GitHub user mengxr opened a pull request:
https://github.com/apache/spark/pull/4647
[SPARK-5858][MLLIB] Remove unnecessary first() call in GLM
`numFeatures` is only used by multinomial logistic regression.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mengxr/spark SPARK-5858
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4647.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 #4647
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commit 12c5548cef5d252be0acc3e4eaf4ff75dc639814
Author: Xiangrui Meng <[email protected]>
Date: 2015-02-17T08:45:48Z
check numFeatures only once
commit 036dc7fdf0e346323c8a154ae4394e78b86092cd
Author: Xiangrui Meng <[email protected]>
Date: 2015-02-17T09:20:08Z
remove unnecessary first() call
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