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ASF GitHub Bot commented on HIVEMALL-253: ----------------------------------------- Solodye commented on issue #192: [HIVEMALL-253]UDF map_roulette() created URL: https://github.com/apache/incubator-hivemall/pull/192#issuecomment-491270414 Not at all~ @myui These two problems in my code are corrected. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > UDF map_roulette() created > -------------------------- > > Key: HIVEMALL-253 > URL: https://issues.apache.org/jira/browse/HIVEMALL-253 > Project: Hivemall > Issue Type: New Feature > Affects Versions: 0.6.0 > Reporter: Aaron Wong > Assignee: Makoto Yui > Priority: Major > > In data processing process, we usually encounter the problem that we have > some selection and their probably(or weight), we should select one of them > according to their probably(or weight). > UDF map_roulette() is a implement of roulette. It can select a Key from a map > according to key's weight value. -- This message was sent by Atlassian JIRA (v7.6.3#76005)