Examples of MatrixFile

edu.ucla.sspace.matrix.MatrixFile
An abstraction of a matrix that is stored on disk. This class provides convenient accessors to the contents of the data and allows other classes that operate on matrices to more easily handle matrix files as parameters and return arguments.

Examples of edu.ucla.sspace.matrix.MatrixFile


    public void factorize(SparseMatrix matrix, int dimensions) {
        try {
            File mFile = File.createTempFile("matlab-input", ".dat");
            MatrixIO.writeMatrix(matrix, mFile, Format.MATLAB_SPARSE);
            factorize(new MatrixFile(mFile, Format.MATLAB_SPARSE), dimensions);
        } catch (IOException ioe) {
            LOG.log(Level.SEVERE, "Converting to matlab file", ioe);
        }
    }

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Examples of edu.ucla.sspace.matrix.MatrixFile

     */
    public void factorize(SparseMatrix matrix, int dimensions) {
        try {
            File temp = File.createTempFile("svdlibc.svd.matrix", "dat");
            MatrixIO.writeMatrix(matrix, temp, Format.SVDLIBC_SPARSE_TEXT);
            MatrixFile mFile = new MatrixFile(temp, Format.SVDLIBC_SPARSE_TEXT);
            factorize(mFile, dimensions);
        } catch (IOException ioe) {
            throw new IOError(ioe);
        }
    }

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Examples of edu.ucla.sspace.matrix.MatrixFile


    public void factorize(SparseMatrix matrix, int dimensions) {
        try {
            File mFile = File.createTempFile("octave-input", ".dat");
            MatrixIO.writeMatrix(matrix, mFile, Format.MATLAB_SPARSE);
            factorize(new MatrixFile(mFile, Format.MATLAB_SPARSE), dimensions);
        } catch (IOException ioe) {
            LOG.log(Level.SEVERE, "Converting to matlab file", ioe);
        }
    }

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Examples of edu.ucla.sspace.matrix.MatrixFile

            format = Format.SVDLIBC_SPARSE_BINARY;
        } else
            System.exit(1);




        MatrixFile mFile = new MatrixFile(new File(options.getPositionalArg(0)),
                                          format);


        reducer.factorize(mFile, dimensions);


        File wordSpaceFile = new File(options.getStringOption('w'));

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Examples of edu.ucla.sspace.matrix.MatrixFile

        Format outputFormat = (options.hasOption('w')) 
            ? getFormat(options.getStringOption('w'))
            : Format.SVDLIBC_DENSE_TEXT;


        MatrixFactorization factorizer = SVD.getFastestAvailableFactorization();
        factorizer.factorize(new MatrixFile(matrixFile, inputFormat), dimensions);
        File uFile = new File(outputDir, "U.mat");
        MatrixIO.writeMatrix(factorizer.dataClasses(), uFile, outputFormat);
        File vFile = new File(outputDir, "V.mat");
        MatrixIO.writeMatrix(factorizer.classFeatures(), vFile, outputFormat);
    }

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Examples of edu.ucla.sspace.matrix.MatrixFile

    /**
     * {@inheritDoc}
     */
    public void processSpace(Properties properties) {
        try {
            MatrixFile processedSpace = processSpace(
                    new TfIdfTransform());
            wordSpace = MatrixIO.readMatrix(
                    processedSpace.getFile(), processedSpace.getFormat());
        } catch (IOException ioe) {
            throw new IOError(ioe);
        }
    }

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