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Posted to reviews@spark.apache.org by holdenk <gi...@git.apache.org> on 2016/05/05 21:56:24 UTC

[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

GitHub user holdenk opened a pull request:

    https://github.com/apache/spark/pull/12938

    [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update some pydocs

    ## What changes were proposed in this pull request?
    
    Mark ml.classification algorithms as experimental to match Scala algorithms, update PyDoc for for thresholds on `LogisticRegression` to have same level of info as Scala, and enable mathjax for PyDoc.
    
    
    ## How was this patch tested?
    
    Built docs locally.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/holdenk/spark SPARK-15162-SPARK-15164-update-some-pydocs

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/12938.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 #12938
    
----
commit 83892808fde633525c4366b368033ba80c81eaa8
Author: Holden Karau <ho...@us.ibm.com>
Date:   2016-05-05T20:24:14Z

    Mark a number of alogrithms and models experimental that are marked that way in scala and update the docs for logisitc regression threshold

commit 1fa57e5ded4c8e47ac87cbc783184ca71f9ab699
Author: Holden Karau <ho...@us.ibm.com>
Date:   2016-05-05T20:30:20Z

    Add the rest

commit b1ce81779ef93e5a83ab68a30f1ae5a91e0f38ec
Author: Holden Karau <ho...@us.ibm.com>
Date:   2016-05-05T21:51:53Z

    Use mathjax for formula in PyDoc

commit 8125c8c6a79cf55a74894a7d2e4efb68a331fcfe
Author: Holden Karau <ho...@us.ibm.com>
Date:   2016-05-05T21:52:18Z

    Switch to math highlighting and update legostic regresion get doc since it doesn't throw an an error

commit c72fa4679dd2fa56e8f590b1b93beaf8c939b523
Author: Holden Karau <ho...@us.ibm.com>
Date:   2016-05-05T21:54:30Z

    Long line fix

----


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60466 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60466/consoleFull)** for PR 12938 at commit [`2be8cdf`](https://github.com/apache/spark/commit/2be8cdf15d6431c8d2ef0d7a6c5d136e2b71410e).


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218244852
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/58249/
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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @MLnick I think its your call - as @rxin pointed out on another PR - during a release we normally revert rather than waiting to fix - but since I made a fix in the process of figuring out what the issue was I think it would also just be OK to merge this - but your call.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220436538
  
    **[Test build #58895 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58895/consoleFull)** for PR 12938 at commit [`5df5a93`](https://github.com/apache/spark/commit/5df5a93423498c588957d0d977ab966ce48cb5b3).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60066 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60066/consoleFull)** for PR 12938 at commit [`e4061f4`](https://github.com/apache/spark/commit/e4061f4f4c8531c97f31989e1723e44c6170e673).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/60949/
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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    So this reverts the support both, but leaves in the revert of the breaking change. Did you also want that removed @MLnick ?


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65778263
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -183,7 +191,7 @@ def getThresholds(self):
             If :py:attr:`thresholds` is set, return its value.
             Otherwise, if :py:attr:`threshold` is set, return the equivalent thresholds for binary
             classification: (1-threshold, threshold).
    -        If neither are set, throw an error.
    --- End diff --
    
    If neither are explicitly set, it does in fact throw an error:
    
    ```
    In [22]: if not lr.isSet(lr.thresholds) and lr.isSet(lr.threshold):
       ....:     t = lr.getOrDefault(lr.threshold)
       ....:     [1.0-t, t]
       ....: else:
       ....:     lr.getOrDefault(lr.thresholds)
       ....:
    ---------------------------------------------------------------------------
    KeyError                                  Traceback (most recent call last)
    <ipython-input-22-869f82439552> in <module>()
          3     [1.0-t, t]
          4 else:
    ----> 5     lr.getOrDefault(lr.thresholds)
          6
    
    /Users/nick/workspace/scala/mlnick-spark/python/pyspark/ml/param/__init__.pyc in getOrDefault(self, param)
        348             return self._paramMap[param]
        349         else:
    --> 350             return self._defaultParamMap[param]
        351
        352     @since("1.4.0")
    
    KeyError: Param(parent=u'LogisticRegression_4b97b6978cdc41d90ee3', name='thresholds', doc="Thresholds in multi-class classification to adjust the probability of predicting each class. Array must have length equal to the number of classes, with values >= 0. The class with largest value p/t is predicted, where p is the original probability of that class and t is the class' threshold.")
    ```


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged to master/branch-2.0.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60390 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60390/consoleFull)** for PR 12938 at commit [`74636b1`](https://github.com/apache/spark/commit/74636b154a83ebd6c20f808c58354658f558179b).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217948620
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60499 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60499/consoleFull)** for PR 12938 at commit [`4431daa`](https://github.com/apache/spark/commit/4431daa9552426f02a993778eb5a5f2c2d87b183).


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by holden <gi...@git.apache.org>.
Github user holden commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    I think you meant @holdenk 
    
    Otherwise the pr looks ok to me. ;-)


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r62737613
  
    --- Diff: mllib/src/main/scala/org/apache/spark/ml/classification/MultilayerPerceptronClassifier.scala ---
    @@ -75,8 +75,8 @@ private[ml] trait MultilayerPerceptronParams extends PredictorParams
        * @group expertParam
        */
       final val solver: Param[String] = new Param[String](this, "solver",
    -    " Allows setting the solver: minibatch gradient descent (gd) or l-bfgs. " +
    -      " l-bfgs is the default one.",
    +    "Allows setting the solver: minibatch gradient descent (gd) or l-bfgs. " +
    +      "(Default l-bfgs)",
    --- End diff --
    
    sure, kept original indentation but will update.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220448741
  
    **[Test build #58901 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58901/consoleFull)** for PR 12938 at commit [`2eec947`](https://github.com/apache/spark/commit/2eec9472d879d7136e5d5c0c2931e6b81f1e88a8).


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65418382
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -157,10 +157,12 @@ def setThreshold(self, value):
         @since("1.4.0")
         def getThreshold(self):
             """
    -        Gets the value of threshold or attempt to convert thresholds to threshold if set, or default
    -        value if neither are set.
    -        This conversion is equivalent to:
    +        Get threshold for binary classification.
    +
    +        If :py:attr:`thresholds is set with length 2 (i.e., binary classification),
    +        this returns the equivalent threshold:
             :math:`\\frac{1}{1 + \\frac{thresholds(0)}{thresholds(1)}}`.
    +        Otherwise, returns :py:attr:`threshold` if set or its default value.
    --- End diff --
    
    "... default value if unset."


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221971531
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218295123
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220436570
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218295126
  
    Test PASSed.
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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60499 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60499/consoleFull)** for PR 12938 at commit [`4431daa`](https://github.com/apache/spark/commit/4431daa9552426f02a993778eb5a5f2c2d87b183).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/60943/
    Test PASSed.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60943 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60943/consoleFull)** for PR 12938 at commit [`d842309`](https://github.com/apache/spark/commit/d842309c749b817bdacb6a57bccba74cc7c0fbf4).


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221120967
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r64704183
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -154,7 +157,10 @@ def setThreshold(self, value):
         @since("1.4.0")
         def getThreshold(self):
             """
    -        Gets the value of threshold or its default value.
    +        Gets the value of threshold or attempt to convert thresholds to threshold if set, or default
    --- End diff --
    
    Sounds good, I'll go and update both the docs.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Sounds good will make that PR :)
    
    On Friday, June 17, 2016, Nick Pentreath <no...@github.com> wrote:
    
    > @holdenk <https://github.com/holdenk> ok weird - now master is failing
    > for me locally with the same error and I confirmed your fix does work.
    >
    > Failure is consistent for me locally. But it doesn't appear this is
    > impacting open/recent PySpark SQL PRs... e.g. #13717
    > <https://github.com/apache/spark/pull/13717>, #13558
    > <https://github.com/apache/spark/pull/13558>. This PR is the only place
    > it's failing on Jenkins, which is really weird to me, since even an
    > intermittent failure should show up on someone else's PR. So for now I have
    > not reverted f7288e1
    > <https://github.com/apache/spark/commit/f7288e166c696da15e790c28fc3ed78531fd362d>
    > ... cc @rxin <https://github.com/rxin> @sameeragarwal
    > <https://github.com/sameeragarwal>
    >
    > In any case let's rather isolate the issue/fix in a separate PR for
    > SPARK-15954.
    >
    > —
    > You are receiving this because you were mentioned.
    > Reply to this email directly, view it on GitHub
    > <https://github.com/apache/spark/pull/12938#issuecomment-226761030>, or mute
    > the thread
    > <https://github.com/notifications/unsubscribe/AADp9V03SpADeLij0leDvXuHD3lIlODuks5qMpjngaJpZM4IYbBk>
    > .
    >
    
    
    -- 
    Cell : 425-233-8271
    Twitter: https://twitter.com/holdenkarau



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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221988239
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by jkbradley <gi...@git.apache.org>.
Github user jkbradley commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    What keeps causing this failure?  Is it the change in conf.py?


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218294860
  
    **[Test build #58264 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58264/consoleFull)** for PR 12938 at commit [`f4df8f0`](https://github.com/apache/spark/commit/f4df8f087575b6a994cfa4cdaf3b6f0c7e612884).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r66177599
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -183,7 +191,7 @@ def getThresholds(self):
             If :py:attr:`thresholds` is set, return its value.
             Otherwise, if :py:attr:`threshold` is set, return the equivalent thresholds for binary
             classification: (1-threshold, threshold).
    -        If neither are set, throw an error.
    --- End diff --
    
    ok - we can revisit a change to behaviour in a separate PR


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220431095
  
    **[Test build #58895 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58895/consoleFull)** for PR 12938 at commit [`5df5a93`](https://github.com/apache/spark/commit/5df5a93423498c588957d0d977ab966ce48cb5b3).


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217291689
  
    **[Test build #57925 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/57925/consoleFull)** for PR 12938 at commit [`c72fa46`](https://github.com/apache/spark/commit/c72fa4679dd2fa56e8f590b1b93beaf8c939b523).


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #3077 has started](https://amplab.cs.berkeley.edu/jenkins/job/NewSparkPullRequestBuilder/3077/consoleFull)** for PR 12938 at commit [`7b634b6`](https://github.com/apache/spark/commit/7b634b63be315a5f5830b0a4190a42567e6d9c92).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #3077 has finished](https://amplab.cs.berkeley.edu/jenkins/job/NewSparkPullRequestBuilder/3077/consoleFull)** for PR 12938 at commit [`7b634b6`](https://github.com/apache/spark/commit/7b634b63be315a5f5830b0a4190a42567e6d9c92).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `  implicit class AttributeSeq(val attrs: Seq[Attribute]) extends Serializable `


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/60456/
    Test FAILed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217297807
  
    Test PASSed.
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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/60390/
    Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @MLnick - I _think_ it just a timing condition - if the file is available in the resource path its all good but if it isn't then its sad. So https://github.com/apache/spark/commit/f7288e166c696da15e790c28fc3ed78531fd362d would have passed, but this PR probably changes how long the pylint check takes (adds mathjax) which surfaces this.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/60363/
    Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @holdenk can you back out 4431daa from this PR when you get a chance?


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/60066/
    Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by mengxr <gi...@git.apache.org>.
Github user mengxr commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @holdenk @MLnick Could this PR be split into smaller ones? I don't see a good reason to put changes to `HiveTest` and pyspark.ml Experimental annotations under the same PR. Keeping PRs minimal is a good practice and it also helps locate issues and backport bug fixes.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221794514
  
    ping?


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220454531
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60949 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60949/consoleFull)** for PR 12938 at commit [`de63f9f`](https://github.com/apache/spark/commit/de63f9f7451ae6e527fe383537a2afbdf273449a).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60139 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60139/consoleFull)** for PR 12938 at commit [`7b634b6`](https://github.com/apache/spark/commit/7b634b63be315a5f5830b0a4190a42567e6d9c92).


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65418183
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -157,10 +157,12 @@ def setThreshold(self, value):
         @since("1.4.0")
         def getThreshold(self):
             """
    -        Gets the value of threshold or attempt to convert thresholds to threshold if set, or default
    -        value if neither are set.
    -        This conversion is equivalent to:
    +        Get threshold for binary classification.
    +
    +        If :py:attr:`thresholds is set with length 2 (i.e., binary classification),
    --- End diff --
    
    missing "`" here


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/60065/
    Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60456 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60456/consoleFull)** for PR 12938 at commit [`d925f38`](https://github.com/apache/spark/commit/d925f3861ac96ddb09682b863160b18adcb4473d).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221971527
  
    **[Test build #59406 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/59406/consoleFull)** for PR 12938 at commit [`4111b2d`](https://github.com/apache/spark/commit/4111b2d01c33fac3c2537fe9430ce05063530a48).
     * This patch **fails Python style tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218234463
  
    **[Test build #58249 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58249/consoleFull)** for PR 12938 at commit [`a73913b`](https://github.com/apache/spark/commit/a73913b3ea72b067ab9e7f19bdc5821145b003b4).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60065 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60065/consoleFull)** for PR 12938 at commit [`a7aadec`](https://github.com/apache/spark/commit/a7aadec43efbb523545db8806b189872727b786f).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60139 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60139/consoleFull)** for PR 12938 at commit [`7b634b6`](https://github.com/apache/spark/commit/7b634b63be315a5f5830b0a4190a42567e6d9c92).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `  implicit class AttributeSeq(val attrs: Seq[Attribute]) extends Serializable `


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r64703382
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -96,7 +98,8 @@ class LogisticRegression(JavaEstimator, HasFeaturesCol, HasLabelCol, HasPredicti
     
         threshold = Param(Params._dummy(), "threshold",
                           "Threshold in binary classification prediction, in range [0, 1]." +
    -                      " If threshold and thresholds are both set, they must match.",
    +                      " If threshold and thresholds are both set, they must match." +
    +                      "e.g. threshold must be equal to [1-p, p].",
    --- End diff --
    
    Perhaps `e.g. if threshold is p, then thresholds must be [1-p, p]`?


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60462 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60462/consoleFull)** for PR 12938 at commit [`3981612`](https://github.com/apache/spark/commit/398161285321c976e850f18b486e512efbe0d24e).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @holdenk ok weird - now master is failing for me locally with the same error and I confirmed your fix does work. 
    
    Failure is consistent for me locally. But it doesn't appear this is impacting open/recent PySpark SQL PRs... e.g. #13717, #13558. This PR is the only place it's failing on Jenkins, which is really weird to me, since even an intermittent failure should show up on someone else's PR. So for now I have not reverted f7288e1 ... cc @rxin @sameeragarwal 
    
    In any case let's rather isolate the issue/fix in a separate PR for SPARK-15954.


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60466 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60466/consoleFull)** for PR 12938 at commit [`2be8cdf`](https://github.com/apache/spark/commit/2be8cdf15d6431c8d2ef0d7a6c5d136e2b71410e).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r62735986
  
    --- Diff: mllib/src/main/scala/org/apache/spark/ml/classification/MultilayerPerceptronClassifier.scala ---
    @@ -75,8 +75,8 @@ private[ml] trait MultilayerPerceptronParams extends PredictorParams
        * @group expertParam
        */
       final val solver: Param[String] = new Param[String](this, "solver",
    -    " Allows setting the solver: minibatch gradient descent (gd) or l-bfgs. " +
    -      " l-bfgs is the default one.",
    +    "Allows setting the solver: minibatch gradient descent (gd) or l-bfgs. " +
    +      "(Default l-bfgs)",
    --- End diff --
    
    indentation is off here. Also prefer `(Default: l-bfgs)` 


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218269967
  
    **[Test build #58264 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58264/consoleFull)** for PR 12938 at commit [`f4df8f0`](https://github.com/apache/spark/commit/f4df8f087575b6a994cfa4cdaf3b6f0c7e612884).


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218252913
  
    **[Test build #58255 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58255/consoleFull)** for PR 12938 at commit [`9e38ddf`](https://github.com/apache/spark/commit/9e38ddf6088e0ce7342327b8f1ed83560c8b5a63).


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217948625
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/58153/
    Test FAILed.


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-222217176
  
    ping?


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218266769
  
    Test PASSed.
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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221120885
  
    **[Test build #59158 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/59158/consoleFull)** for PR 12938 at commit [`e11dbf8`](https://github.com/apache/spark/commit/e11dbf8fefee98ec39f4bc8495bd5a9f00b74c36).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217948615
  
    **[Test build #58153 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58153/consoleFull)** for PR 12938 at commit [`64942b7`](https://github.com/apache/spark/commit/64942b7eb9b392ce3b658cc63ade426b2a6042c7).
     * This patch **fails Python style tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    I did mean by my earlier comment that this PR should focus on the doc
    changes and the other new (linked) one is handling the HiveTest issue.
    On Tue, 21 Jun 2016 at 20:42, Xiangrui Meng <no...@github.com>
    wrote:
    
    > @holdenk <https://github.com/holdenk> @MLnick <https://github.com/MLnick>
    > Could this PR be split into smaller ones? I don't see a good reason to put
    > changes to HiveTest and pyspark.ml Experimental annotations under the
    > same PR. Keeping PRs minimal is a good practice and it also helps locate
    > issues and backport bug fixes.
    >
    > —
    > You are receiving this because you were mentioned.
    > Reply to this email directly, view it on GitHub
    > <https://github.com/apache/spark/pull/12938#issuecomment-227533138>, or mute
    > the thread
    > <https://github.com/notifications/unsubscribe/AA_SB5KowL5vQrTp_YBBbovlqU27UnI2ks5qODCugaJpZM4IYbBk>
    > .
    >



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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220436565
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60332 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60332/consoleFull)** for PR 12938 at commit [`873f6c8`](https://github.com/apache/spark/commit/873f6c8656c9f07543e5907d6bde7bf0c582673d).


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    My guess is f7288e166c696da15e790c28fc3ed78531fd362d is the culprit but lets see.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60949 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60949/consoleFull)** for PR 12938 at commit [`de63f9f`](https://github.com/apache/spark/commit/de63f9f7451ae6e527fe383537a2afbdf273449a).


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/spark/pull/12938


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220454535
  
    Test PASSed.
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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221971534
  
    Test FAILed.
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    Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60456 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60456/consoleFull)** for PR 12938 at commit [`d925f38`](https://github.com/apache/spark/commit/d925f3861ac96ddb09682b863160b18adcb4473d).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    A couple minor comments, pending that LGTM.


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Ok well that makes sense - I'll fix this to support both resource and system property based.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65780016
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -183,7 +191,7 @@ def getThresholds(self):
             If :py:attr:`thresholds` is set, return its value.
             Otherwise, if :py:attr:`threshold` is set, return the equivalent thresholds for binary
             classification: (1-threshold, threshold).
    -        If neither are set, throw an error.
    --- End diff --
    
    We should probably harmonize with the Scala side and return the default value yes?


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by yanboliang <gi...@git.apache.org>.
Github user yanboliang commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65818803
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -183,7 +191,7 @@ def getThresholds(self):
             If :py:attr:`thresholds` is set, return its value.
             Otherwise, if :py:attr:`threshold` is set, return the equivalent thresholds for binary
             classification: (1-threshold, threshold).
    -        If neither are set, throw an error.
    --- End diff --
    
    +1 If both are unset, using default ```threshold``` to produce ```thresholds``` rather than throwing exception.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217297803
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @jkbradley - I don't think that is the issue but it does seem like the only "real" change - strangely enough I get the same failure locally on vanilla master at e2ab79d5ea00af45c083cc9a6607d2f0905f9908 but jenkins master appears to be fine. I'll run a bisect on this while I'm finding coffee/breakfast.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60363 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60363/consoleFull)** for PR 12938 at commit [`9fb2e41`](https://github.com/apache/spark/commit/9fb2e41f18a2b361be48a652827961bf27c969aa).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `    public static class Prefix `
      * `case class RefreshResource(path: String)`


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65961625
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -183,7 +191,7 @@ def getThresholds(self):
             If :py:attr:`thresholds` is set, return its value.
             Otherwise, if :py:attr:`threshold` is set, return the equivalent thresholds for binary
             classification: (1-threshold, threshold).
    -        If neither are set, throw an error.
    --- End diff --
    
    Actually now that I'm back from traveling I think reverting the doc change is the right thing to do since that is what the Scala side does (I misread it earlier).


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Sure thing.
    
    On Tuesday, June 21, 2016, Nick Pentreath <no...@github.com> wrote:
    
    > @holdenk <https://github.com/holdenk> can you back out 4431daa
    > <https://github.com/apache/spark/commit/4431daa9552426f02a993778eb5a5f2c2d87b183>
    > from this PR when you get a chance?
    >
    > —
    > You are receiving this because you were mentioned.
    > Reply to this email directly, view it on GitHub
    > <https://github.com/apache/spark/pull/12938#issuecomment-227472608>, or mute
    > the thread
    > <https://github.com/notifications/unsubscribe/AADp9dSasgfL9zhu21irWOwssmXi0SNsks5qOABBgaJpZM4IYbBk>
    > .
    >
    
    
    -- 
    Cell : 425-233-8271
    Twitter: https://twitter.com/holdenkarau



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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218244794
  
    **[Test build #58249 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58249/consoleFull)** for PR 12938 at commit [`a73913b`](https://github.com/apache/spark/commit/a73913b3ea72b067ab9e7f19bdc5821145b003b4).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Stripped down to just the doc changes. I personally very much like having small PRs - the fix just happened to end up in here since it this doc change exposed the underlying issue (and it seemed like the doc change its self was small enough it would be ok to package the fix with it) as some people have asked that I group things together more.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221974702
  
    **[Test build #59408 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/59408/consoleFull)** for PR 12938 at commit [`53ab790`](https://github.com/apache/spark/commit/53ab7906d57f3ce2c954a5b54ff1ba5e97ebd00a).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Which of course seems to be more that things are flaky rather than that commit actually introducing it :(


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60363 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60363/consoleFull)** for PR 12938 at commit [`9fb2e41`](https://github.com/apache/spark/commit/9fb2e41f18a2b361be48a652827961bf27c969aa).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Ok it's passing now :) LGTM


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r64703161
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -154,7 +157,10 @@ def setThreshold(self, value):
         @since("1.4.0")
         def getThreshold(self):
             """
    -        Gets the value of threshold or its default value.
    +        Gets the value of threshold or attempt to convert thresholds to threshold if set, or default
    --- End diff --
    
    I just noticed that both this and Scala doc is inaccurate.
    
    Scala side says:
    ```
       * Get threshold for binary classification.
       *
       * If [[threshold]] is set, returns that value.
       * Otherwise, if [[thresholds]] is set with length 2 (i.e., binary classification),
       * this returns the equivalent threshold: {{{1 / (1 + thresholds(0) / thresholds(1))}}}.
       * Otherwise, returns [[threshold]] default value.
    ```
    
    But actually, the logic is "if thresholds is set and is length 2, return 1 / (1 + t(0) / t(1) ). Otherwise return threshold or its default value."
    
    Seems to me we should update both Scala and Python doc to reflect this.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221116861
  
    **[Test build #59158 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/59158/consoleFull)** for PR 12938 at commit [`e11dbf8`](https://github.com/apache/spark/commit/e11dbf8fefee98ec39f4bc8495bd5a9f00b74c36).


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65779711
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -183,7 +191,7 @@ def getThresholds(self):
             If :py:attr:`thresholds` is set, return its value.
             Otherwise, if :py:attr:`threshold` is set, return the equivalent thresholds for binary
             classification: (1-threshold, threshold).
    -        If neither are set, throw an error.
    --- End diff --
    
    So we should revert the doc ...
    
    ... but it does seem strange to me to throw that error. Why not if both are unset, use the default value for `threshold`? 


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-220454396
  
    **[Test build #58901 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58901/consoleFull)** for PR 12938 at commit [`2eec947`](https://github.com/apache/spark/commit/2eec9472d879d7136e5d5c0c2931e6b81f1e88a8).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218266766
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217947848
  
    **[Test build #58153 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58153/consoleFull)** for PR 12938 at commit [`64942b7`](https://github.com/apache/spark/commit/64942b7eb9b392ce3b658cc63ade426b2a6042c7).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60390 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60390/consoleFull)** for PR 12938 at commit [`74636b1`](https://github.com/apache/spark/commit/74636b154a83ebd6c20f808c58354658f558179b).


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-217297715
  
    **[Test build #57925 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/57925/consoleFull)** for PR 12938 at commit [`c72fa46`](https://github.com/apache/spark/commit/c72fa4679dd2fa56e8f590b1b93beaf8c939b523).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218266615
  
    **[Test build #58255 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/58255/consoleFull)** for PR 12938 at commit [`9e38ddf`](https://github.com/apache/spark/commit/9e38ddf6088e0ce7342327b8f1ed83560c8b5a63).
     * This patch passes all tests.
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     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @holdenk master passes PySpark tests for me locally. Are we sure it is f7288e1? Is it intermittent? Because #13489 did pass Jenkins (including PySpark tests).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221971129
  
    **[Test build #59406 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/59406/consoleFull)** for PR 12938 at commit [`4111b2d`](https://github.com/apache/spark/commit/4111b2d01c33fac3c2537fe9430ce05063530a48).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/12938
  
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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-218244850
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #12938: [WIP][SPARK-15162][SPARK-15164][PySpark][DOCS][ML] updat...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    @holden does  f7288e1 need to be reverted?


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60943 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60943/consoleFull)** for PR 12938 at commit [`d842309`](https://github.com/apache/spark/commit/d842309c749b817bdacb6a57bccba74cc7c0fbf4).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Git bisect ends up blaming e2ab79d5ea00af45c083cc9a6607d2f0905f9908 - I'll poke at it some


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60332 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60332/consoleFull)** for PR 12938 at commit [`873f6c8`](https://github.com/apache/spark/commit/873f6c8656c9f07543e5907d6bde7bf0c582673d).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] upd...

Posted by MLnick <gi...@git.apache.org>.
Github user MLnick commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12938#discussion_r65792982
  
    --- Diff: python/pyspark/ml/classification.py ---
    @@ -183,7 +191,7 @@ def getThresholds(self):
             If :py:attr:`thresholds` is set, return its value.
             Otherwise, if :py:attr:`threshold` is set, return the equivalent thresholds for binary
             classification: (1-threshold, threshold).
    -        If neither are set, throw an error.
    --- End diff --
    
    I'd say yeah - cc @yanboliang thoughts?


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221120971
  
    Test PASSed.
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[GitHub] spark issue #12938: [SPARK-15954][SPARK-15162][SPARK-15164][PySpark][DOCS][M...

Posted by holdenk <gi...@git.apache.org>.
Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    Good, I'll revert the revert then as well :)


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60462 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60462/consoleFull)** for PR 12938 at commit [`3981612`](https://github.com/apache/spark/commit/398161285321c976e850f18b486e512efbe0d24e).
     * This patch **fails Python style tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/12938#issuecomment-221988093
  
    **[Test build #59408 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/59408/consoleFull)** for PR 12938 at commit [`53ab790`](https://github.com/apache/spark/commit/53ab7906d57f3ce2c954a5b54ff1ba5e97ebd00a).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/12938
  
    Merged build finished. Test FAILed.


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/12938
  
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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60066 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60066/consoleFull)** for PR 12938 at commit [`e4061f4`](https://github.com/apache/spark/commit/e4061f4f4c8531c97f31989e1723e44c6170e673).


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[GitHub] spark issue #12938: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] update som...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/12938
  
    **[Test build #60065 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/60065/consoleFull)** for PR 12938 at commit [`a7aadec`](https://github.com/apache/spark/commit/a7aadec43efbb523545db8806b189872727b786f).
     * This patch **fails PySpark unit tests**.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-15162][SPARK-15164][PySpark][DOCS][ML] ...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/12938#issuecomment-221988241
  
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    Test PASSed.


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