ｘ - 経済統計練習帳

package lupin;
 
public class mono{
 
    double[] shop=new double[101];
   double[] sale=new double[101];
    int s,sx;
      double[] v=new double[101];
    double beta;
 
   void makedata(){ 
 
       beta=0.5;
 
    for(s=1;s<101;s++){
    shop[s]=100*Math.random();
    v[s]=seekv(s);
    }
 
    double d1;
 
    int tr;
    tr=0;
    while(tr<100){
 
    for(s=1;s<101;s++){
    d1=0;
    for(sx=1;sx<101;sx++){
    d1=d1+d(sx,s);
    }
    sale[s]=d1;
    }    
 
 
    for(s=1;s<101;s++){
    shop[s]=0.9*shop[s]+0.1*sale[s];
    }
 
    for(s=1;s<101;s++){
    v[s]=seekv(s);;
    }
 
    tr=tr+1;
 
    }
 
 
 
 
 
 
   }
 
   double seekv(int s){
   int sx,s1;
   double v1;
       v1=0;
       for(sx=1;sx<100;sx++){
       s1=sx-s;
       if(s1<0)s1=-s1;
       v1=v1+Math.pow(beta,s1)*shop[sx];
       }
   return v1;
 
   }
 
  double d(int s1,int s2){
   int sx;
      double d1,d2,x1;
      d1=0;
      for(sx=1;sx<101;sx++){
      d1=d1+v[sx]/(met(s1,sx)+1);
      }
 
      d2=v[s2]/(met(s1,s2)+1);
 
      x1=100*d2/d1;
      return x1;
 
} 
 
double met(int s1,int s2){
   double x1;
 
x1=(s1-s2)*(s1-s2);   
 
x1=Math.sqrt(x1);
 
return x1;
}
}
 
 
 
 
 
package lupin;
 
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.scene.image.Image;
import java.io.File;
import static javafx.application.Application.launch;
import javafx.scene.image.ImageView;
 import javafx.scene.Group;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.paint.Color;
import javafx.scene.shape.*;
 
 
import javafx.scene.input.MouseEvent;
 
public class pro extends Application {
 
GraphicsContext gc;    
Circle cir;
  double[] sale=new double[101];
 
    public static void main(String[] args) {
        launch(args);
    }
 
 
 
    @Override
    public void start(Stage primaryStage) {
 
 
Canvas canvas = new Canvas(500,500);
gc = canvas.getGraphicsContext2D();
canvas.setLayoutX(50);
canvas.setLayoutY(50);
 
 
 
mono sub=new mono();
sub.makedata();
sale=sub.sale;
 
int s;
gc.setFill(Color.WHITE);
gc.fillRect(0,0,400,400);
 
double maxs,mins;
 
maxs=0;
for(s=1;s<101;s++){
if(sale[s]>maxs)maxs=sale[s];
}
 
mins=6000;
for(s=1;s<101;s++){
if(sale[s]<mins)mins=sale[s];
}
 
 
double x1;
 
gc.setFill(Color.RED);
for(s=1;s<101;s++){
x1=500*(sale[s]-mins)/(maxs-mins);
gc.fillRect(5*s,500-x1,5,x1);
}
 
 
 
Group root = new Group();
Scene scene = new Scene(root, 700, 700);    
root.getChildren().add(canvas);
 
        primaryStage.setTitle("練習");
        primaryStage.setScene(scene);
        primaryStage.show();
 
 
    }
 
 
}