Exercise 6

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Chicago Fed Loans to Individuals (in billions)</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">
			
			body {
				background-color: white;
				font-family: Helvetica;
			}

svg {
				background-color: white;
			}
			circle:hover {
				fill: lightblue;
			}

.axis path,
			.axis line {
				fill:none;
				stroke: black;
				shape-rendering: crispEdges;
			}

.axis text {
				font-family: sans-serif;
				font-size: 11px;
			}

</style>
	</head>
	<body>
		<h1>Relationship of Loans to Individuals and Net Interest Income (in billions)</h1>
		<p> This scatterplot shows the relationship between the Chicago Fed's Loans to Individuals and its Net Interest Income for a given year between 1966 and 2012; Source: <a href="https://fdic.gov">FDIC</a>

<p>Loans to Individuals are plotted on the X axis; Net Interest Income is plotted on the Y axis</p>
		<script type="text/javascript">

var w = 800;
			var h = 400; 
			var padding = [ 20, 50, 30, 50 ];

var dateFormat = d3.time.format("%Y");

var xScale = d3.time.scale()
								.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 (10)
							.tickFormat(function(d) {	
								return dateFormat(d);
							});

var yAxis = d3.svg.axis()
							.scale(yScale)
							.orient("left");

var line = d3.svg.line()
				.x(function(d) {
						return xScale(dateFormat.parse(d.Year));
				})
				.y(function(d) {
						return yScale(d.individualloans);
				});

var interestline = d3.svg.line()
				.x(function(d) {
						return xScale(dateFormat.parse(d.Year));
				})
				.y(function(d) {
						return yScale(d.netinterestincome);
				});

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

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

xScale.domain([ 
					d3.min(data, function(d) {
						return dateFormat.parse(d.Year);
					}),
					d3.max(data, function(d) {
						return dateFormat.parse(d.Year);
					}) 
				]);

yScale.domain([ 
					d3.max(data, function(d) {
						return +d.individualloans;
				}), 0 ]);

svg.data([ data ])
					.append("path")
					.attr("class", "Loans to Individuals")
					.attr("d", line)
					.attr("fill", "none")
					.attr("stroke", "darkblue")
					.attr("stroke-width", 2);

svg.data([ data ])
					.append("path")
					.attr("class", "Loans to Individuals")
					.attr("d", interestline)
					.attr("fill", "none")
					.attr("stroke", "red")
					.attr("stroke-width", 2);

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

svg.append("g")
					.attr("class", "y axis")
					.attr("transform", "translate(" + (padding[3] - 5) + ",0)")
					.call(yAxis);

});

</script>
 
	</body>
</html>

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

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