21x21v21 - 経済統計練習帳

var p1;
var point=new Array();
 
function sample(){
 
for(m=1;m<100;m++){
p1=0.01*m;
n2=0;
for(s=1;s<10001;s++){   
n1=0;    
for(sx=1;sx<21;sx++){
if(Math.random()<p1)n1=n1+1;    
}
if(n1==12)n2=n2+1;
}
point[m]=n2;
}
 
paint();  
 
 
 
 
}
 
function paint(){
 
var sub=new svgpaint();
 
var maxc = 0;
for(s=1;s<100;s++){
if(point[s]>maxc)maxc=point[s];    
} 
 
str="<svg width=\"500\" height=\"500\">";
for(s=1;s<100;s++){ 
x1=500*point[s]/maxc
str=str+sub.rect(5*s,500-x1,5,x1,"blue");    
}
str=str+sub.line(0,0,0,500,3,"red");
str=str+sub.line(0,500,500,500,3,"red");
str=str+"</svg>";
 
$("#memo").html(str);   
 
}