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From NarineK <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-11696] [ML, MLlib] Optimization: Extend...
Date Fri, 13 Nov 2015 11:54:00 GMT
Github user NarineK commented on the pull request:

    https://github.com/apache/spark/pull/9667#issuecomment-156410369
  
    Hi there,
    
    If we want to have many output variables, we'll need to add wrapper class e.g. OptimizeResult
which will embrace all those output variables.
    Since LBFGS is using breeze's implementation, we are partially limited to what breeze
will offer to us. E.g. we can still add gradient, hessian or it's inverse to the output. 
    Let me know what do you think about it.
    
    Thanks,
    Narine 


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