GitHub user techaddict opened a pull request:
https://github.com/apache/spark/pull/15831
[SPARK-18385][ML] Make the transformer's natively in ml framework to avoid
extra conversion
## What changes were proposed in this pull request?
Transformer's added in ml framework to avoid extra conversion for:
ChiSqSelector
IDF
StandardScaler
PCA
## How was this patch tested?
Existing Tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/techaddict/spark ml-transformer
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15831.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 #15831
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commit da3626168ce264719517a8d34afdc500991fb700
Author: Sandeep Singh <sand...@techaddict.me>
Date: 2016-11-09T14:53:14Z
ChiSqSelector: make the transformer natively in ml framework to avoid extra
conversion
commit 733394fb3d7f4ea6891a4f6b0e41a03c9a1abc38
Author: Sandeep Singh <sand...@techaddict.me>
Date: 2016-11-09T15:40:24Z
add transformer for IDF
commit da437316879a6e2cb9df9549e28ea9b1b95b63d5
Author: Sandeep Singh <sand...@techaddict.me>
Date: 2016-11-09T15:55:22Z
add StandardScaler transform
commit a9483ef41423f2dfdc3bfb747a3bcf99ea1db50b
Author: Sandeep Singh <sand...@techaddict.me>
Date: 2016-11-09T16:03:01Z
add PCA transform
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