+ function Data() {
+ var zp = function(x) { if (x < 10) return "0"+x; else return x; };
+ var r = "date,parabola,line,another line,sine wave\n";
+ for (var i=1; i<=31; i++) {
+ r += "200610" + zp(i);
+ r += "," + 10*(i*(31-i));
+ r += "," + 10*(8*i);
+ r += "," + 10*(250 - 8*i);
+ r += "," + 10*(125 + 125 * Math.sin(0.3*i));
+ r += "\n";
+ }
+ return r;
+ }
+