[GitHub] spark pull request: MLI-2: Start adding k-fold cross validation to...

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

Github user mengxr commented on a diff in the pull request:

    https://github.com/apache/spark/pull/18#discussion_r10174437
  
    --- Diff: mllib/src/main/scala/org/apache/spark/mllib/util/MLUtils.scala ---
    @@ -62,6 +67,20 @@ object MLUtils {
       }
     
       /**
    +   * Return a k element list of pairs of RDDs with the first element of each pair
    +   * containing a unique 1/Kth of the data and the second element contain the compliment of that. 
    +   */
    +  def kFold[T : ClassTag](rdd: RDD[T], folds: Int, seed: Int): List[Pair[RDD[T], RDD[T]]] = {
    --- End diff --
    
    folds -> numFolds?


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