Life expectancy at birth - Module 5 exercise [scatterplot]

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Module 5 Exercise -- Life Expectancy for all the countries.</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				background-color: white;
				font-family: Helvetica, Arial, sans-serif;
			}

h1 {
				font-size: 24px;
				margin: 0;
			}

p {
				font-size: 14px;
				margin: 10px 0 0 0;
			}

svg {
				background-color: white;
			}

circle:hover {
				fill: red;
			}
			
			.axis path,
			.axis line {
				fill: none;
				stroke: blue;
				shape-rendering: crispEdges;
			}
			
			.axis text {
				font-family: sans-serif;
				font-size: 11px;
			}

</style>
	</head>
	<body>

<h1>Life expectancy at birth in years</h1>
		<p>Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.</p>
		<p>Source: <a href="https://data.worldbank.org/indicator/SP.DYN.LE00.IN">World Bank</a>, 2014</p>
		<div id="chart1960" style="float: left"></div>
		<div id="chart2012" style="float: left"></div>

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

function setupSVG(divelem, year) {
				var svg = d3.select(divelem)
					.append("svg")
					.attr("width", w)
					.attr("height", h);
				svg.append("text")
			        .attr("x", (w / 2))             
			        .attr("y", 25)
			        .attr("text-anchor", "middle")  
			        .style("font-size", "16px") 
			        .style("text-decoration", "underline")  
			        .text("Life expectancy at birth in " + year);
			    return svg;
			}

xScale.domain([data.length, 0]);

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

circles.attr("cx", function(d, i) {
						return xScale(i);
					})
					.attr("cy", function(d) {
						return yScale(d[year]);
					})
					.attr("r", 0.1)
					.attr("fill", "orange")
					.append("title")
					.text(function(d) {
						return d.CountryName + "'s life expectancy at birth is " + d[year];
					});

circles.sort(function(a, b) {
						return d3.ascending(+a[year], +b[year]);
					})
					.transition()
					.ease('quad')
					.delay(function(d, i) {
						return i * 50;
					})
					.duration(1000)
					.attr("r", 3);

svg.append("g")
					.attr("class", "y axis")
					.attr("transform", "translate(" + (padding[3] - 10) + ",0)")
					.call(yAxis);
			}
			var svg = setupSVG("#chart1960", "1960");
			var svg2012 = setupSVG("#chart2012", "2012");

d3.csv("LifeExpectancyAtBirth.csv", function(data) {
				console.table(data, ["CountryName", "1960", "2012"]);
				setupChart(svg, data, "1960", "2012");
				setupChart(svg2012, data, "2012", "1960");
			});
		</script>

</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

https://d3js.org/d3.v3.js