Example usage for weka.core.matrix Matrix write

Introduction

In this page you can find the example usage for weka.core.matrix Matrix write.

Prototype

public void write(Writer w) throws Exception 

Source Link

Document

Writes out a matrix.

Usage

From source file:org.mitre.ccv.CompleteCompositionVectorMain.java

License:Open Source License

/**
 * Write out the distance matrix to the given BufferedWriter.
 * //  ww w. j  av a2 s .co  m
 * @param dm the DistanceMatrix.
 * @param bw the BufferedWriter to write distance to.
 *
 */
public void writeDistanceMatrix(DistanceMatrix dm, BufferedWriter bw) throws IOException {

    double[][] mVals = dm.getClonedDistances();
    Matrix m = new Matrix(mVals);
    /** was when this was writeSimilarityMatrix
    if (distCalc == 1 || distCalc == 3) {
    m = m.times(-1.0);
    } else if (distCalc == 2 || distCalc == 4) {
    Matrix o = new Matrix(m.getRowDimension(), m.getColumnDimension(), 1.0);
    m = o.minus(m);
    }
    */
    try {
        m.write(bw);
        // Write the matrix to the file.
        /**
        bw.write(this.distCalc.toString() + "\n");
        for (int i = 0; i < m.getRowDimension(); i++) {
        for (int j = 0; j < m.getColumnDimension(); j++) {
                
            String s = String.format("%03d\t%03d\t%f\n", i + 1, j + 1, m.get(i, j));
                
            bw.write(s);
        }
        }
         */
        bw.close();

    } catch (Exception ex) {
        throw new IOException(ex.getMessage());
    }
}

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