- DataDAO - Class in librec.data
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A data access object (DAO) to a data file
- DataDAO(String, BiMap<String, Integer>, BiMap<String, Integer>) - Constructor for class librec.data.DataDAO
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Constructor for a data DAO object
- DataDAO(String) - Constructor for class librec.data.DataDAO
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Contructor for data DAO object
- DataDAO(String, BiMap<String, Integer>) - Constructor for class librec.data.DataDAO
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Contructor for data DAO object
- DataSplitter - Class in librec.data
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Class to split/sample rating matrix
- DataSplitter(SparseMatrix, int) - Constructor for class librec.data.DataSplitter
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Construct a data splitter to split a given matrix into kfolds
- DataSplitter(SparseMatrix) - Constructor for class librec.data.DataSplitter
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Construct a data splitter with data source of a given rate matrix
- DenseMatrix - Class in librec.data
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Data Structure: dense matrix
A big reason that we do not adopt original DenseMatrix from M4J libraray is
because the latter using one-dimensional array to store data, which will
often cause OutOfMemory exception due to the limit of maximum length of a
one-dimensional Java array.
- DenseMatrix(int, int) - Constructor for class librec.data.DenseMatrix
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Construct a dense matrix with specified dimensions
- DenseMatrix(double[][]) - Constructor for class librec.data.DenseMatrix
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Construct a dense matrix by copying data from a given 2D array
- DenseMatrix(DenseMatrix) - Constructor for class librec.data.DenseMatrix
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Construct a dense matrix by copying data from a given matrix
- DenseVector - Class in librec.data
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Data Structure: dense vector
- DenseVector(int) - Constructor for class librec.data.DenseVector
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Construct a dense vector with a specific size
- DenseVector(double[]) - Constructor for class librec.data.DenseVector
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Construct a dense vector by deeply copying data from a given array
- DenseVector(double[], boolean) - Constructor for class librec.data.DenseVector
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Construct a dense vector by copying data from a given array
- DenseVector(DenseVector) - Constructor for class librec.data.DenseVector
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Construct a dense vector by deeply copying data from a given vector