Worldwide Measels Immunization Coverage among 1 year olds Scatterplot

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		<meta charset="utf-8">
		<title>Transition Delays</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
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			body {
				background-color: white;
				font-family: Helvetica, Arial, sans-serif;
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h1 {
				font-size: 24px;
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p {
				font-size: 14px;
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				font-family: sans-serif;
				font-size: 11px;
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<h1>Measels Immunization Coverage</h1>

<p>WHO Measels Immunization coverage amongst 1 year olds for the year 2000 compared to 2013, percentage by country. Source: <a href="https://apps.who.int/gho/data/node.main.A826?lang=en">WHO</a></p>

var w = 1200;
			var h = 700;
			var padding = [ 20, 10, 50, 100 ];  //Top, right, bottom, left

var xScale = d3.scale.linear()
								.range([ padding[3], w - padding[1] - padding[3] ]);
			
			var yScale = d3.scale.linear()
								.range([ padding[0], h - padding[2] ]);

var xAxis = d3.svg.axis()
							.scale(xScale)
							.orient("bottom")
                            .ticks(20)
							.tickFormat(function(d) {
								return d + "%";
							});

var yAxis = d3.svg.axis()
							.scale(yScale)
							.orient("left")
                            .ticks(20)
							.tickFormat(function(d) {
								return d + "%";
							});

var svg = d3.select("body")
						.append("svg")
						.attr("width", w)
						.attr("height", h);

d3.csv("measelsimmunizationcoverages.csv", function(data) {

xScale.domain([ 
					d3.min(data, function(d) {
						return +d.pct2000;
					}), 
					d3.max(data, function(d) {
						return +d.pct2000;
					})
				]);

yScale.domain([
					d3.max(data, function(d) {
						return +d.pct2013;
					}),
					d3.min(data, function(d) {
						return +d.pct2013;
					})
				]);

var circles = svg.selectAll("circle")
								.data(data)
								.enter()
								.append("circle");

circles.attr("cx", function(d) {
						return xScale(d.pct2000);
					})
					.attr("cy", function(d) {
						return yScale(d.pct2013);
					})
					.attr("r", 0.1)
					.attr("fill", "red")
					.append("title")
					.text(function(d) {
						return d.COUNTRY + "'s measels immunization coverage among 1 year olds for the year 2000 is " + d.pct2000 + "% and for 2013 is " + d.pct2013 + "%";
					});

circles.sort(function(a, b) {
						return d3.ascending(+a.pct2000, +b.pct2000);
					})
					.transition()
					.delay(function(d, i) {
						return i * 50;
					})
					.duration(2000)
					.attr("r", 4);

svg.append("g")
					.attr("class", "x axis")
					.attr("transform", "translate(0," + (h - padding[2] + 10) + ")")
					.call(xAxis);

svg.append("g")
					.attr("class", "y axis")
					.attr("transform", "translate(" + (padding[3] - 10) + ",0)")
					.call(yAxis);

});

</script>

</body>
</html>

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