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From "Makoto Yui (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVEMALL-131) Add documentation about Stratified Sampling in general tips
Date Tue, 11 Jul 2017 05:58:00 GMT

     [ https://issues.apache.org/jira/browse/HIVEMALL-131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Makoto Yui updated HIVEMALL-131:
--------------------------------
    Description: 
[Stratified Sampling|https://en.wikipedia.org/wiki/Stratified_sampling] using SQL is valuable
and should be documented.

https://gist.github.com/myui/649c08cd2fb951e94eb4fa215eaf9df2
https://stackoverflow.com/questions/30235542/sql-random-sample-with-groups


  was:
[Stratified Sampling|
https://en.wikipedia.org/wiki/Stratified_sampling] using SQL is valuable and should be documented.

https://gist.github.com/myui/649c08cd2fb951e94eb4fa215eaf9df2
https://stackoverflow.com/questions/30235542/sql-random-sample-with-groups



> Add documentation about Stratified Sampling in general tips
> -----------------------------------------------------------
>
>                 Key: HIVEMALL-131
>                 URL: https://issues.apache.org/jira/browse/HIVEMALL-131
>             Project: Hivemall
>          Issue Type: Sub-task
>            Reporter: Makoto Yui
>            Assignee: Makoto Yui
>            Priority: Minor
>
> [Stratified Sampling|https://en.wikipedia.org/wiki/Stratified_sampling] using SQL is
valuable and should be documented.
> https://gist.github.com/myui/649c08cd2fb951e94eb4fa215eaf9df2
> https://stackoverflow.com/questions/30235542/sql-random-sample-with-groups



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