GitHub user zhengruifeng opened a pull request:
https://github.com/apache/spark/pull/13356
[SPARK-15610][ML] PCA should not support k == numFeatures
## What changes were proposed in this pull request?
Fix the wrong bound of `k` in `PCA`
`require(k <= sources.first().size, ...` -> `require(k <
sources.first().size`
BTW, remove unused import in `ml.ElementwiseProduct`
## How was this patch tested?
manual tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhengruifeng/spark fix_pca
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13356.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 #13356
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commit e886e6e837aeb56a410621ed2ffa06bcaebabd35
Author: Zheng RuiFeng <[email protected]>
Date: 2016-05-27T09:52:52Z
create pr
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