Examples with DoubleMatrix2D cern.colt.matrix.tdouble.DoubleMatrix2D used on opensource projects

Example 26 with DoubleMatrix2D

use of cern.colt.matrix.tdouble.DoubleMatrix2D in project clusterMaker2 by RBVI.

the class ColtOps method correlation.

public Matrix correlation() {
    DoubleMatrix2D data = DoubleFactory2D.dense.make(getData().toArray());
    DoubleMatrix2D matrix2D = DoubleStatistic.covariance(data);
    matrix2D = DoubleStatistic.correlation(matrix2D);
    return matrix.copyDataFromMatrix(matrix2D);
}

Example 27 with DoubleMatrix2D

use of cern.colt.matrix.tdouble.DoubleMatrix2D in project clusterMaker2 by RBVI.

the class ColtOps method covariance.

public Matrix covariance() {
    // We want a dense matrix for this
    DoubleMatrix2D data = DoubleFactory2D.dense.make(getData().toArray());
    DoubleMatrix2D matrix2D = DoubleStatistic.covariance(data);
    return matrix.copyDataFromMatrix(matrix2D);
}

Example 28 with DoubleMatrix2D

use of cern.colt.matrix.tdouble.DoubleMatrix2D in project clusterMaker2 by RBVI.

the class ColtOps method subtractScalar.

/**
 * subtract a value from all cells in the matrix
 *
 * @param value to subtract from each cell
 */
public void subtractScalar(double value) {
    DoubleMatrix2D data = getData();
    data.forEachNonZero(new IntIntDoubleFunction() {

        public double apply(int row, int column, double v) {
            return v - value;
        }
    });
}

Example 29 with DoubleMatrix2D

use of cern.colt.matrix.tdouble.DoubleMatrix2D in project clusterMaker2 by RBVI.

the class SimpleOps method correlation.

public Matrix correlation() {
    DoubleMatrix2D matrix2D = DoubleStatistic.covariance(getColtMatrix());
    matrix2D = DoubleStatistic.correlation(matrix2D);
    return matrix.copyDataFromMatrix(matrix2D);
}

Example 30 with DoubleMatrix2D

use of cern.colt.matrix.tdouble.DoubleMatrix2D in project clusterMaker2 by RBVI.

the class SimpleOps method getColtMatrix.

public DoubleMatrix2D getColtMatrix() {
    DoubleMatrix2D mat = DoubleFactory2D.dense.make(matrix.nRows(), matrix.nColumns());
    mat.assign(matrix.toArray());
    return mat;
}