histogramjs/test.js

Simple histogram sorting

var histogram = require('./histogram')

var linspace = function linspace(a,b,n) {
    if(typeof n === "undefined") n = Math.max(Math.round(b-a)+1,1);
    if(n<2) { return n===1?[a]:[]; }
    var i,ret = Array(n);
    n--;
    for(i=n;i>=0;i--) { ret[i] = (i*b+(n-i)*a)/n; }
    return ret;
}

var 
	x = linspace(0, 12, 100),
	y = [],
	num;

for(var i = 0; i < 2000; i ++){
	num = - Math.log(Math.random())
	y.push(num)
}

var data = histogram({
	data : y,
	i : x.length,
	bins : x
})

for(var i = 0; i < data.length; i ++){
	console.log('[' + data[i].x + ',' +  data[i].y + '],')
}