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From feynmanliang <>
Subject [GitHub] spark pull request: [SPARK-3147][MLLib] A/B testing
Date Mon, 23 Feb 2015 13:48:38 GMT
GitHub user feynmanliang reopened a pull request:

    [SPARK-3147][MLLib] A/B testing

    Implementation of A/B testing using Streaming API.
    This contribution is my original work and I license the work to the project under the
project's open source license.

You can merge this pull request into a Git repository by running:

    $ git pull ab_testing

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4716
commit 105401a89216516565236f59a66a22cc91830686
Author: Feynman Liang <>
Date:   2015-01-10T19:36:27Z

    Add broken implementation of AB testing.

commit cb73e790c435a4819fb62bc6c37717f4b882aee4
Author: Feynman Liang <>
Date:   2015-01-10T21:07:29Z

    Fix AB testing implementation and add unit tests.

commit e0d5beccf54914ebdc5663dbe4ba71944f3183e2
Author: Feynman Liang <>
Date:   2015-01-10T22:54:26Z

    Extract t-testing code out of OnlineABTesting.

commit 2100de641a2e86efeaa0f559500c7ced6f7d51a9
Author: Feynman Liang <>
Date:   2015-01-11T04:56:30Z

    Add peace period for dropping first k entries of each A/B group.

commit 708380e980ed46ac1beb7665f7854fcf36ebc403
Author: Feynman Liang <>
Date:   2015-01-11T05:09:18Z

    Add numDim to MultivariateOnlineSummarizer.

commit ec7f700fbca15d84bba126edaaa50d53ce5fc7be
Author: Feynman Liang <>
Date:   2015-01-11T06:02:41Z

    Refactored ABTestingMethod into sealed trait.

commit 3f19e15aa3b7056262b601686643ed962846cdc3
Author: Feynman Liang <>
Date:   2015-01-11T06:29:49Z

    Add (non-sliding) testing window functionality.

commit c56f9237aa81a70e8572e2ecb851ebaf5cdfa473
Author: Feynman Liang <>
Date:   2015-01-11T15:19:46Z

    Fix peace period implementation.

commit 0d738815eb1cd49096112d8be7e9124345af0604
Author: Feynman Liang <>
Date:   2015-01-11T17:31:05Z

    Fix test window batching.

commit abf59d5e8f817f847af77aef7514fb740dbbf69d
Author: Feynman Liang <>
Date:   2015-01-11T17:56:15Z

    Handle (inelegantly) closure capture for ABTestMethod

commit e05eaaf3bb21bbed4c123d9ec6514e84ae75adcb
Author: Feynman Liang <>
Date:   2015-01-11T18:20:19Z

    Improve handling of OnlineABTestMethod closure by moving DStream processing method into
Serializable class.

commit 964a555746273a3afa542e34fdc6b86be60a5db9
Author: Feynman Liang <>
Date:   2015-01-11T18:52:37Z

    Fixed flaky peacePeriod test.

commit 79c1d44c6232b0a4af5df4dc14cdc83919cfdea9
Author: Feynman Liang <>
Date:   2015-01-11T20:39:58Z

    Add ScalaDocs and format to style guide.

commit e030c12337dce99abcf26f7d02c5d00a78f58c9b
Author: Feynman Liang <>
Date:   2015-01-12T00:02:20Z

    Add OnlineABTestExample.

commit e8e1f82b16fbdd8446e21b32bb39b413e1ae30d1
Author: Feynman Liang <>
Date:   2015-01-12T00:03:12Z

    Format code to style guide.

commit 17eef4eb22d918198dd03f2a931f009863fadcf5
Author: Feynman Liang <>
Date:   2015-01-19T04:43:36Z

    Switch MultivariateOnlineSummarizer to univariate StatsCounter.

commit a2ad38be8a77eef045581282b3dbc9d6a1544870
Author: Feynman Liang <>
Date:   2015-01-19T14:45:15Z

    Reduce number of passes in pairSummaries.

commit 4bb8636e5317a542ff0b29270548bd933199c6eb
Author: Feynman Liang <>
Date:   2015-01-19T14:45:41Z

    Add test for behavior when missing data from one group.


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