[jira] [Created] (SPARK-10230) LDA public API should use docConcentration

["Feynman Liang (JIRA)" <ji...@apache.org>]

Feynman Liang created SPARK-10230:
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             Summary: LDA public API should use docConcentration
                 Key: SPARK-10230
                 URL: https://issues.apache.org/jira/browse/SPARK-10230
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
            Reporter: Feynman Liang
            Priority: Minor


{{alpha}} is provided as an alias to {{docConcentration}} because it is commonly used in literature. However, we should prefer {{docConcentration}} since it is unambiguous what we mean.

The public API currently uses {{ {get,set}OptimizeAlpha}} but should instead use {{ {get,set}OptimizeDocConcentration}}. We should also probably deprecate any public API's using {{alpha}} directly and refer users to the corresponding {{docConcentration}} methods.



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