ponponx - 経済統計練習帳

var c = new Array();
 
function sample(){
 
    n = 5;
    p = 0.5;
 
    for (s = 0; s < 6;s++ ){
        c[s] = 0; 
    }
 
        for (tr = 1; tr < 10000; tr++) {
            x = 0;
            for (s = 1; s < n + 1; s++) {
                if (Math.random() < p) x = x + 1;
            }
            c[x] = c[x] + 1;
        }
 
        paint();
 
 
 
}
 
 
function paint(){
 
var sub=new svgpaint();
 
var maxc = 0;
for(s=0;s<6;s++){
if(c[s]>maxc)maxc=c[s];    
} 
 
str="<svg width=\"500\" height=\"500\">";
for(s=0;s<6;s++){ 
x1=500*c[s]/maxc
str=str+sub.rect(90*s,500-x1,90,x1,"blue");    
}
str=str+"</svg>";
 
$("#memo").html(str);   
 
}