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C

cf - Static variable in class librec.intf.Recommender
Static parameters for all recommenders
cholesky() - Method in class librec.data.DenseMatrix
 
CLiMF - Class in librec.ranking
Shi et al., Climf: learning to maximize reciprocal rank with collaborative less-is-more filtering., RecSys 2012.
CLiMF(SparseMatrix, SparseMatrix, int) - Constructor for class librec.ranking.CLiMF
 
clone() - Method in class librec.data.DenseMatrix
Make a deep copy of current matrix
clone() - Method in class librec.data.DenseVector
Make a deep copy of current vector
clone() - Method in class librec.data.DiagMatrix
 
clone() - Method in class librec.data.SparseMatrix
Make a deep clone of current matrix
clone() - Method in class librec.data.SymmMatrix
Make a deep copy of current matrix
colMult(DenseMatrix, int, DenseMatrix, int) - Static method in class librec.data.DenseMatrix
column x column of two matrix
column(int) - Method in class librec.data.DenseMatrix
 
column() - Method in interface librec.data.MatrixEntry
Returns the current column index
column(int) - Method in class librec.data.SparseMatrix
get a col sparse vector of a matrix
columnMean(int) - Method in class librec.data.DenseMatrix
Compute mean of a column of the current matrix
columns() - Method in class librec.data.SparseMatrix
 
columnSize(int) - Method in class librec.data.SparseMatrix
query the size of a specific col
columnZeros(int) - Method in class librec.data.SparseMatrix
get a list of entries (for a specific column) with values 0
ConstantGuess - Class in librec.baseline
Baseline: predict by a constant rating
ConstantGuess(SparseMatrix, SparseMatrix, int) - Constructor for class librec.baseline.ConstantGuess
 
contains(int) - Method in class librec.data.SparseVector
Check if a vector contains a specific index
cov() - Method in class librec.data.DenseMatrix
 
cvtFirstLines(String, String) - Method in class librec.data.DataConvertor
Source File Format:
First Line: UserID Sep #Ratings
Other Lines: ItemID Sep2 Rating
cvtSeparator(String, String) - Method in class librec.data.DataConvertor
Convert a data file separated by sep to a data file separated by toSep
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