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[SPARK-22883] ML test for StructuredStreaming: spark.ml.feature, I-M #20964

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[SPARK-22883] ML test for StructuredStreaming: spark.ml.feature, I-M #20964

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@jkbradley jkbradley commented Apr 2, 2018

What changes were proposed in this pull request?

Adds structured streaming tests using testTransformer for these suites:

  • IDF
  • Imputer
  • Interaction
  • MaxAbsScaler
  • MinHashLSH
  • MinMaxScaler
  • NGram

How was this patch tested?

It is a bunch of tests!

WeichenXu123
WeichenXu123 reviewed Apr 3, 2018
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mllib/src/test/scala/org/apache/spark/ml/feature/ImputerSuite.scala Outdated
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@WeichenXu123 WeichenXu123 Apr 3, 2018

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Why the "value" column use java.lang.Double type ?

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@jkbradley jkbradley Apr 3, 2018

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since it's nullable

mllib/src/test/scala/org/apache/spark/ml/feature/MaxAbsScalerSuite.scala Outdated
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vector1 === vector2
and the error message looks strange. ==> s"scaled value $vector2 do not equal expected value "$vector1" ?

mllib/src/test/scala/org/apache/spark/ml/feature/MinHashLSHSuite.scala Outdated
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Why not have "expected" column" here to compare with ?

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@jkbradley jkbradley Apr 3, 2018

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I don't think that's necessary for testing that this works with structured streaming. (I can't see how streaming would mess up the correctness of the algorithm.)

mllib/src/test/scala/org/apache/spark/ml/feature/MinMaxScalerSuite.scala Outdated
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vector1 === vector2

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@jkbradley jkbradley Apr 3, 2018 •
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True, === is more standard (though both are fine)

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Just curious, why change Seq[String] to Seq[_], is it for fixing some potential issue ?

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String is not actually checked because of erasure, so IntelliJ complained with a style warning before this change.

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SparkQA commented Apr 3, 2018

Test build #88851 has finished for PR 20964 at commit 6dff94e.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds no public classes.

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WeichenXu123 commented Apr 10, 2018

LGTM. 👍

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jkbradley commented Apr 11, 2018

Thanks! I'll rerun tests since they are stale and merge after they pass.

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SparkQA commented Apr 11, 2018

Test build #4151 has finished for PR 20964 at commit 6dff94e.

  • This patch passes all tests.
  • This patch does not merge cleanly.
  • This patch adds no public classes.

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jkbradley commented Apr 11, 2018

I rebased off of master because of the merge warning in the last tests.
I did not have to resolve any conflicts.
I'll merge this once tests pass.

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SparkQA commented Apr 11, 2018

Test build #89174 has finished for PR 20964 at commit 592670c.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds no public classes.

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jkbradley commented Apr 11, 2018

Merging with master

jkbradley added a commit to jkbradley/spark that referenced this pull request Apr 11, 2018
@jkbradley
[SPARK-22883] ML test for StructuredStreaming: spark.ml.feature, I-M
a420943 
## What changes were proposed in this pull request?

Adds structured streaming tests using testTransformer for these suites:
* IDF
* Imputer
* Interaction
* MaxAbsScaler
* MinHashLSH
* MinMaxScaler
* NGram

## How was this patch tested?

It is a bunch of tests!

Author: Joseph K. Bradley <[email protected]>

Closes apache#20964 from jkbradley/SPARK-22883-part2.
@asfgit asfgit closed this in 75a1830 Apr 11, 2018
@jkbradley jkbradley mentioned this pull request Apr 11, 2018
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@jkbradley jkbradley deleted the SPARK-22883-part2 branch April 11, 2018 17:06
asfgit pushed a commit that referenced this pull request Apr 11, 2018
@jkbradley
[SPARK-22883][ML] ML test for StructuredStreaming: spark.ml.feature, I-M
acfc156 
This backports #20964 to branch-2.3.

## What changes were proposed in this pull request?

Adds structured streaming tests using testTransformer for these suites:
* IDF
* Imputer
* Interaction
* MaxAbsScaler
* MinHashLSH
* MinMaxScaler
* NGram

## How was this patch tested?

It is a bunch of tests!

Author: Joseph K. Bradley <josephdatabricks.com>

Author: Joseph K. Bradley <[email protected]>

Closes #21042 from jkbradley/SPARK-22883-part2-2.3backport.
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