Example usage for org.apache.commons.math3.stat.regression AbstractMultipleLinearRegression newSampleData

Introduction

In this page you can find the example usage for org.apache.commons.math3.stat.regression AbstractMultipleLinearRegression newSampleData.

Prototype

public void newSampleData(double[] data, int nobs, int nvars) 

Source Link

Document

Loads model x and y sample data from a flat input array, overriding any previous sample.

Usage

From source file:msi.gama.util.GamaRegression.java

public GamaRegression(final IScope scope, final GamaFloatMatrix data, final String method) throws Exception {
    AbstractMultipleLinearRegression regressionMethod = null;
    if (method.equals("GLS"))
        regressionMethod = new GLSMultipleLinearRegression();
    else/*  www.j  av  a 2s  . com*/
        regressionMethod = new OLSMultipleLinearRegression();
    final int nbFeatures = data.numCols - 1;
    final int nbInstances = data.numRows;
    final double[] instances = new double[data.numCols * data.numRows];
    for (int i = 0; i < data.length(scope); i++) {
        instances[i] = data.getMatrix()[i];
    }
    regressionMethod.newSampleData(instances, nbInstances, nbFeatures);
    param = regressionMethod.estimateRegressionParameters();
}

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