GitHub user nakul02 opened a pull request:
https://github.com/apache/spark/pull/9745
[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/9745.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 #9745
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commit 173b7bb2a6a8845a08c95dcce9d9bddc0bdc2b67
Author: Nakul Jindal <[email protected]>
Date: 2015-11-16T22:19:31Z
Efficient functional implemenation of generateLinearInput
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