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@TheoLeanse

TheoLeanse/README.md

Last active August 29, 2015 14:11
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Enrolment
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README.md

A revamp of Tufte's least favourite chart ever. Ends up much less exciting, but a little more accurate imo. Produced for the Udacity course "Data Visualisation and D3.js".

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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://dimplejs.org/dist/dimple.v2.0.0.min.js"></script>
<script type="text/javascript">
function draw() {
/* setup D3 */
"use strict";
var margin = 15,
width = 900 - margin,
height = 600 - margin;
d3.select("body")
.append("h2")
.text("Mature student enrolment as a proportion of total college enrolment in the States, 72-76")
var svg = d3.select("body")
.append("svg")
.attr("width", width + margin)
.attr("height", height + margin)
.append('g')
.attr('class', 'chart');
var data = [
{ "age":"under25", "year":"1972", "percentage of enrolment":72.0 },
{ "age":"over25", "year":"1972", "percentage of enrolment":28.0 },
{ "age":"under25", "year":"1973", "percentage of enrolment":70.8 },
{ "age":"over25", "year":"1973", "percentage of enrolment":29.2 },
{ "age":"under25", "year":"1974", "percentage of enrolment":67.2 },
{ "age":"over25", "year":"1974", "percentage of enrolment":32.8 },
{ "age":"under25", "year":"1975", "percentage of enrolment":66.4 },
{ "age":"over25", "year":"1975", "percentage of enrolment":33.6 },
{ "age":"under25", "year":"1976", "percentage of enrolment":67.0 },
{ "age":"over25", "year":"1976", "percentage of enrolment":33.0 },
];
/* dimple.js code */
var myChart = new dimple.chart(svg, data);
var x = myChart.addTimeAxis("x", "year");
myChart.addMeasureAxis("y", "percentage of enrolment");
x.dateParseFormat = "%Y";
x.tickFormat = "%Y";
myChart.addSeries("age", dimple.plot.area);
myChart.draw();
};
</script>
</head>
<body>
<script type="text/javascript">
draw();
</script>
</body>
</html>
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