[GitHub] [spark] huaxingao commented on pull request #28595: [SPARK-31781][ML][PySpark] Move param k (number of clusters) to shared params

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huaxingao commented on pull request #28595:
URL: https://github.com/apache/spark/pull/28595#issuecomment-632251801


   Actually the param in ALS is called ```rank``` instead of ```k```. 
   I am a little hesitant to reuse ```k``` in RankingEvaluator because it has a totally different meaning. I can override it, though.


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