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Posted to issues@hivemall.apache.org by "Makoto Yui (Jira)" <ji...@apache.org> on 2021/03/25 08:42:00 UTC
[jira] [Updated] (HIVEMALL-301) Implement tfidf UDF and remove
macros
[ https://issues.apache.org/jira/browse/HIVEMALL-301?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Makoto Yui updated HIVEMALL-301:
--------------------------------
Summary: Implement tfidf UDF and remove macros (was: Implement tfidf UDF)
> Implement tfidf UDF and remove macros
> -------------------------------------
>
> Key: HIVEMALL-301
> URL: https://issues.apache.org/jira/browse/HIVEMALL-301
> Project: Hivemall
> Issue Type: Improvement
> Reporter: Makoto Yui
> Assignee: Makoto Yui
> Priority: Minor
> Fix For: 0.6.2
>
>
> Currently, tdidf function is implemented as a macro.
> {code:java}
> create temporary macro tfidf(tf FLOAT, df_t DOUBLE, n_docs DOUBLE)
> tf * (log(10, n_docs / max2(1,df_t)) + 1.0);
> {code}
> Replace the implementation with UDF.
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