Package edu.ucla.sspace.matrix

Interface Summary

Interface	Description
AffinityMatrixCreator	A functional class that given a matrix or matrix file, computes the affinity matrix for the rows in that matrix.
AtomicMatrix	An interface for any Matrix which wants to support atomic behavior.
FileTransformer	An interface for transforming matrix files of a particular format.
GlobalTransform	An interface for matrix transformations.
Matrix	An interface specification for interacting with Matrix objects.
MatrixBuilder	An interface for utilities that support incrementally building matrices on disk, one column at a time.
MatrixEntry	An abstraction of the entries in a matrix.
MatrixFactorization	An interface for any algorithm that decomposes a Matrix into two sub Matrixs that are linked by some form of latent variable.
SparseMatrix	An interface for sparse Matrix implementations whose backing data storage permits accessing rows and columns with SparseVector objects.
Transform	An interface for Matrix transformations.

Class Summary

Class	Description
AbstractMatrix	An abstract Matrix class that provides common implementations for generic matrix operations.
ArrayMatrix	A Matrix backed by an array.
AtomicGrowingMatrix	A concurrent, thread-safe, growable Matrix class.
AtomicGrowingSparseHashMatrix	A concurrent, thread-safe, growable SparseMatrix class that is optimized for operations only access one value of the matrix at a time.
AtomicGrowingSparseMatrix	A concurrent, thread-safe, growable SparseMatrix class.
BaseTransform	An abstract Transform implemenation that most transforms can extend.
CellMaskedMatrix	This Matrix decorator allows every row and column index to be remapped to new indices.
CellMaskedSparseMatrix	This SparseMatrix decorator allows every row and column index to be remapped to new indices.
ClutoDenseMatrixBuilder	A MatrixBuilder for building dense cluto matrix input files.
ClutoSparseMatrixBuilder	A MatrixBuilder for building sparse cluto matrix input files.
CorrelationTransform	Transforms a matrix using row correlation weighting.
DiagonalMatrix	A special-case Matrix implementation for diagonal matrices.
GrowingSparseMatrix	A growing sparse Matrix based on the Yale Sparse Matrix Format.
LocalityPreservingProjection	A Java wrapper around the Matlab implementation of the Spectral Regression form of Locality Preserving Projection (LPP), which is a linear-time subspace projection.
LogEntropyTransform	Transforms a matrix using log-entropy weighting.
LogLikelihoodTransform	Transforms a matrix using the log-likelihood weight.
MatlabSparseFileTransformer	A FileTransformer for matrix files in the Format#MATLAB_SPARSE format.
MatlabSparseMatrixBuilder	A MatrixBuilder implementation for creating matrix files in the Matlab&cp; sparse matrix format.
Matrices	A class of static methods for manipulating and creating Matrix instances.
MatrixFile	An abstraction of a matrix that is stored on disk.
MatrixIO	A shared utility for printing matrices to files in a uniform manner and converting between different formats.
MinSimilarityAffinityMatrixCreator	This AffinityMatrixCreator adds an edge between two data points, i and j, if the similarity between them is above a certain threshold.
NearestNeighborAffinityMatrixCreator	This AffinityMatrixCreator adds an edge added between two data points, i and j, if j is in the k nearest neighbors of i.
Normalize	A collection of normalization techniques available on a Matrix.
NoTransform	Performs no transform on the input matrix.
OnDiskMatrix	A Matrix implementation that uses a binary file to read and write Returns a copy of the specified rowvalues of the matrix.
PointWiseMutualInformationTransform
RowComparator	A utility class for finding the k most-similar words to a provided row in a Matrix.
RowMagnitudeTransform	Tranforms a matrix by the row magnitudes.
RowMaskedMatrix	A tiled view of a Matrix instance where selected rows of the instance a represented as a single, contiguous matrix.
RowScaledMatrix	A decorator over Matrixs.
RowScaledSparseMatrix	A decorator over SparseMatrixs.
SparseHashMatrix	A SparseMatrix backed by vectors that provide amortized O(1) access to their elements.
SparseOnDiskMatrix	A SparseMatrix implementation that uses a binary file to read and write.
SparseRowMaskedMatrix	A tiled view of a SparseMatrix instance where selected rows of the instance a represented as a single, contiguous matrix.
SparseSymmetricMatrix	A decorator around a SparseMatrix that keeps only the upper triangular values while providing a symmetric view of the data.
Statistics	This class provides some simple statistical evaluation methods over a matrix.
SVD	A utililty class for invoking different implementations of the Singular Value Decomposition (SVD).
SvdlibcSparseBinaryMatrixBuilder	A MatrixBuilder implementation for creating matrix files in the SVDLIBC sparse binary matrix format.
SvdlibjDriver	A wrapper around SVDLIBJ that allows Matrix objects and arbitrarily formatted matrix files to use the SVDLIBJ library.
SymmetricMatrix	A symmetric dense matrix that only stores the values of the lower triangular.
SynchronizedMatrix	A Matrix decorator class that provides thread safe access to a backing Matrix instance.
SynchronizedSparseMatrix	A SparseMatrix decorator class that provides thread safe access to a backing SparseMatrix instance.
TfIdfDocStripedTransform	Tranforms a matrix according to the Term frequency-Inverse Document Frequency weighting.
TfIdfTransform	Tranforms a matrix according to the Term frequency-Inverse Document Frequency weighting.
TransformStatistics	A static utility class used for gather statistics that are frequently used in matrix Transform implementations.
TransformStatistics.MatrixStatistics	A struct recording the row, column, and matrix summations as doubles.
TransposedMatrix	A Matrix decorator class that tranposes the data in the backing matrix.
YaleSparseMatrix	A sparse Matrix based on the Yale Sparse Matrix Format, as implemented in CompactSparseVector.

Enum Summary

Enum	Description
Matrix.Type	The type of Matrix instance.
MatrixIO.Format	An enum that specifies the formatting used for the matrix that is serialized in a file.
Statistics.Dimension	The dimension over which the statistic should be evaluated.
SVD.Algorithm	Which algorithm to use for computing the Singular Value Decomposition (SVD) of a matrix.

Exception Summary

Exception	Description
MatrixIOException	An exception indicating that some error has occurred during reading or writing of a matrix file.