GitHub user mpjlu opened a pull request:
https://github.com/apache/spark/pull/18832
[SPARK-21623][ML]fix RF doc
## What changes were proposed in this pull request?
comments of parentStats in RF are wrong.
parentStats is not only used for the first iteration, it is used with all
the iteration for unordered features.
## How was this patch tested?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mpjlu/spark fixRFDoc
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18832.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 #18832
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commit 83c75043fee2a20f1eb6298bd2dab1259409c3ef
Author: Peng Meng <[email protected]>
Date: 2017-08-03T08:26:51Z
fix RF doc
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