[jira] [Created] (SPARK-23109) CLONE - ML 2.2 QA: API: Python API coverage

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

Joseph K. Bradley created SPARK-23109:
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             Summary: CLONE - ML 2.2 QA: API: Python API coverage
                 Key: SPARK-23109
                 URL: https://issues.apache.org/jira/browse/SPARK-23109
             Project: Spark
          Issue Type: Sub-task
          Components: Documentation, ML, PySpark
            Reporter: Joseph K. Bradley
            Assignee: Nick Pentreath
             Fix For: 2.2.0


For new public APIs added to MLlib ({{spark.ml}} only), we need to check the generated HTML doc and compare the Scala & Python versions.
* *GOAL*: Audit and create JIRAs to fix in the next release.
* *NON-GOAL*: This JIRA is _not_ for fixing the API parity issues.

We need to track:
* Inconsistency: Do class/method/parameter names match?
* Docs: Is the Python doc missing or just a stub?  We want the Python doc to be as complete as the Scala doc.
* API breaking changes: These should be very rare but are occasionally either necessary (intentional) or accidental.  These must be recorded and added in the Migration Guide for this release.
** Note: If the API change is for an Alpha/Experimental/DeveloperApi component, please note that as well.
* Missing classes/methods/parameters: We should create to-do JIRAs for functionality missing from Python, to be added in the next release cycle.  *Please use a _separate_ JIRA (linked below as "requires") for this list of to-do items.*




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