GitHub user jkbradley opened a pull request:
https://github.com/apache/spark/pull/17110
[SPARK-19635][ML] DataFrame-based API for chi square test
## What changes were proposed in this pull request?
Wrapper taking and return a DataFrame
## How was this patch tested?
Copied unit tests from RDD-based API
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jkbradley/spark df-hypotests
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17110.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 #17110
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commit a9a8225162da4064714393d24ea601f1cd42753a
Author: Joseph K. Bradley <[email protected]>
Date: 2017-03-01T02:34:59Z
DF-based api for chi square test
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