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Posted to commits@spark.apache.org by sr...@apache.org on 2018/02/28 18:49:50 UTC
[44/51] [partial] spark-website git commit: Apache Spark 2.3.0
Release: Generated Docs
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/dropTempView.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Drops the temporary view with the given view name in the...</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for dropTempView {SparkR}"><tr><td>dropTempView {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Drops the temporary view with the given view name in the catalog.</h2>
+
+<h3>Description</h3>
+
+<p>Drops the temporary view with the given view name in the catalog.
+If the view has been cached before, then it will also be uncached.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+dropTempView(viewName)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>viewName</code></td>
+<td>
+<p>the name of the temporary view to be dropped.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p>TRUE if the view is dropped successfully, FALSE otherwise.
+</p>
+
+
+<h3>Note</h3>
+
+<p>since 2.0.0
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D df <- read.df(path, "parquet")
+##D createOrReplaceTempView(df, "table")
+##D dropTempView("table")
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/dtypes.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: DataTypes</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for dtypes {SparkR}"><tr><td>dtypes {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>DataTypes</h2>
+
+<h3>Description</h3>
+
+<p>Return all column names and their data types as a list
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+dtypes(x)
+
+## S4 method for signature 'SparkDataFrame'
+dtypes(x)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>A SparkDataFrame</p>
+</td></tr>
+</table>
+
+
+<h3>Note</h3>
+
+<p>dtypes since 1.4.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="except.html">except</a></code>, <code><a href="explain.html">explain</a></code>,
+<code><a href="filter.html">filter</a></code>, <code><a href="first.html">first</a></code>,
+<code><a href="gapplyCollect.html">gapplyCollect</a></code>, <code><a href="gapply.html">gapply</a></code>,
+<code><a href="getNumPartitions.html">getNumPartitions</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D path <- "path/to/file.json"
+##D df <- read.json(path)
+##D dtypes(df)
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/endsWith.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: endsWith</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+</head><body>
+
+<table width="100%" summary="page for endsWith {SparkR}"><tr><td>endsWith {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>endsWith</h2>
+
+<h3>Description</h3>
+
+<p>Determines if entries of x end with string (entries of) suffix respectively,
+where strings are recycled to common lengths.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+endsWith(x, suffix)
+
+## S4 method for signature 'Column'
+endsWith(x, suffix)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>vector of character string whose "ends" are considered</p>
+</td></tr>
+<tr valign="top"><td><code>suffix</code></td>
+<td>
+<p>character vector (often of length one)</p>
+</td></tr>
+</table>
+
+
+<h3>Note</h3>
+
+<p>endsWith since 1.4.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other colum_func: <code><a href="alias.html">alias</a></code>,
+<code><a href="between.html">between</a></code>, <code><a href="cast.html">cast</a></code>,
+<code><a href="otherwise.html">otherwise</a></code>, <code><a href="over.html">over</a></code>,
+<code><a href="startsWith.html">startsWith</a></code>, <code><a href="substr.html">substr</a></code>
+</p>
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/eq_null_safe.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: %<=>%</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for %&lt;=&gt;% {SparkR}"><tr><td>%<=>% {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>%<=>%</h2>
+
+<h3>Description</h3>
+
+<p>Equality test that is safe for null values.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+x %<=>% value
+
+## S4 method for signature 'Column'
+x %<=>% value
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>a Column</p>
+</td></tr>
+<tr valign="top"><td><code>value</code></td>
+<td>
+<p>a value to compare</p>
+</td></tr>
+</table>
+
+
+<h3>Details</h3>
+
+<p>Can be used, unlike standard equality operator, to perform null-safe joins.
+Equivalent to Scala <code>Column.<=></code> and <code>Column.eqNullSafe</code>.
+</p>
+
+
+<h3>Note</h3>
+
+<p>%<=>% since 2.3.0
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D df1 <- createDataFrame(data.frame(
+##D x = c(1, NA, 3, NA), y = c(2, 6, 3, NA)
+##D ))
+##D
+##D head(select(df1, df1$x == df1$y, df1$x %<=>% df1$y))
+##D
+##D df2 <- createDataFrame(data.frame(y = c(3, NA)))
+##D count(join(df1, df2, df1$y == df2$y))
+##D
+##D count(join(df1, df2, df1$y %<=>% df2$y))
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/except.html
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diff --git a/site/docs/2.3.0/api/R/except.html b/site/docs/2.3.0/api/R/except.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: except</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for except {SparkR}"><tr><td>except {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>except</h2>
+
+<h3>Description</h3>
+
+<p>Return a new SparkDataFrame containing rows in this SparkDataFrame
+but not in another SparkDataFrame. This is equivalent to <code>EXCEPT DISTINCT</code> in SQL.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+except(x, y)
+
+## S4 method for signature 'SparkDataFrame,SparkDataFrame'
+except(x, y)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>a SparkDataFrame.</p>
+</td></tr>
+<tr valign="top"><td><code>y</code></td>
+<td>
+<p>a SparkDataFrame.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p>A SparkDataFrame containing the result of the except operation.
+</p>
+
+
+<h3>Note</h3>
+
+<p>except since 1.4.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="explain.html">explain</a></code>,
+<code><a href="filter.html">filter</a></code>, <code><a href="first.html">first</a></code>,
+<code><a href="gapplyCollect.html">gapplyCollect</a></code>, <code><a href="gapply.html">gapply</a></code>,
+<code><a href="getNumPartitions.html">getNumPartitions</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D df1 <- read.json(path)
+##D df2 <- read.json(path2)
+##D exceptDF <- except(df, df2)
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/explain.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Explain</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for explain {SparkR}"><tr><td>explain {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Explain</h2>
+
+<h3>Description</h3>
+
+<p>Print the logical and physical Catalyst plans to the console for debugging.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+explain(x, ...)
+
+## S4 method for signature 'SparkDataFrame'
+explain(x, extended = FALSE)
+
+## S4 method for signature 'StreamingQuery'
+explain(x, extended = FALSE)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>a SparkDataFrame or a StreamingQuery.</p>
+</td></tr>
+<tr valign="top"><td><code>...</code></td>
+<td>
+<p>further arguments to be passed to or from other methods.</p>
+</td></tr>
+<tr valign="top"><td><code>extended</code></td>
+<td>
+<p>Logical. If extended is FALSE, prints only the physical plan.</p>
+</td></tr>
+</table>
+
+
+<h3>Note</h3>
+
+<p>explain since 1.4.0
+</p>
+<p>explain(StreamingQuery) since 2.2.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="except.html">except</a></code>,
+<code><a href="filter.html">filter</a></code>, <code><a href="first.html">first</a></code>,
+<code><a href="gapplyCollect.html">gapplyCollect</a></code>, <code><a href="gapply.html">gapply</a></code>,
+<code><a href="getNumPartitions.html">getNumPartitions</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+<p>Other StreamingQuery methods: <code><a href="awaitTermination.html">awaitTermination</a></code>,
+<code><a href="isActive.html">isActive</a></code>, <code><a href="lastProgress.html">lastProgress</a></code>,
+<code><a href="queryName.html">queryName</a></code>, <code><a href="status.html">status</a></code>,
+<code><a href="stopQuery.html">stopQuery</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D path <- "path/to/file.json"
+##D df <- read.json(path)
+##D explain(df, TRUE)
+## End(Not run)
+## Not run: explain(sq)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/filter.html
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diff --git a/site/docs/2.3.0/api/R/filter.html b/site/docs/2.3.0/api/R/filter.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Filter</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for filter {SparkR}"><tr><td>filter {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Filter</h2>
+
+<h3>Description</h3>
+
+<p>Filter the rows of a SparkDataFrame according to a given condition.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+filter(x, condition)
+
+where(x, condition)
+
+## S4 method for signature 'SparkDataFrame,characterOrColumn'
+filter(x, condition)
+
+## S4 method for signature 'SparkDataFrame,characterOrColumn'
+where(x, condition)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>A SparkDataFrame to be sorted.</p>
+</td></tr>
+<tr valign="top"><td><code>condition</code></td>
+<td>
+<p>The condition to filter on. This may either be a Column expression
+or a string containing a SQL statement</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p>A SparkDataFrame containing only the rows that meet the condition.
+</p>
+
+
+<h3>Note</h3>
+
+<p>filter since 1.4.0
+</p>
+<p>where since 1.4.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="except.html">except</a></code>,
+<code><a href="explain.html">explain</a></code>, <code><a href="first.html">first</a></code>,
+<code><a href="gapplyCollect.html">gapplyCollect</a></code>, <code><a href="gapply.html">gapply</a></code>,
+<code><a href="getNumPartitions.html">getNumPartitions</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+<p>Other subsetting functions: <code><a href="select.html">select</a></code>,
+<code><a href="subset.html">subset</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D path <- "path/to/file.json"
+##D df <- read.json(path)
+##D filter(df, "col1 > 0")
+##D filter(df, df$col2 != "abcdefg")
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/first.html
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diff --git a/site/docs/2.3.0/api/R/first.html b/site/docs/2.3.0/api/R/first.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Return the first row of a SparkDataFrame</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for first {SparkR}"><tr><td>first {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Return the first row of a SparkDataFrame</h2>
+
+<h3>Description</h3>
+
+<p>Return the first row of a SparkDataFrame
+</p>
+<p>Aggregate function: returns the first value in a group.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+first(x, ...)
+
+## S4 method for signature 'SparkDataFrame'
+first(x)
+
+## S4 method for signature 'characterOrColumn'
+first(x, na.rm = FALSE)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>a SparkDataFrame or a column used in aggregation function.</p>
+</td></tr>
+<tr valign="top"><td><code>...</code></td>
+<td>
+<p>further arguments to be passed to or from other methods.</p>
+</td></tr>
+<tr valign="top"><td><code>na.rm</code></td>
+<td>
+<p>a logical value indicating whether NA values should be stripped
+before the computation proceeds.</p>
+</td></tr>
+</table>
+
+
+<h3>Details</h3>
+
+<p>The function by default returns the first values it sees. It will return the first non-missing
+value it sees when na.rm is set to true. If all values are missing, then NA is returned.
+</p>
+
+
+<h3>Note</h3>
+
+<p>first(SparkDataFrame) since 1.4.0
+</p>
+<p>first(characterOrColumn) since 1.4.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="except.html">except</a></code>,
+<code><a href="explain.html">explain</a></code>, <code><a href="filter.html">filter</a></code>,
+<code><a href="gapplyCollect.html">gapplyCollect</a></code>, <code><a href="gapply.html">gapply</a></code>,
+<code><a href="getNumPartitions.html">getNumPartitions</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+<p>Other aggregate functions: <code><a href="avg.html">avg</a></code>,
+<code><a href="column_aggregate_functions.html">column_aggregate_functions</a></code>,
+<code><a href="corr.html">corr</a></code>, <code><a href="count.html">count</a></code>,
+<code><a href="cov.html">cov</a></code>, <code><a href="last.html">last</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D path <- "path/to/file.json"
+##D df <- read.json(path)
+##D first(df)
+## End(Not run)
+## Not run:
+##D first(df$c)
+##D first(df$c, TRUE)
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/fitted.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Get fitted result from a k-means model</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for fitted {SparkR}"><tr><td>fitted {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Get fitted result from a k-means model</h2>
+
+<h3>Description</h3>
+
+<p>Get fitted result from a k-means model, similarly to R's fitted().
+Note: A saved-loaded model does not support this method.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+fitted(object, ...)
+
+## S4 method for signature 'KMeansModel'
+fitted(object, method = c("centers", "classes"))
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>object</code></td>
+<td>
+<p>a fitted k-means model.</p>
+</td></tr>
+<tr valign="top"><td><code>...</code></td>
+<td>
+<p>additional argument(s) passed to the method.</p>
+</td></tr>
+<tr valign="top"><td><code>method</code></td>
+<td>
+<p>type of fitted results, <code>"centers"</code> for cluster centers
+or <code>"classes"</code> for assigned classes.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p><code>fitted</code> returns a SparkDataFrame containing fitted values.
+</p>
+
+
+<h3>Note</h3>
+
+<p>fitted since 2.0.0
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D model <- spark.kmeans(trainingData, ~ ., 2)
+##D fitted.model <- fitted(model)
+##D showDF(fitted.model)
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/freqItems.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Finding frequent items for columns, possibly with false...</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for freqItems {SparkR}"><tr><td>freqItems {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Finding frequent items for columns, possibly with false positives</h2>
+
+<h3>Description</h3>
+
+<p>Finding frequent items for columns, possibly with false positives.
+Using the frequent element count algorithm described in
+<a href="http://dx.doi.org/10.1145/762471.762473">http://dx.doi.org/10.1145/762471.762473</a>, proposed by Karp, Schenker, and Papadimitriou.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+## S4 method for signature 'SparkDataFrame,character'
+freqItems(x, cols, support = 0.01)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>A SparkDataFrame.</p>
+</td></tr>
+<tr valign="top"><td><code>cols</code></td>
+<td>
+<p>A vector column names to search frequent items in.</p>
+</td></tr>
+<tr valign="top"><td><code>support</code></td>
+<td>
+<p>(Optional) The minimum frequency for an item to be considered <code>frequent</code>.
+Should be greater than 1e-4. Default support = 0.01.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p>a local R data.frame with the frequent items in each column
+</p>
+
+
+<h3>Note</h3>
+
+<p>freqItems since 1.6.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other stat functions: <code><a href="approxQuantile.html">approxQuantile</a></code>,
+<code><a href="corr.html">corr</a></code>, <code><a href="cov.html">cov</a></code>,
+<code><a href="crosstab.html">crosstab</a></code>, <code><a href="sampleBy.html">sampleBy</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D df <- read.json("/path/to/file.json")
+##D fi = freqItems(df, c("title", "gender"))
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/gapply.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: gapply</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for gapply {SparkR}"><tr><td>gapply {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>gapply</h2>
+
+<h3>Description</h3>
+
+<p>gapply
+</p>
+<p>Groups the SparkDataFrame using the specified columns and applies the R function to each
+group.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+gapply(x, ...)
+
+## S4 method for signature 'GroupedData'
+gapply(x, func, schema)
+
+## S4 method for signature 'SparkDataFrame'
+gapply(x, cols, func, schema)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>a SparkDataFrame or GroupedData.</p>
+</td></tr>
+<tr valign="top"><td><code>...</code></td>
+<td>
+<p>additional argument(s) passed to the method.</p>
+</td></tr>
+<tr valign="top"><td><code>func</code></td>
+<td>
+<p>a function to be applied to each group partition specified by grouping
+column of the SparkDataFrame. The function <code>func</code> takes as argument
+a key - grouping columns and a data frame - a local R data.frame.
+The output of <code>func</code> is a local R data.frame.</p>
+</td></tr>
+<tr valign="top"><td><code>schema</code></td>
+<td>
+<p>the schema of the resulting SparkDataFrame after the function is applied.
+The schema must match to output of <code>func</code>. It has to be defined for each
+output column with preferred output column name and corresponding data type.
+Since Spark 2.3, the DDL-formatted string is also supported for the schema.</p>
+</td></tr>
+<tr valign="top"><td><code>cols</code></td>
+<td>
+<p>grouping columns.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p>A SparkDataFrame.
+</p>
+
+
+<h3>Note</h3>
+
+<p>gapply(GroupedData) since 2.0.0
+</p>
+<p>gapply(SparkDataFrame) since 2.0.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p><a href="gapplyCollect.html">gapplyCollect</a>
+</p>
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="except.html">except</a></code>,
+<code><a href="explain.html">explain</a></code>, <code><a href="filter.html">filter</a></code>,
+<code><a href="first.html">first</a></code>, <code><a href="gapplyCollect.html">gapplyCollect</a></code>,
+<code><a href="getNumPartitions.html">getNumPartitions</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D Computes the arithmetic mean of the second column by grouping
+##D on the first and third columns. Output the grouping values and the average.
+##D
+##D df <- createDataFrame (
+##D list(list(1L, 1, "1", 0.1), list(1L, 2, "1", 0.2), list(3L, 3, "3", 0.3)),
+##D c("a", "b", "c", "d"))
+##D
+##D Here our output contains three columns, the key which is a combination of two
+##D columns with data types integer and string and the mean which is a double.
+##D schema <- structType(structField("a", "integer"), structField("c", "string"),
+##D structField("avg", "double"))
+##D result <- gapply(
+##D df,
+##D c("a", "c"),
+##D function(key, x) {
+##D y <- data.frame(key, mean(x$b), stringsAsFactors = FALSE)
+##D }, schema)
+##D
+##D The schema also can be specified in a DDL-formatted string.
+##D schema <- "a INT, c STRING, avg DOUBLE"
+##D result <- gapply(
+##D df,
+##D c("a", "c"),
+##D function(key, x) {
+##D y <- data.frame(key, mean(x$b), stringsAsFactors = FALSE)
+##D }, schema)
+##D
+##D We can also group the data and afterwards call gapply on GroupedData.
+##D For Example:
+##D gdf <- group_by(df, "a", "c")
+##D result <- gapply(
+##D gdf,
+##D function(key, x) {
+##D y <- data.frame(key, mean(x$b), stringsAsFactors = FALSE)
+##D }, schema)
+##D collect(result)
+##D
+##D Result
+##D ------
+##D a c avg
+##D 3 3 3.0
+##D 1 1 1.5
+##D
+##D Fits linear models on iris dataset by grouping on the 'Species' column and
+##D using 'Sepal_Length' as a target variable, 'Sepal_Width', 'Petal_Length'
+##D and 'Petal_Width' as training features.
+##D
+##D df <- createDataFrame (iris)
+##D schema <- structType(structField("(Intercept)", "double"),
+##D structField("Sepal_Width", "double"),structField("Petal_Length", "double"),
+##D structField("Petal_Width", "double"))
+##D df1 <- gapply(
+##D df,
+##D df$"Species",
+##D function(key, x) {
+##D m <- suppressWarnings(lm(Sepal_Length ~
+##D Sepal_Width + Petal_Length + Petal_Width, x))
+##D data.frame(t(coef(m)))
+##D }, schema)
+##D collect(df1)
+##D
+##D Result
+##D ---------
+##D Model (Intercept) Sepal_Width Petal_Length Petal_Width
+##D 1 0.699883 0.3303370 0.9455356 -0.1697527
+##D 2 1.895540 0.3868576 0.9083370 -0.6792238
+##D 3 2.351890 0.6548350 0.2375602 0.2521257
+##D
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/gapplyCollect.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: gapplyCollect</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for gapplyCollect {SparkR}"><tr><td>gapplyCollect {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>gapplyCollect</h2>
+
+<h3>Description</h3>
+
+<p>gapplyCollect
+</p>
+<p>Groups the SparkDataFrame using the specified columns, applies the R function to each
+group and collects the result back to R as data.frame.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+gapplyCollect(x, ...)
+
+## S4 method for signature 'GroupedData'
+gapplyCollect(x, func)
+
+## S4 method for signature 'SparkDataFrame'
+gapplyCollect(x, cols, func)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>a SparkDataFrame or GroupedData.</p>
+</td></tr>
+<tr valign="top"><td><code>...</code></td>
+<td>
+<p>additional argument(s) passed to the method.</p>
+</td></tr>
+<tr valign="top"><td><code>func</code></td>
+<td>
+<p>a function to be applied to each group partition specified by grouping
+column of the SparkDataFrame. The function <code>func</code> takes as argument
+a key - grouping columns and a data frame - a local R data.frame.
+The output of <code>func</code> is a local R data.frame.</p>
+</td></tr>
+<tr valign="top"><td><code>cols</code></td>
+<td>
+<p>grouping columns.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p>A data.frame.
+</p>
+
+
+<h3>Note</h3>
+
+<p>gapplyCollect(GroupedData) since 2.0.0
+</p>
+<p>gapplyCollect(SparkDataFrame) since 2.0.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p><a href="gapply.html">gapply</a>
+</p>
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="except.html">except</a></code>,
+<code><a href="explain.html">explain</a></code>, <code><a href="filter.html">filter</a></code>,
+<code><a href="first.html">first</a></code>, <code><a href="gapply.html">gapply</a></code>,
+<code><a href="getNumPartitions.html">getNumPartitions</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D Computes the arithmetic mean of the second column by grouping
+##D on the first and third columns. Output the grouping values and the average.
+##D
+##D df <- createDataFrame (
+##D list(list(1L, 1, "1", 0.1), list(1L, 2, "1", 0.2), list(3L, 3, "3", 0.3)),
+##D c("a", "b", "c", "d"))
+##D
+##D result <- gapplyCollect(
+##D df,
+##D c("a", "c"),
+##D function(key, x) {
+##D y <- data.frame(key, mean(x$b), stringsAsFactors = FALSE)
+##D colnames(y) <- c("key_a", "key_c", "mean_b")
+##D y
+##D })
+##D
+##D We can also group the data and afterwards call gapply on GroupedData.
+##D For Example:
+##D gdf <- group_by(df, "a", "c")
+##D result <- gapplyCollect(
+##D gdf,
+##D function(key, x) {
+##D y <- data.frame(key, mean(x$b), stringsAsFactors = FALSE)
+##D colnames(y) <- c("key_a", "key_c", "mean_b")
+##D y
+##D })
+##D
+##D Result
+##D ------
+##D key_a key_c mean_b
+##D 3 3 3.0
+##D 1 1 1.5
+##D
+##D Fits linear models on iris dataset by grouping on the 'Species' column and
+##D using 'Sepal_Length' as a target variable, 'Sepal_Width', 'Petal_Length'
+##D and 'Petal_Width' as training features.
+##D
+##D df <- createDataFrame (iris)
+##D result <- gapplyCollect(
+##D df,
+##D df$"Species",
+##D function(key, x) {
+##D m <- suppressWarnings(lm(Sepal_Length ~
+##D Sepal_Width + Petal_Length + Petal_Width, x))
+##D data.frame(t(coef(m)))
+##D })
+##D
+##D Result
+##D ---------
+##D Model X.Intercept. Sepal_Width Petal_Length Petal_Width
+##D 1 0.699883 0.3303370 0.9455356 -0.1697527
+##D 2 1.895540 0.3868576 0.9083370 -0.6792238
+##D 3 2.351890 0.6548350 0.2375602 0.2521257
+##D
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/getLocalProperty.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Get a local property set in this thread, or 'NULL' if it is...</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for getLocalProperty {SparkR}"><tr><td>getLocalProperty {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Get a local property set in this thread, or <code>NULL</code> if it is missing. See
+<code>setLocalProperty</code>.</h2>
+
+<h3>Description</h3>
+
+<p>Get a local property set in this thread, or <code>NULL</code> if it is missing. See
+<code>setLocalProperty</code>.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+getLocalProperty(key)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>key</code></td>
+<td>
+<p>The key for a local property.</p>
+</td></tr>
+</table>
+
+
+<h3>Note</h3>
+
+<p>getLocalProperty since 2.3.0
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D getLocalProperty("spark.scheduler.pool")
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/getNumPartitions.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: getNumPartitions</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for getNumPartitions {SparkR}"><tr><td>getNumPartitions {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>getNumPartitions</h2>
+
+<h3>Description</h3>
+
+<p>Return the number of partitions
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+## S4 method for signature 'SparkDataFrame'
+getNumPartitions(x)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>A SparkDataFrame</p>
+</td></tr>
+</table>
+
+
+<h3>Note</h3>
+
+<p>getNumPartitions since 2.1.1
+</p>
+
+
+<h3>See Also</h3>
+
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="except.html">except</a></code>,
+<code><a href="explain.html">explain</a></code>, <code><a href="filter.html">filter</a></code>,
+<code><a href="first.html">first</a></code>, <code><a href="gapplyCollect.html">gapplyCollect</a></code>,
+<code><a href="gapply.html">gapply</a></code>, <code><a href="groupBy.html">group_by</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D df <- createDataFrame(cars, numPartitions = 2)
+##D getNumPartitions(df)
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/glm.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Generalized Linear Models (R-compliant)</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for glm,formula,ANY,SparkDataFrame-method {SparkR}"><tr><td>glm,formula,ANY,SparkDataFrame-method {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Generalized Linear Models (R-compliant)</h2>
+
+<h3>Description</h3>
+
+<p>Fits a generalized linear model, similarly to R's glm().
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+## S4 method for signature 'formula,ANY,SparkDataFrame'
+glm(formula, family = gaussian, data,
+ epsilon = 1e-06, maxit = 25, weightCol = NULL, var.power = 0,
+ link.power = 1 - var.power, stringIndexerOrderType = c("frequencyDesc",
+ "frequencyAsc", "alphabetDesc", "alphabetAsc"), offsetCol = NULL)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>formula</code></td>
+<td>
+<p>a symbolic description of the model to be fitted. Currently only a few formula
+operators are supported, including '~', '.', ':', '+', and '-'.</p>
+</td></tr>
+<tr valign="top"><td><code>family</code></td>
+<td>
+<p>a description of the error distribution and link function to be used in the model.
+This can be a character string naming a family function, a family function or
+the result of a call to a family function. Refer R family at
+<a href="https://stat.ethz.ch/R-manual/R-devel/library/stats/html/family.html">https://stat.ethz.ch/R-manual/R-devel/library/stats/html/family.html</a>.
+Currently these families are supported: <code>binomial</code>, <code>gaussian</code>,
+<code>poisson</code>, <code>Gamma</code>, and <code>tweedie</code>.</p>
+</td></tr>
+<tr valign="top"><td><code>data</code></td>
+<td>
+<p>a SparkDataFrame or R's glm data for training.</p>
+</td></tr>
+<tr valign="top"><td><code>epsilon</code></td>
+<td>
+<p>positive convergence tolerance of iterations.</p>
+</td></tr>
+<tr valign="top"><td><code>maxit</code></td>
+<td>
+<p>integer giving the maximal number of IRLS iterations.</p>
+</td></tr>
+<tr valign="top"><td><code>weightCol</code></td>
+<td>
+<p>the weight column name. If this is not set or <code>NULL</code>, we treat all instance
+weights as 1.0.</p>
+</td></tr>
+<tr valign="top"><td><code>var.power</code></td>
+<td>
+<p>the index of the power variance function in the Tweedie family.</p>
+</td></tr>
+<tr valign="top"><td><code>link.power</code></td>
+<td>
+<p>the index of the power link function in the Tweedie family.</p>
+</td></tr>
+<tr valign="top"><td><code>stringIndexerOrderType</code></td>
+<td>
+<p>how to order categories of a string feature column. This is used to
+decide the base level of a string feature as the last category
+after ordering is dropped when encoding strings. Supported options
+are "frequencyDesc", "frequencyAsc", "alphabetDesc", and
+"alphabetAsc". The default value is "frequencyDesc". When the
+ordering is set to "alphabetDesc", this drops the same category
+as R when encoding strings.</p>
+</td></tr>
+<tr valign="top"><td><code>offsetCol</code></td>
+<td>
+<p>the offset column name. If this is not set or empty, we treat all instance
+offsets as 0.0. The feature specified as offset has a constant coefficient of
+1.0.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p><code>glm</code> returns a fitted generalized linear model.
+</p>
+
+
+<h3>Note</h3>
+
+<p>glm since 1.5.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p><a href="spark.glm.html">spark.glm</a>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D sparkR.session()
+##D t <- as.data.frame(Titanic)
+##D df <- createDataFrame(t)
+##D model <- glm(Freq ~ Sex + Age, df, family = "gaussian")
+##D summary(model)
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/R/groupBy.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: GroupBy</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for group_by {SparkR}"><tr><td>group_by {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>GroupBy</h2>
+
+<h3>Description</h3>
+
+<p>Groups the SparkDataFrame using the specified columns, so we can run aggregation on them.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+group_by(x, ...)
+
+groupBy(x, ...)
+
+## S4 method for signature 'SparkDataFrame'
+groupBy(x, ...)
+
+## S4 method for signature 'SparkDataFrame'
+group_by(x, ...)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>x</code></td>
+<td>
+<p>a SparkDataFrame.</p>
+</td></tr>
+<tr valign="top"><td><code>...</code></td>
+<td>
+<p>character name(s) or Column(s) to group on.</p>
+</td></tr>
+</table>
+
+
+<h3>Value</h3>
+
+<p>A GroupedData.
+</p>
+
+
+<h3>Note</h3>
+
+<p>groupBy since 1.4.0
+</p>
+<p>group_by since 1.4.0
+</p>
+
+
+<h3>See Also</h3>
+
+<p><a href="summarize.html">agg</a>, <a href="cube.html">cube</a>, <a href="rollup.html">rollup</a>
+</p>
+<p>Other SparkDataFrame functions: <code><a href="SparkDataFrame.html">SparkDataFrame-class</a></code>,
+<code><a href="summarize.html">agg</a></code>, <code><a href="alias.html">alias</a></code>,
+<code><a href="arrange.html">arrange</a></code>, <code><a href="as.data.frame.html">as.data.frame</a></code>,
+<code><a href="attach.html">attach,SparkDataFrame-method</a></code>,
+<code><a href="broadcast.html">broadcast</a></code>, <code><a href="cache.html">cache</a></code>,
+<code><a href="checkpoint.html">checkpoint</a></code>, <code><a href="coalesce.html">coalesce</a></code>,
+<code><a href="collect.html">collect</a></code>, <code><a href="columns.html">colnames</a></code>,
+<code><a href="coltypes.html">coltypes</a></code>,
+<code><a href="createOrReplaceTempView.html">createOrReplaceTempView</a></code>,
+<code><a href="crossJoin.html">crossJoin</a></code>, <code><a href="cube.html">cube</a></code>,
+<code><a href="dapplyCollect.html">dapplyCollect</a></code>, <code><a href="dapply.html">dapply</a></code>,
+<code><a href="describe.html">describe</a></code>, <code><a href="dim.html">dim</a></code>,
+<code><a href="distinct.html">distinct</a></code>, <code><a href="dropDuplicates.html">dropDuplicates</a></code>,
+<code><a href="nafunctions.html">dropna</a></code>, <code><a href="drop.html">drop</a></code>,
+<code><a href="dtypes.html">dtypes</a></code>, <code><a href="except.html">except</a></code>,
+<code><a href="explain.html">explain</a></code>, <code><a href="filter.html">filter</a></code>,
+<code><a href="first.html">first</a></code>, <code><a href="gapplyCollect.html">gapplyCollect</a></code>,
+<code><a href="gapply.html">gapply</a></code>, <code><a href="getNumPartitions.html">getNumPartitions</a></code>,
+<code><a href="head.html">head</a></code>, <code><a href="hint.html">hint</a></code>,
+<code><a href="histogram.html">histogram</a></code>, <code><a href="insertInto.html">insertInto</a></code>,
+<code><a href="intersect.html">intersect</a></code>, <code><a href="isLocal.html">isLocal</a></code>,
+<code><a href="isStreaming.html">isStreaming</a></code>, <code><a href="join.html">join</a></code>,
+<code><a href="limit.html">limit</a></code>, <code><a href="localCheckpoint.html">localCheckpoint</a></code>,
+<code><a href="merge.html">merge</a></code>, <code><a href="mutate.html">mutate</a></code>,
+<code><a href="ncol.html">ncol</a></code>, <code><a href="nrow.html">nrow</a></code>,
+<code><a href="persist.html">persist</a></code>, <code><a href="printSchema.html">printSchema</a></code>,
+<code><a href="randomSplit.html">randomSplit</a></code>, <code><a href="rbind.html">rbind</a></code>,
+<code><a href="registerTempTable-deprecated.html">registerTempTable</a></code>, <code><a href="rename.html">rename</a></code>,
+<code><a href="repartition.html">repartition</a></code>, <code><a href="rollup.html">rollup</a></code>,
+<code><a href="sample.html">sample</a></code>, <code><a href="saveAsTable.html">saveAsTable</a></code>,
+<code><a href="schema.html">schema</a></code>, <code><a href="selectExpr.html">selectExpr</a></code>,
+<code><a href="select.html">select</a></code>, <code><a href="showDF.html">showDF</a></code>,
+<code><a href="show.html">show</a></code>, <code><a href="storageLevel.html">storageLevel</a></code>,
+<code><a href="str.html">str</a></code>, <code><a href="subset.html">subset</a></code>,
+<code><a href="summary.html">summary</a></code>, <code><a href="take.html">take</a></code>,
+<code><a href="toJSON.html">toJSON</a></code>, <code><a href="unionByName.html">unionByName</a></code>,
+<code><a href="union.html">union</a></code>, <code><a href="unpersist.html">unpersist</a></code>,
+<code><a href="withColumn.html">withColumn</a></code>, <code><a href="withWatermark.html">withWatermark</a></code>,
+<code><a href="with.html">with</a></code>, <code><a href="write.df.html">write.df</a></code>,
+<code><a href="write.jdbc.html">write.jdbc</a></code>, <code><a href="write.json.html">write.json</a></code>,
+<code><a href="write.orc.html">write.orc</a></code>, <code><a href="write.parquet.html">write.parquet</a></code>,
+<code><a href="write.stream.html">write.stream</a></code>, <code><a href="write.text.html">write.text</a></code>
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D # Compute the average for all numeric columns grouped by department.
+##D avg(groupBy(df, "department"))
+##D
+##D # Compute the max age and average salary, grouped by department and gender.
+##D agg(groupBy(df, "department", "gender"), salary="avg", "age" -> "max")
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Compute the hashCode of an object</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<link rel="stylesheet" type="text/css" href="R.css" />
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/styles/github.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/languages/r.min.js"></script>
+<script>hljs.initHighlightingOnLoad();</script>
+</head><body>
+
+<table width="100%" summary="page for hashCode {SparkR}"><tr><td>hashCode {SparkR}</td><td style="text-align: right;">R Documentation</td></tr></table>
+
+<h2>Compute the hashCode of an object</h2>
+
+<h3>Description</h3>
+
+<p>Java-style function to compute the hashCode for the given object. Returns
+an integer value.
+</p>
+
+
+<h3>Usage</h3>
+
+<pre>
+hashCode(key)
+</pre>
+
+
+<h3>Arguments</h3>
+
+<table summary="R argblock">
+<tr valign="top"><td><code>key</code></td>
+<td>
+<p>the object to be hashed</p>
+</td></tr>
+</table>
+
+
+<h3>Details</h3>
+
+<p>This only works for integer, numeric and character types right now.
+</p>
+
+
+<h3>Value</h3>
+
+<p>the hash code as an integer
+</p>
+
+
+<h3>Note</h3>
+
+<p>hashCode since 1.4.0
+</p>
+
+
+<h3>Examples</h3>
+
+<pre><code class="r">## Not run:
+##D hashCode(1L) # 1
+##D hashCode(1.0) # 1072693248
+##D hashCode("1") # 49
+## End(Not run)
+</code></pre>
+
+
+<hr /><div style="text-align: center;">[Package <em>SparkR</em> version 2.3.0 <a href="00Index.html">Index</a>]</div>
+</body></html>
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