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From "Makoto Yui (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVEMALL-57) Add convenient options to `feature_hashing` and `polynomial_feature`
Date Thu, 09 Feb 2017 02:59:41 GMT
Makoto Yui created HIVEMALL-57:
----------------------------------

             Summary: Add convenient options to `feature_hashing` and `polynomial_feature`
                 Key: HIVEMALL-57
                 URL: https://issues.apache.org/jira/browse/HIVEMALL-57
             Project: Hivemall
          Issue Type: Improvement
            Reporter: Makoto Yui
            Priority: Minor


feature_hashing should have options like ..

- feature_hashing(features,"-int") that returns array<int>
- feature_hashing(features,"-weight") that always includes feature weights

polynomial_features should have options like ..

- polynomial_features(features, "-succinct") that returns `xxx` instead of `xxx:1.0`, eliminating
`1.0`.



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