double)
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(double[], double[], double)
      */
     public static boolean tTest(final double[] sample1, final double[] sample2,
                                 final double alpha)
@@ -217,7 +217,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(double[], double[])
      */
     public static double tTest(final double[] sample1, final double[] sample2)
         throws NullArgumentException, NumberIsTooSmallException,
@@ -226,7 +226,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(org.apache.commons.math3.stat.descriptive.StatisticalSummary, org.apache.commons.math3.stat.descriptive.StatisticalSummary, double)
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(org.apache.commons.math4.stat.descriptive.StatisticalSummary, org.apache.commons.math4.stat.descriptive.StatisticalSummary, double)
      */
     public static boolean tTest(final StatisticalSummary sampleStats1,
                                 final StatisticalSummary sampleStats2,
@@ -237,7 +237,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.TTest#tTest(org.apache.commons.math3.stat.descriptive.StatisticalSummary, org.apache.commons.math3.stat.descriptive.StatisticalSummary)
+     * @see org.apache.commons.math4.stat.inference.TTest#tTest(org.apache.commons.math4.stat.descriptive.StatisticalSummary, org.apache.commons.math4.stat.descriptive.StatisticalSummary)
      */
     public static double tTest(final StatisticalSummary sampleStats1,
                                final StatisticalSummary sampleStats2)
@@ -247,7 +247,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquare(double[], long[])
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquare(double[], long[])
      */
     public static double chiSquare(final double[] expected, final long[] observed)
         throws NotPositiveException, NotStrictlyPositiveException,
@@ -256,7 +256,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquare(long[][])
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquare(long[][])
      */
     public static double chiSquare(final long[][] counts)
         throws NullArgumentException, NotPositiveException,
@@ -265,7 +265,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquareTest(double[], long[], double)
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquareTest(double[], long[], double)
      */
     public static boolean chiSquareTest(final double[] expected, final long[] observed,
                                         final double alpha)
@@ -275,7 +275,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquareTest(double[], long[])
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquareTest(double[], long[])
      */
     public static double chiSquareTest(final double[] expected, final long[] observed)
         throws NotPositiveException, NotStrictlyPositiveException,
@@ -284,7 +284,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquareTest(long[][], double)
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquareTest(long[][], double)
      */
     public static boolean chiSquareTest(final long[][] counts, final double alpha)
         throws NullArgumentException, DimensionMismatchException,
@@ -293,7 +293,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquareTest(long[][])
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquareTest(long[][])
      */
     public static double chiSquareTest(final long[][] counts)
         throws NullArgumentException, DimensionMismatchException,
@@ -302,7 +302,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquareDataSetsComparison(long[], long[])
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquareDataSetsComparison(long[], long[])
      *
      * @since 1.2
      */
@@ -313,7 +313,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquareTestDataSetsComparison(long[], long[])
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquareTestDataSetsComparison(long[], long[])
      *
      * @since 1.2
      */
@@ -325,7 +325,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.ChiSquareTest#chiSquareTestDataSetsComparison(long[], long[], double)
+     * @see org.apache.commons.math4.stat.inference.ChiSquareTest#chiSquareTestDataSetsComparison(long[], long[], double)
      *
      * @since 1.2
      */
@@ -338,7 +338,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.OneWayAnova#anovaFValue(Collection)
+     * @see org.apache.commons.math4.stat.inference.OneWayAnova#anovaFValue(Collection)
      *
      * @since 1.2
      */
@@ -348,7 +348,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.OneWayAnova#anovaPValue(Collection)
+     * @see org.apache.commons.math4.stat.inference.OneWayAnova#anovaPValue(Collection)
      *
      * @since 1.2
      */
@@ -359,7 +359,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.OneWayAnova#anovaTest(Collection,double)
+     * @see org.apache.commons.math4.stat.inference.OneWayAnova#anovaTest(Collection,double)
      *
      * @since 1.2
      */
@@ -371,7 +371,7 @@ public class TestUtils  {
     }
 
      /**
-     * @see org.apache.commons.math3.stat.inference.GTest#g(double[], long[])
+     * @see org.apache.commons.math4.stat.inference.GTest#g(double[], long[])
      * @since 3.1
      */
     public static double g(final double[] expected, final long[] observed)
@@ -381,7 +381,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.GTest#gTest( double[],  long[] )
+     * @see org.apache.commons.math4.stat.inference.GTest#gTest( double[],  long[] )
      * @since 3.1
      */
     public static double gTest(final double[] expected, final long[] observed)
@@ -391,7 +391,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.GTest#gTestIntrinsic(double[], long[] )
+     * @see org.apache.commons.math4.stat.inference.GTest#gTestIntrinsic(double[], long[] )
      * @since 3.1
      */
     public static double gTestIntrinsic(final double[] expected, final long[] observed)
@@ -401,7 +401,7 @@ public class TestUtils  {
     }
 
      /**
-     * @see org.apache.commons.math3.stat.inference.GTest#gTest( double[],long[],double)
+     * @see org.apache.commons.math4.stat.inference.GTest#gTest( double[],long[],double)
      * @since 3.1
      */
     public static boolean gTest(final double[] expected, final long[] observed,
@@ -412,7 +412,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.GTest#gDataSetsComparison(long[], long[])
+     * @see org.apache.commons.math4.stat.inference.GTest#gDataSetsComparison(long[], long[])
      * @since 3.1
      */
     public static double gDataSetsComparison(final long[] observed1,
@@ -422,7 +422,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.GTest#rootLogLikelihoodRatio(long, long, long, long)
+     * @see org.apache.commons.math4.stat.inference.GTest#rootLogLikelihoodRatio(long, long, long, long)
      * @since 3.1
      */
     public static double rootLogLikelihoodRatio(final long k11, final long k12, final long k21, final long k22)
@@ -432,7 +432,7 @@ public class TestUtils  {
 
 
     /**
-     * @see org.apache.commons.math3.stat.inference.GTest#gTestDataSetsComparison(long[], long[])
+     * @see org.apache.commons.math4.stat.inference.GTest#gTestDataSetsComparison(long[], long[])
      * @since 3.1
      */
     public static double gTestDataSetsComparison(final long[] observed1,
@@ -443,7 +443,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.GTest#gTestDataSetsComparison(long[],long[],double)
+     * @see org.apache.commons.math4.stat.inference.GTest#gTestDataSetsComparison(long[],long[],double)
      * @since 3.1
      */
     public static boolean gTestDataSetsComparison(final long[] observed1,
@@ -455,7 +455,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovStatistic(RealDistribution, double[])
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovStatistic(RealDistribution, double[])
      * @since 3.3
      */
     public static double kolmogorovSmirnovStatistic(RealDistribution dist, double[] data)
@@ -464,7 +464,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(RealDistribution, double[])
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(RealDistribution, double[])
      * @since 3.3
      */
     public static double kolmogorovSmirnovTest(RealDistribution dist, double[] data)
@@ -473,7 +473,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(RealDistribution, double[], boolean)
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(RealDistribution, double[], boolean)
      * @since 3.3
      */
     public static double kolmogorovSmirnovTest(RealDistribution dist, double[] data, boolean strict)
@@ -482,7 +482,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(RealDistribution, double[], double)
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(RealDistribution, double[], double)
      * @since 3.3
      */
     public static boolean kolmogorovSmirnovTest(RealDistribution dist, double[] data, double alpha)
@@ -491,7 +491,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovStatistic(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovStatistic(double[], double[])
      * @since 3.3
      */
     public static double kolmogorovSmirnovStatistic(double[] x, double[] y)
@@ -500,7 +500,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(double[], double[])
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(double[], double[])
      * @since 3.3
      */
     public static double kolmogorovSmirnovTest(double[] x, double[] y)
@@ -509,7 +509,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(double[], double[], boolean)
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#kolmogorovSmirnovTest(double[], double[], boolean)
      * @since 3.3
      */
     public static double kolmogorovSmirnovTest(double[] x, double[] y, boolean strict)
@@ -518,7 +518,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#exactP(double, int, int, boolean)
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#exactP(double, int, int, boolean)
      * @since 3.3
      */
     public static double exactP(double d, int m, int n, boolean strict) {
@@ -526,7 +526,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#approximateP(double, int, int)
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#approximateP(double, int, int)
      * @since 3.3
      */
     public static double approximateP(double d, int n, int m) {
@@ -534,7 +534,7 @@ public class TestUtils  {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest#monteCarloP(double, int, int, boolean, int)
+     * @see org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest#monteCarloP(double, int, int, boolean, int)
      * @since 3.3
      */
     public static double monteCarloP(double d, int n, int m, boolean strict, int iterations) {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTest.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTest.java b/src/main/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTest.java
index bd4d7e2..2bd303c 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTest.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTest.java
@@ -14,19 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
-
-import org.apache.commons.math3.distribution.NormalDistribution;
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.stat.ranking.NaNStrategy;
-import org.apache.commons.math3.stat.ranking.NaturalRanking;
-import org.apache.commons.math3.stat.ranking.TiesStrategy;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.stat.inference;
+
+import org.apache.commons.math4.distribution.NormalDistribution;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.stat.ranking.NaNStrategy;
+import org.apache.commons.math4.stat.ranking.NaturalRanking;
+import org.apache.commons.math4.stat.ranking.TiesStrategy;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * An implementation of the Wilcoxon signed-rank test.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/stat/inference/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/stat/inference/package-info.java b/src/main/java/org/apache/commons/math4/stat/inference/package-info.java
index a36a080..ed7b486 100644
--- a/src/main/java/org/apache/commons/math4/stat/inference/package-info.java
+++ b/src/main/java/org/apache/commons/math4/stat/inference/package-info.java
@@ -19,4 +19,4 @@
  *      Classes providing hypothesis testing.
  *
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;