tokugawa - 経済統計練習帳

package bs;
 
 
public class pro {
 
    double[] beta=new double[11];
    double alpha;
    int datanumber;
    int number;
 double[] y=new double[500];
 double[] ys=new double[500];
 double[][] x=new double[500][4];
 
  double[] betas=new double[11];
 
  double[] d_beta=new double[11];
  double d_alpha;
 
  double[] vec_beta=new double[11];
  double vec_alpha;
 
  double[] e=new double[101];
 
  public static void main(String[] args) {
        pro t=new pro();
    }
    pro(){
 
        datanumber=100;
 
        number=2;
 
 
        int s;
 
        for(s=1;s<datanumber+1;s++){
        x[s][1]=2+Math.random();
        x[s][2]=-6+Math.random();
        y[s]=1;   
        }
 
        for(s=51;s<datanumber+1;s++){
        x[s][1]=-3+Math.random();
        x[s][2]=4+Math.random();
        y[s]=-1;   
        }
 
   for(s=1;s<datanumber+1;s++){
       e[s]=1;
       double r1=Math.random();
       int h=0;
       if(y[s]>0)h=h+1;
       if(r1>0.8)h=h+1;
       if(h==2)e[s]=-1;
        h=0;
       if(y[s]<0)h=h+1;
       if(r1>0.2)h=h+1;
       if(h==2)e[s]=-1;
        }
 
        faststep sub2=new faststep();
        sub2.x=x;
        sub2.datanumber=datanumber;
        sub2.number=number;
        sub2.y=e;
        sub2.makedata();
        alpha=sub2.alpha;
 beta=sub2.beta;
 
 
 
 
 
   optimal sub=new optimal();
        sub.x=x;
        sub.y=e;
        sub.alpha=alpha;
        sub.beta=beta;
        sub.number=number;
        sub.datanumber=datanumber;
        sub.makedata();
       alpha=sub.alpha;
        beta=sub.beta;
 
       for(s=1;s<101;s++){
        double xx=beta[2]*x[s][2]+beta[1]*x[s][1]+alpha;
        System.out.println(e[s]+"("+s+")"+(1/(1+Math.exp(-xx))));
       }
 
 
 
 
 
    }
 
 
 
 
 
 
}