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https://issues.apache.org/jira/browse/CRUNCH-178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Wills updated CRUNCH-178:
------------------------------
Attachment: CRUNCH-178b.patch
This patch merges the ReservoirSampling and Sample libraries into a single set
of methods and puts the implementation details into a package-private
SampleUtils class.
> Add library functions for performing distributed reservoir sampling
> -------------------------------------------------------------------
>
> Key: CRUNCH-178
> URL: https://issues.apache.org/jira/browse/CRUNCH-178
> Project: Crunch
> Issue Type: Improvement
> Components: MapReduce Patterns
> Reporter: Josh Wills
> Attachments: CRUNCH-178b.patch, CRUNCH-178.patch
>
>
> For a project I've been working on, I wrote up some Crunch functions for
> performing reservoir sampling and weighted reservoir sampling that I think
> would be useful enough to put in lib.* Here's the paper that I used as a
> reference for the implementations I wrote:
> http://arxiv.org/pdf/1012.0256.pdf
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