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https://issues.apache.org/jira/browse/PIG-3221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13637831#comment-13637831
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Gianmarco De Francisci Morales commented on PIG-3221:
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Hi Vicky,
Thanks for your interest in this project idea.
Given that Pig is not a statistics only, my current understanding is that we
want the samples to be materialized because they can be used, e.g., to train an
ensemble classifier.
Of course the case where we are only interested in statistics can be optimized.
Maybe a UDF would do the trick in this latter case.
> Bootstrap sampling
> ------------------
>
> Key: PIG-3221
> URL: https://issues.apache.org/jira/browse/PIG-3221
> Project: Pig
> Issue Type: New Feature
> Reporter: Gianmarco De Francisci Morales
> Labels: gsoc2013
>
> Implement a bootstrap sampling option (
> http://en.wikipedia.org/wiki/Bootstrap_(statistics) ) in Pig's SAMPLE
> operator.
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