Petr Bespechnyi pbespechnyi

## belay-js-example.html
<!DOCTYPE html>
<html>
<head>
  <title>SVG Lines</title>
  <script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
  <script src="belay.js"></script>
  <link rel="stylesheet" type="text/css" href="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
  <style>

  body{

## functions.js
// derived from http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm

function map() {
    emit(1, // Or put a GROUP BY key here
         {sum: this.value, // the field you want stats for
          min: this.value,
          max: this.value,
          count:1,
          diff: 0, // M2,n:  sum((val-mean)^2)
    });
	<!DOCTYPE html>
	<html>
	<head>
	<title>SVG Lines</title>
	<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
	<script src="belay.js"></script>
	<link rel="stylesheet" type="text/css" href="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
	<style>

	body{
	// derived from http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm

	function map() {
	emit(1, // Or put a GROUP BY key here
	{sum: this.value, // the field you want stats for
	min: this.value,
	max: this.value,
	count:1,
	diff: 0, // M2,n: sum((val-mean)^2)
	});