U.S. Suicides by State for 15-24 year-olds, Time Series with highlights

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<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>U.S. Suicide Rates for 15-24-year-olds by U.S. State, 1999-2013</title>
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h1 {
				font-size: 24px;
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<h1>Suicide Rates for 15-24-year-olds by U.S. State, 1999-2013</h1>

<p>Data for states with fewer than 10 deaths in a given year is suppressed. Source: <a href="https://wonder.cdc.gov/">Centers for Disease Control</a></p>

//Dimensions and padding
			var w = 900;
			var h = 700;
			var padding = [ 20, 80, 50, 60 ];  //Top, right, bottom, left

//Set up date formatting and years
			var dateFormat = d3.time.format("%Y");

//Set up scales
			var xScale = d3.time.scale()
								.range([ padding[3], w - padding[1] - padding[3] ]);
			
			var yScale = d3.scale.linear()
								.range([ padding[0], h - padding[2] ]);

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			var xAxis = d3.svg.axis()
							.scale(xScale)
							.orient("bottom")
							.ticks(15)
							.tickFormat(function(d) {
								return dateFormat(d);
							});

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

//Configure line generator
			var line = d3.svg.line()
				.x(function(d) {
					return xScale(dateFormat.parse(d.year));
				})
				.y(function(d) {
					return yScale(+d.amount);
				});

//Create the empty SVG image
			var svg = d3.select("body")
						.append("svg")
						.attr("width", w)
						.attr("height", h);

var dataset; //Global variable

//Load USA data
			d3.csv("suicide_rates_1999_2013_by_state.csv", function(data) {

//New array with all the years, for referencing later
				var years = ["1999", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011", "2012", "2013"];

//Make dataset an empty array to hold our restructured dataset
				dataset = [];

//Loop once for each row in data
				for (var i = 0; i < data.length; i++) {

//Create new object with this state's name and empty array
					dataset[i] = {
						state: data[i].state,
						rate: []
					};

//Loop through all the years
					for (var j = 0; j < years.length; j++) {

// If value is not empty
						if (data[i][years[j]]) {
							//Add a new object to the suicide rate data array
							//for this state
							dataset[i].rate.push({
								year: years[j],
								amount: data[i][years[j]]
							});
						}

}

}
				
				//Uncomment to log the newly restructured dataset to the console	
				// console.log(dataset);

//Set scale domains
				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.rate, function(d) {
							return +d.amount;
						});
					}),
					0
				]);

//Make a group for each state
				var groups = svg.selectAll("g")
					.data(dataset)
					.enter()
					.append("g")
					.classed("highlight", function(d) {

if (d.state == "California") {
							return true;
						} else {
							return false;
						}
					})
					.classed("national", function(d) {
						return (d.state == "United States") ? true : false;
					})
					.classed("county", function(d) {

if (d.state == "Santa Clara County") return true;
						else return false;
					})
					//attempt to add highlighting to moused-over lines
					.on("click", function(d) {
						console.log(d);
					});
// 						 d3.select(this).classed("active", true ) })       // classed("active",boolean) not working
	
	
// 					.on("mouseover", function() { d3.select(this).classed("active", true ) })       // classed("active",boolean) not working
// 					.on("mouseout",  function() { d3.select(this).classed("active", false) });
// 
// 					.classed("highlight", function(d) {
// 
// 						if (d.state == "Alaska" ||
// 							d.state == "California" ||
// 							d.state == "Montana") {
// 							return true;
// 						} else {
// 							return false;
// 						}
// 
// 					});

//Append a title with the state name (so we get easy tooltips)
				groups.append("title")
					.text(function(d) {
						return d.state;
					});

//Within each group, create a new line/path,
				//binding just the suicide rate data to each one
				groups.selectAll("path")
					.data(function(d) {
						return [ d.rate ];
					})
					.enter()
					.append("path")
					.attr("class", "line")
					.attr("d", line)
					.attr("fill", "none")
					.attr("stroke-width", 2);

//Axes
				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]) + ",0)")
					.call(yAxis)
					.append("text")
					.attr("transform", "rotate(-90)")
					.attr("x", -(h - padding[0] - padding[2])/2)
					.attr("y", -46)
					.style ("text-anchor", "middle")
					.text("suicide deaths per 100,000");
	
	
				//Labels for highlighted lines - probably better to wrap these into the line elements themselves 
				//with some logic for selecting the ones you want to highlight?	Use anonymous function to match objects for highlighting?
				//National label
				svg.append("text")
					.attr("transform", "translate(" + (w - padding[1] - padding[3]) + ", " + yScale(data[50][years[14]]) + ")")
					.attr("dy", ".35em")
					.attr("dx", ".25em")
					.attr("text-anchor", "start")
					.attr("class","labelNation")
					.text("National Average");

//State label
				svg.append("text")
					.attr("transform", "translate(" + (w - padding[1] - padding[3]) + ", " + yScale(data[4][years[14]]) + ")")
					.attr("dy", ".35em")
					.attr("dx", ".25em")
					.attr("text-anchor", "start")
					.attr("class","labelState")
					.text("California");

//County label
				svg.append("text")
					.attr("transform", "translate(" + (w - padding[1] - padding[3]) + ", " + yScale(data[51][years[14]]) + ")")
					.attr("dy", ".35em")
					.attr("dx", ".25em")
					.attr("text-anchor", "start")
					.attr("class","labelCounty")
					.text("Santa Clara County");
					
// 				//Another approach to adding labels - not currently working
// 				var datalabel = svg.selectAll("text")
// 					.data(dataset.filter(function(d) {
// 						return (d.state == "Montana" || d.state == "Alaska");
// 					}))
// 					.enter()
// 					.append("text");
// 				
// 				datalabel.attr("x", (w - padding[1] - padding[3]))
// 					.attr("y", (function(d) {
// 						return yScale( data[42][years[14]]);
// 					}))
// 					.attr("class","labelState")
// 					.text(function(d) {
// 						return d.state;
// 					});
//

// Uncomment to test accessing specific data
// console.log(data);
console.log(data[42][years[14]]);
// console.log(data[51].state);

});

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