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Posted to reviews@spark.apache.org by zero323 <gi...@git.apache.org> on 2017/03/13 23:01:29 UTC
[GitHub] spark pull request #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform ...
GitHub user zero323 opened a pull request:
https://github.com/apache/spark/pull/17283
[SPARK-19940][ML][MINOR] FPGrowthModel.transform should skip duplicated items
## What changes were proposed in this pull request?
This commit moved `distinct` in its intended place to avoid duplicated predictions and adds unit test covering the issue.
## How was this patch tested?
Unit tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zero323/spark SPARK-19940
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17283.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17283
----
commit 61830931e6c5f2dd6e774781d737b42329a0a52f
Author: zero323 <ze...@users.noreply.github.com>
Date: 2017-03-13T22:50:56Z
Put distinct in the right place
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74469 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74469/testReport)** for PR 17283 at commit [`1edf3fa`](https://github.com/apache/spark/commit/1edf3fa8b713fdd856f340599c762df52887dafe).
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/17283
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74519 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74519/testReport)** for PR 17283 at commit [`d292896`](https://github.com/apache/spark/commit/d2928962d63f5489325effbbbe7fac626210f206).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/17283
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[GitHub] spark pull request #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform ...
Posted by hhbyyh <gi...@git.apache.org>.
Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/17283#discussion_r105798138
--- Diff: mllib/src/test/scala/org/apache/spark/ml/fpm/FPGrowthSuite.scala ---
@@ -103,6 +103,22 @@ class FPGrowthSuite extends SparkFunSuite with MLlibTestSparkContext with Defaul
FPGrowthSuite.allParamSettings, checkModelData)
}
+ test("FPGrowth predict should skip duplicates") {
+ // This should generate the same rules for t and s
+ val dataset = spark.createDataFrame(Seq(
+ "z y x w v u t s",
+ "x z y m t s q e"
+ ).map(s => Tuple1(s.split("\\s+")))).toDF("features")
+ val model = new FPGrowth().fit(dataset)
+
+ val predictions = model.transform(
+ spark.createDataFrame(Seq((1, Array("t", "s")))).toDF("id", "features")
+ )
+
+ val prediction = predictions.first().getAs[Seq[String]]("predictions")
--- End diff --
"prediction"
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by jkbradley <gi...@git.apache.org>.
Github user jkbradley commented on the issue:
https://github.com/apache/spark/pull/17283
Thanks for fixing this issue! LGTM
Merging with master
Stating the JIRA number for a bug fix is reasonable, though it's most useful if the bug appears in an actual release.
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/17283
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/17283
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[GitHub] spark pull request #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform ...
Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/17283
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74519 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74519/testReport)** for PR 17283 at commit [`d292896`](https://github.com/apache/spark/commit/d2928962d63f5489325effbbbe7fac626210f206).
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74470 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74470/testReport)** for PR 17283 at commit [`7a44dbe`](https://github.com/apache/spark/commit/7a44dbe3531e9c645e8e13e7f3fda2c7ae0b1f55).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/17283
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/17283
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
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https://github.com/apache/spark/pull/17283
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[GitHub] spark pull request #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform ...
Posted by hhbyyh <gi...@git.apache.org>.
Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/17283#discussion_r105813424
--- Diff: mllib/src/test/scala/org/apache/spark/ml/fpm/FPGrowthSuite.scala ---
@@ -103,6 +103,22 @@ class FPGrowthSuite extends SparkFunSuite with MLlibTestSparkContext with Defaul
FPGrowthSuite.allParamSettings, checkModelData)
}
+ test("SPARK-19940 - FPGrowth prediction should not contain duplicates") {
+ // This should generate the same rules for t and s
+ val dataset = spark.createDataFrame(Seq(
+ Array("1", "3"),
+ Array("2", "3")
+ ).map(Tuple1(_))).toDF("features")
+ val model = new FPGrowth().fit(dataset)
+
+ val predictions = model.transform(
+ spark.createDataFrame(Seq(Tuple1(Array("1", "2")))).toDF("features")
+ )
+
+ val prediction = predictions.first().getAs[Seq[String]]("prediction")
--- End diff --
we can merge this line to the last statement.
```
model.transform(
...
).first().getAs[Seq[String]]("prediction")
```
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74467 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74467/testReport)** for PR 17283 at commit [`6183093`](https://github.com/apache/spark/commit/61830931e6c5f2dd6e774781d737b42329a0a52f).
* This patch **fails Spark unit tests**.
* This patch merges cleanly.
* This patch adds no public classes.
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/17283
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[GitHub] spark pull request #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform ...
Posted by hhbyyh <gi...@git.apache.org>.
Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/17283#discussion_r105798334
--- Diff: mllib/src/test/scala/org/apache/spark/ml/fpm/FPGrowthSuite.scala ---
@@ -103,6 +103,22 @@ class FPGrowthSuite extends SparkFunSuite with MLlibTestSparkContext with Defaul
FPGrowthSuite.allParamSettings, checkModelData)
}
+ test("FPGrowth predict should skip duplicates") {
--- End diff --
Maybe "FPGrowth prediction should not contain duplicates"
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74470 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74470/testReport)** for PR 17283 at commit [`7a44dbe`](https://github.com/apache/spark/commit/7a44dbe3531e9c645e8e13e7f3fda2c7ae0b1f55).
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[GitHub] spark pull request #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform ...
Posted by hhbyyh <gi...@git.apache.org>.
Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/17283#discussion_r105813550
--- Diff: mllib/src/test/scala/org/apache/spark/ml/fpm/FPGrowthSuite.scala ---
@@ -103,6 +103,22 @@ class FPGrowthSuite extends SparkFunSuite with MLlibTestSparkContext with Defaul
FPGrowthSuite.allParamSettings, checkModelData)
}
+ test("SPARK-19940 - FPGrowth prediction should not contain duplicates") {
--- End diff --
This may be a violation of style. Not sure if we need the jira id here as this is self-explanatory.
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[GitHub] spark pull request #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform ...
Posted by hhbyyh <gi...@git.apache.org>.
Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/17283#discussion_r105813634
--- Diff: mllib/src/test/scala/org/apache/spark/ml/fpm/FPGrowthSuite.scala ---
@@ -103,6 +103,22 @@ class FPGrowthSuite extends SparkFunSuite with MLlibTestSparkContext with Defaul
FPGrowthSuite.allParamSettings, checkModelData)
}
+ test("SPARK-19940 - FPGrowth prediction should not contain duplicates") {
+ // This should generate the same rules for t and s
+ val dataset = spark.createDataFrame(Seq(
+ Array("1", "3"),
+ Array("2", "3")
+ ).map(Tuple1(_))).toDF("features")
+ val model = new FPGrowth().fit(dataset)
+
+ val predictions = model.transform(
+ spark.createDataFrame(Seq(Tuple1(Array("1", "2")))).toDF("features")
+ )
+
+ val prediction = predictions.first().getAs[Seq[String]]("prediction")
+ assert(prediction.size === 1)
--- End diff --
nit: assert(prediction.size === Seq("3")) may be more clear.
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74467 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74467/testReport)** for PR 17283 at commit [`6183093`](https://github.com/apache/spark/commit/61830931e6c5f2dd6e774781d737b42329a0a52f).
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[GitHub] spark issue #17283: [SPARK-19940][ML][MINOR] FPGrowthModel.transform should ...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/17283
**[Test build #74469 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/74469/testReport)** for PR 17283 at commit [`1edf3fa`](https://github.com/apache/spark/commit/1edf3fa8b713fdd856f340599c762df52887dafe).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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