package math; import org.apache.commons.math3.stat.regression.*; public class pro { public static void main(String[] args) { pro test=new pro(); } pro(){ OLSMultipleLinearRegression regression = new OLSMultipleLinearRegression(); double y[]=new double[4]; double x[][]=new double[4][2]; y[0]=1; y[1]=2; y[3]=3; y[2]=4; x[1][0]=1; x[1][1]=2; x[2][0]=1; x[2][1]=3; x[3][0]=1; x[3][1]=4; x[0][0]=1; x[0][1]=5; regression.newSampleData(y,x); } }