R5099/test_random_normal_distr.html
606e5358fde2master

test_random_normal_distr.html
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			<!DOCTYPE html>

			<html>
			<head>
			<script src="https://d3js.org/d3.v4.min.js"></script>
			<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>

			</head>

			<div id="tester" style="width:600px;height:250px;"></div>


			<body>
			<script>

			var random_numbers=[];

			function random_from_normal_distribution(mean, variance) {

			var u1 = Math.random(); // should belong to ]0,1]
			if (u1==0){
			u1=1;
			}

			var u2 = Math.random(); // should belong to ]0,1]
			if (u2==0){
			u2=1;
			}
			theta=23.14u2;
			var r= Math.sqrt(-2*Math.log(u1));
			var x=r*Math.cos(theta);
			var y=r*Math.sin(theta);

			x = mean + Math.sqrt(variance) * x;
			// return only one of the two normal random variable generated
			return x;
			}

			for (var i=1; i<1000; i++){
			rand=1/random_from_normal_distribution(150, 0.05*150);
			random_numbers.push(rand);
			}

			var data = [
			{
			y: random_numbers,
			type: 'histogram',
			marker: {
			color: 'blue',
			},
			}
			];

			TESTER = document.getElementById('tester');

			Plotly.newPlot(TESTER, data);

			</script>
			</body>

			</html>