GitHub user mengxr opened a pull request:
https://github.com/apache/spark/pull/4302
[SPARK-5513][MLLIB] Add nonnegative option to ml's ALS
This PR ports the NNLS solver to the new ALS implementation.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mengxr/spark SPARK-5513
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4302.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 #4302
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commit 88de63484bc21892c4680d7718df6fdaeaa21db2
Author: Xiangrui Meng <[email protected]>
Date: 2015-02-01T22:57:37Z
add NNLS to ml's ALS
commit 4cbdab0f57902d01d20f59a4c5722a67b50e6c16
Author: Xiangrui Meng <[email protected]>
Date: 2015-02-01T23:37:21Z
fix serialization
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