Exercise 3, Bar Chart of U.S. Census Median Earnings by Occupation Category

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Exercise 3</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
			
			body {
				background-color: bisque;
			}

svg {
				background-color: aliceblue;
			}

</style>
	</head>
    
	<body>
        
        <script type="text/javascript">

var svg = d3.select("body")
						.append("svg")
						.attr("width", 1000)
						.attr("height", 400);

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

data.sort(function(a, b) {
					return d3.descending(a.Median_earnings, b.Median_earnings);
				});

var rects = svg.selectAll("rect")
								.data(data)
								.enter()
								.append("rect");

rects.attr("x", 0)
					.attr("y", function(d, i) {
						return i * 15;
					})
					.attr("width", function(d) {
						return d.Median_earnings/100;
					})
					.attr("height", 12)
					.append("title")
					.text(function(d) {
						return d.Subject + " median earnings = " + d.Median_earnings;
					});

});

</script>

</body>
</html>

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

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