GitHub user brkyvz opened a pull request:
https://github.com/apache/spark/pull/5842
[SPARK-7243][SQL] Contingency Tables for DataFrames
Computes a pair-wise frequency table of the given columns. Also known as
cross-tabulation.
I will implement the Python API once PR #5825 gets merged, in this PR. This
is to get a first round of feedback.
cc @mengxr @rxin
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/brkyvz/spark df-cont
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5842.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 #5842
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commit 27a5a81de859b41b39174fcdd9aad8df80703b5b
Author: Burak Yavuz <[email protected]>
Date: 2015-05-01T19:01:07Z
implemented crosstab
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