[GitHub] incubator-spark pull request: MLI-2: Add k-fold cross validation t...

Mon, 10 Feb 2014 11:29:33 -0800 

Github user holdenk commented on the pull request:

    https://github.com/apache/incubator-spark/pull/572#issuecomment-34671873
  
    Sure, I'll take a look at that tonight. From the earlier pull request that
    was abandoned someone had asked that its PartionedRDD (which only did it
    for k=2) be in the core rather than mllib.
    
    
    On Mon, Feb 10, 2014 at 11:04 AM, Xiangrui Meng 
<[email protected]>wrote:
    
    > @holdenk <https://github.com/holdenk> , the PartitionwiseSampledRDD was
    > designed with this use case in mind. Both the folded RDD and its 
complement
    > can be represented by PartitionwiseSampledRDD with BernoulliSamplers. Do
    > you mind modifying your code to use it? Also, cross-validation is a 
machine
    > learning specific operation. spark.rdd.RDD may not be a good place for it.
    >
    > --
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