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[SPARK-1553] Alternating nonnegative least-squares #460

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wants to merge 19 commits into from
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[SPARK-1553] Alternating nonnegative least-squares #460

wants to merge 19 commits into from

Commits on Apr 21, 2014

  1. A nonnegative least-squares solver.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  2. Tests for the nonnegative least squares solver.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  3. Teach ALS how to use the NNLS solver.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  4. Hack ALSSuite to support NNLS testing.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  5. Fix missing space.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  6. Fix scalastyle moanings.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  7. Finish moving the NNLS solver.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  8. More safeguards against numerical ridiculousness.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  9. Style fixes that got eaten.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  10. Describe the problem and add a reference to Polyak's paper.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  11. Tweak variable names.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  12. Clean up NNLS test cases.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  13. Create a workspace object for NNLS to cut down on memory allocations.

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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  14. Drop the iteration limit from 40k to max(400,20n).

    @tmyklebu
    tmyklebu committed Apr 21, 2014
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Commits on Apr 25, 2014

  1. Cleanup.

    @tmyklebu
    tmyklebu committed Apr 25, 2014
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  2. Make ALS's ctor public and remove a couple of "convenience" wrappers.

    @tmyklebu
    tmyklebu committed Apr 25, 2014
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  3. Cleanup matrix math in NNLSSuite.

    @tmyklebu
    tmyklebu committed Apr 25, 2014
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  4. Make the ctor private again and use the builder pattern.

    @tmyklebu
    tmyklebu committed Apr 25, 2014
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Commits on Apr 29, 2014

  1. Merge branch 'master' of https://github.com/apache/spark into annls 

    Conflicts:
	mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala
	mllib/src/test/scala/org/apache/spark/mllib/recommendation/ALSSuite.scala
    @tmyklebu
    tmyklebu committed Apr 29, 2014
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