hg - 経済統計練習帳

package ml;
 
import org.apache.commons.math3.stat.correlation.Covariance;
import org.apache.commons.math3.linear.*;
 
public class pro {
 
    RealMatrix mat;
 
    public static void main(String[] args) {
       pro test=new pro();
    }
 
    pro(){
 
 
 
 
        double[][] x1=new double[500][2];
        double[][] y1=new double[2][2];
 
        int s;
 
        for(s=0;s<500;s++){
        x1[s][0]=Math.random();
        x1[s][1]=Math.random();
        }
 
 
        Covariance v=new Covariance(x1);
        mat= v.getCovarianceMatrix();
 
        y1=mat.getData();
 
        System.out.println(y1[0][1]);
 
        System.out.println(y1[1][1]);
 
 
    }
}