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## K

K - Variable in class prea.recommender.etc.FastNPCA
K_FOLD_CROSS_VALIDATION - Static variable in class prea.data.splitter.DataSplitManager
  Evaluation with K-fold cross-validation.
kendallsTau - Variable in class prea.util.EvaluationMetrics
  Rank-based Kendall's Tau
kernCompute(DenseMatrix, DenseMatrix, boolean) - Method in class prea.recommender.etc.NonlinearPMF
  Compute kernel parameters for vectors in matrix X1 and vectors in matrix X2.
kernelWidth - Variable in class prea.recommender.etc.RankBased
  Kernel bandwidth.
kernParam - Variable in class prea.recommender.etc.NonlinearPMF
  kernel parameter value
kernParamNum - Variable in class prea.recommender.etc.NonlinearPMF
  kernel parameter number
KfoldCrossValidation - Class in prea.data.splitter
  This class implements K-fold cross-validation.
KfoldCrossValidation(SparseMatrix, int, int, int) - Constructor for class prea.data.splitter.KfoldCrossValidation
  Construct an instance for K-fold cross-validation.
kLargest(double[], int[], int, int, int) - Static method in class prea.util.Sort
  Return k largest elements (sorted) and their indices from a given array.
kSmallest(double[], int[], int, int, int) - Static method in class prea.util.Sort
  Return k smallest elements (sorted) and their indices from a given array.

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