[GitHub] spark pull request: [ML] modify `validateParams` method of `org.ap...

[srowen <gi...@git.apache.org>]

Github user srowen commented on the pull request:

    https://github.com/apache/spark/pull/11382#issuecomment-189259310
  
    @endymecy your title and description are basically a repeat of the diff itself, in English. This is redundant. What is the motivation for the change? that's what you should set out in the description. Normally we'd ask for a JIRA for a functional change.


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