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<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8">
<script>
window.onload = function () {
var chart = new CanvasJS.Chart("chartContainer", {
title:{
text: "Popular Fast Food Chains"
},
axisY: {
title: "Number of Locations",
lineColor: "#4F81BC",
tickColor: "#4F81BC",
labelFontColor: "#4F81BC"
},
axisY2: {
title: "Percent",
suffix: "%",
lineColor: "#C0504E",
tickColor: "#C0504E",
labelFontColor: "#C0504E"
},
data: [{
type: "column",
dataPoints: [
{ label: "Subways", y: 44853 },
{ label: "McDonald", y: 36525 },
{ label: "Starbucks", y: 23768 },
{ label: "KFC", y: 19420 },
{ label: "Pizza Hut", y: 13528 },
{ label: "Dunkin Donuts", y: 11906 }
]
}]
});
chart.render();
createPareto();
function createPareto(){
var dps = [];
var yValue, yTotal = 0, yPercent = 0;
for(var i = 0; i < chart.data[0].dataPoints.length; i++)
yTotal += chart.data[0].dataPoints[i].y;
for(var i = 0; i < chart.data[0].dataPoints.length; i++){
yValue = chart.data[0].dataPoints[i].y;
yPercent += (yValue / yTotal * 100);
dps.push({label: chart.data[0].dataPoints[i].label, y: yPercent});
}
chart.addTo("data",{type:"line", yValueFormatString: "0.##'%'", dataPoints: dps});
chart.data[1].set("axisYType", "secondary", false);
chart.axisY[0].set("maximum", yTotal);
chart.axisY2[0].set("maximum", 100);
}
}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; max-width: 920px; margin: 0px auto;"></div>
<script src="../../asset/js/canvasjs/canvasjs.min.js"></script>
</body>
</html>