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## G

gammaDistribution(double, double, int) - Static method in class prea.util.Distribution
  Randomly sample several points from Gamma Distribution with the given parameters.
gammaRandom(double, double) - Static method in class prea.util.Distribution
  Randomly sample 1 point from Gamma Distribution with the given parameters.
get(Key) - Method in class prea.data.structure.DataMap
  Get a data value by the given key.
getAsymmetricLoss() - Method in class prea.util.EvaluationMetrics
  Getter method for Asymmetric loss
getCol(int) - Method in class prea.data.structure.DenseMatrix
  Return a copy of a given column.
getCol(int) - Method in class prea.data.structure.SparseMatrix
  Return a copy of a given column.
getColRef(int) - Method in class prea.data.structure.DenseMatrix
  Return a reference of a given column.
getColRef(int) - Method in class prea.data.structure.SparseMatrix
  Return a reference of a given column.
getEstimation(int, int[]) - Method in class prea.recommender.etc.FastNPCA
  Estimate of ratings for a given user and a set of test items.
getEstimation(int, int[]) - Method in class prea.recommender.etc.NonlinearPMF
  Estimate of ratings for a given user and a set of test items.
getEstimation(SparseMatrix) - Method in class prea.recommender.etc.RankBased
  Estimate ratings for (user, item) pairs in test data matrix.
getEstimation(int, int[]) - Method in class prea.recommender.etc.SlopeOne
  Estimate of ratings for a given user and a set of test items.
getHLU() - Method in class prea.util.EvaluationMetrics
  Getter method for Rank-based Half-life score
getItemRateAverage() - Method in class prea.data.splitter.DataSplitManager
  Getter method for average of each item's rating.
getKendall() - Method in class prea.util.EvaluationMetrics
  Getter method for Rank-based Kendall's Tau
getKthFold(int) - Method in class prea.data.splitter.KfoldCrossValidation
  Return the k-th fold as test set (testMatrix), making all the others as train set in rateMatrix.
getMAE() - Method in class prea.util.EvaluationMetrics
  Getter method for Mean Absolute Error (MAE)
getMatrix() - Method in class prea.data.structure.DenseMatrix
  Get an UJMP matrix.
getMSE() - Method in class prea.util.EvaluationMetrics
  Getter method for Mean Squared Error (MSE)
getNDCG() - Method in class prea.util.EvaluationMetrics
  Getter method for Rank-based NDCG
getNMAE() - Method in class prea.util.EvaluationMetrics
  Getter method for Normalized Mean Absolute Error (NMAE)
getRMSE() - Method in class prea.util.EvaluationMetrics
  Getter method for Root of Mean Squared Error (RMSE)
getRow(int) - Method in class prea.data.structure.DenseMatrix
  Return a copy of a given row.
getRow(int) - Method in class prea.data.structure.SparseMatrix
  Return a copy of a given row.
getRowRef(int) - Method in class prea.data.structure.DenseMatrix
  Return a reference of a given row.
getRowRef(int) - Method in class prea.data.structure.SparseMatrix
  Return a reference of a given row.
getSpearman() - Method in class prea.util.EvaluationMetrics
  Getter method for Rank-based Spearman score
getTestMatrix() - Method in class prea.data.splitter.DataSplitManager
  Getter method for rating matrix with test data.
getUserRateAverage() - Method in class prea.data.splitter.DataSplitManager
  Getter method for average of each user's rating.
getValue(int, int) - Method in class prea.data.structure.DenseMatrix
  Retrieve a stored value from the given index.
getValue(int) - Method in class prea.data.structure.DenseVector
  Retrieve a stored value from the given index.
getValue(int, int) - Method in class prea.data.structure.SparseMatrix
  Retrieve a stored value from the given index.
getValue(int) - Method in class prea.data.structure.SparseVector
  Retrieve a stored value from the given index.
getVector() - Method in class prea.data.structure.DenseVector
  Get an UJMP matrix.
GRADFACT - Static variable in class prea.recommender.etc.NonlinearPMF

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