Tachovsky Assignment 6

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Political Stability in Africa</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">

body {
				background-color: white;
				font-family: Garamond, sans-serif
			}

h1 {
				font-size: 30px;
				margin: 12px 0 0 75px;
			}

p {
				font-size: 20px;
				margin: 10px 0 0 75px;
			}

a:link{
				color: steelblue;
			}

svg {
				background-color: white;
			}

/*highlight style for the average line*/
			g.highlight path {
				stroke: steelblue;
				stroke-width: 5;
				stroke-opacity: 1;
			}

.axis path,
			.axis line {
				fill: none;
				stroke: black;
				stroke-width: 1;
				shape-rendering: crispEdges;
			}

.axis text {
				font-family: Garamond, sans-serif;
				font-size: 14px;
			}

</style>
	</head>

<body>

<h1>Political Stability Across Africa, 2002-2011</h1>

<p>Data Source: <a href= "data.worldbank.org" target="_blank">World Bank</a>. Higher scores indicates greater stability.</br> Mouseover to highlight individual countries.</p>

var w = 800;
			var h = 420;
			var padding = [ 20, 50, 50, 70];
						//Top, right, bottom, left

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.score);
				});

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

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

var years = ["2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011"];

var dataset = [];

for (var i = 0; i < data.length; i++) {
				dataset[i] = {
					country: data[i].country,
					stability: []
				};

for (var j = 0; j < years.length; j++ ) {
					if(data[i][years[j]]) {
						dataset[i].stability.push({
							year: years[j],
							score: data[i][years[j]]

});
					}
				}
			}

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

]);

yScale.domain([
				d3.max(dataset, function(d) {
					return d3.max(d.stability, function(d) {
						return +d.score;
					});
				}),
				d3.min(dataset, function(d) {
					return d3.min(d.stability, function(d) {
						return +d.score -.1;
					});
				})
			]);

var groups = svg.selectAll("g")
				.data(dataset)
				.enter()
				.append("g")
				.classed("highlight", function(d) {

if (d.country == "Average") {
							return true;
						} else {
							return false;
						}

});

groups.append("title")
				.text(function(d) {
					return d.country;
				});

groups.selectAll("path")
				.data(function(d) {
					return [ d.stability ];
				})
				.enter()
				.append("path")
				.attr("class", "line")
				.attr("d", line)
				.attr("stroke", "grey")
				.attr("fill", "none")
				.attr("stroke-width", 2)
				.attr("stroke-opacity", .5)
				.on("mouseover", function() {
					d3.select(this)
						.transition()
						.duration(25)
						.attr("stroke", "orange")
						.attr("stroke-width", 5);
				})
				.on("mouseout", function(d) {
					d3.select(this)
						.transition()
						.duration(200)
						.attr("stroke", "grey")
						.attr("stroke-width", 2)
						.attr("stroke-opacity", .5);
				});

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

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

// Adding a single label in a hacky way
			svg.append("text")
				.attr("transform", "rotate(-90")
				.attr("x", 728)
				.attr("y", 157)
				.style("text-anchor", "middle")
				.style("fill", "steelblue")
				.text("Africa Average");

});

</script>

</body>

</html>

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

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