ty - 経済統計練習帳

var point = new Array();
var c = new Array();
 
function sample(){
 
point[1] = 1000;
for (s = 2; s < 51;s++ ){
point[s] = point[s - 1] + b();
}
 
 
 
maxc = 0;
for (s = 1; s < 51;s++ ){
if(point[s]>maxc)maxc=point[s];    
}
minc = maxc;
for (s = 1; s < 51;s++ ){
if(point[s]<minc)minc=point[s];    
}
 
 
    paint();
 
}
function b(){
 
r1 = 0;
for(sx=1;sx<61;sx++){
r1=r1+Math.random();
}
r1 = r1 - 30;
 
return r1;
}
 
 
function paint(){
 
var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
 
str=str+sub.rect(0,0,500,500,"blue");
for(s=1;s<50;s++){
c1 = 500 * (point[s]-minc) / (maxc-minc);
c2 = 500 * (point[s+1]-minc) / (maxc-minc);
str=str+sub.line(s*10,500-c1,s*10+10,500-c2,4,"red");    
} 
 
str=str+"</svg>";
 
$("#memo").html(str);   
 
}