GitHub user JoshRosen opened a pull request:
https://github.com/apache/spark/pull/6218
[SPARK-7687] DataFrame.describe() should cast all aggregates to doubles
In `DataFrame.describe()`, the `count` aggregate produces an integer, but
all other aggregates produce doubles. Because the output schema of
`describe()` is declared as `(String, [Double, ...])`, we should cast the
result of all aggregates to double.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/JoshRosen/spark SPARK-7687
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6218.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 #6218
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commit bedb4909a1abd88c390d7cbd902a25c8691f38f3
Author: Josh Rosen <[email protected]>
Date: 2015-05-17T08:54:12Z
Add failing regression test for SPARK-7687
commit 696206cb7cad45b414c2b54294fa3400fa176ef2
Author: Josh Rosen <[email protected]>
Date: 2015-05-17T08:54:27Z
Cast to double to fix SPARK-7687
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