GitHub user dbtsai opened a pull request:
https://github.com/apache/spark/pull/5767
[SPARK-7222][ML] Added mathematical derivation in comment to
LinearRegression with ElasticNet.
Added detailed mathematical derivation of how scaling and
LeastSquaresAggregator work. Also refactored the code. TODO: Add test that fail
the test when the correction terms are not correctly computed.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dbtsai/spark lir-doc
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5767.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 #5767
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commit e24c7fb87848d2e1ba4655f6cec10dafc85bd1ae
Author: DongBang Tsai <[email protected]>
Date: 2015-04-29T00:53:43Z
Add more documentation to LinearRegression in new ML framework.
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