GitHub user mengxr opened a pull request:
https://github.com/apache/spark/pull/5314
[SPARK-6642][MLLIB] use 1.2 lambda scaling and remove addImplicit from
NormalEquation
This PR changes lambda scaling from number of users/items to number of
explicit ratings. The latter is the behavior in 1.2. Slight refactor of
NormalEquation to make it independent of ALS models. @srowen @codexiang
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mengxr/spark SPARK-6642
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5314.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 #5314
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commit f410df260aa47f097d5b0ccc26348b9523711e70
Author: Xiangrui Meng <[email protected]>
Date: 2015-04-01T20:34:32Z
use 1.2 scaling and remove addImplicit from NormalEquation
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