Housing Spending by Age Group

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		<title>Barchart with Scales</title>
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<h1>Spending on Housing</h1>

<p>Average annual spending on &ldquo;Housing&rdquo; by age group in 2010. Source: <a href="https://www.bls.gov/cex/csxstnd.htm#2010">BLS</a>, 2014</p>

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			var h = 450;
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							.scale(heightScale)
							.orient("left");

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

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

data.sort(function(a, b) {
					return d3.descending(+a.housing, +b.housing);

//If your numeric values aren't sorting properly,
					//try commenting out the line above, and instead using:
					//
					//return d3.descending(+a.lifeSatisfaction, +b.lifeSatisfaction);
					//
					//Data coming in from the CSV is saved as strings (text),
					//so the + signs here force JavaScript to treat those
					//strings instead as numeric values, thereby fixing the
					//sort order (hopefully!).
				});

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

heightScale.domain(data.map(function(d) { return d.Item; } ));

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

rects.attr("x", padding[3])
					.attr("y", function(d) {
						return heightScale(d.Item);
					})
					.attr("width", function(d) {
						return widthScale(d.housing);
					})
					.attr("height", heightScale.rangeBand())
					.attr("fill", "steelblue")
					.append("title")
					.text(function(d) {
						return d.Item + " Spending on Housing is " + d.housing;
					});

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