GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/8734
[SPARK-10524][ML] Use the soft prediction to order categories' bins
JIRA: https://issues.apache.org/jira/browse/SPARK-10524
Currently we use the hard prediction (`ImpurityCalculator.predict`) to
order categories' bins. But we should use the soft prediction.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 dt-soft-centroids
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8734.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 #8734
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commit 84260ca52bc037f2074bc062c7d5b88e1657314a
Author: Liang-Chi Hsieh <vii...@appier.com>
Date: 2015-09-13T15:27:08Z
Use the soft prediction to order categories' bins.
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