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From sachingoel0101 <...@git.apache.org>
Subject [GitHub] flink pull request: [Flink-2030][ml]Online Histogram: Discrete and...
Date Tue, 23 Jun 2015 08:47:51 GMT
GitHub user sachingoel0101 opened a pull request:

    https://github.com/apache/flink/pull/861

    [Flink-2030][ml]Online Histogram: Discrete and Categorical

    This implements the Online Histograms for both categorical and continuous data. For continuous
data, we emulate a continuous probability distribution which supports finding cumulative sum
upto a particular value, and finding value upto a specific cumulative probability [Quantiles].

    For categorical fields, we emulate a probability mass function which supports finding
the probability associated with every class.
    The continuous histogram follows this paper: http://www.jmlr.org/papers/volume11/ben-haim10a/ben-haim10a.pdf
    
    Note: This is a sub-task of https://issues.apache.org/jira/browse/FLINK-1727 which already
has a PR pending review at https://github.com/apache/flink/pull/710.

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

    $ git pull https://github.com/sachingoel0101/flink online_histogram

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

    https://github.com/apache/flink/pull/861.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 #861
    
----
commit ec50b4bb4faf91570724b4aa79783936d0a9487f
Author: Sachin Goel <sachingoel0101@gmail.com>
Date:   2015-06-23T08:40:57Z

    Online Histogram: Discrete and Categorical, Test Suites included

----


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