[jira] [Created] (SPARK-10595) Various ML programming guide cleanups post 1.5

["Joseph K. Bradley (JIRA)" <ji...@apache.org>]

Joseph K. Bradley created SPARK-10595:
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             Summary: Various ML programming guide cleanups post 1.5
                 Key: SPARK-10595
                 URL: https://issues.apache.org/jira/browse/SPARK-10595
             Project: Spark
          Issue Type: Documentation
          Components: Documentation, ML, MLlib
    Affects Versions: 1.5.0
            Reporter: Joseph K. Bradley
            Assignee: Joseph K. Bradley
            Priority: Minor


Various ML guide cleanups.

* ml-guide.md: Make it easier to access the algorithm-specific guides.
* LDA user guide: EM often begins with useless topics, but running longer generally improves them dramatically.  E.g., 10 iterations on a Wikipedia dataset produces useless topics, but 50 iterations produces very meaningful topics.
* mllib-feature-extraction.html#elementwiseproduct: “w” parameter should be “scalingVec”
* Clean up Binarizer user guide a little.
* Document in Pipeline that users should not put an instance into the Pipeline in more than 1 place.
* spark.ml Word2Vec user guide: clean up grammar/writing
* Chi Sq Feature Selector docs: Improve text in doc.




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