GitHub user nakul02 opened a pull request:
https://github.com/apache/spark/pull/9756
[SPARK-11439][ML] Optimization of creating sparse feature without dense one
Sparse feature generated in LinearDataGenerator does not create dense
vectors as an intermediate any more.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/nakul02/spark
SPARK-11439_sparse_without_creating_dense_feature
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9756.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 #9756
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commit b5038e838907a02af4254d4c8b71e08174f0326e
Author: Nakul Jindal <[email protected]>
Date: 2015-11-17T03:48:35Z
Efficient functional implemenation of generateLinearInput
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