xxxxxxxxxx<html lang="en"> <head> <meta charset="utf-8"> <title></title> <script type="text/javascript" src="https://d3js.org/d3.v3.min.js"></script> <style type="text/css"> body { background-color: white; font-family: Verdana; } svg { background-color: white; } text { fill: black; } .line { fill: none; stroke: grey; stroke-width: 2; opacity: 0.5; } .line:hover { stroke-width: 3; stroke: black; opacity: 1; } .axis path, .axis line { fill: none; stroke: black; shape-rendering: crispEdges; } .axis text { font-family: sans-serif; font-size: 11px; } g.highlight_eu path { stroke: steelblue; stroke-width: 6; opacity: 1; } g.highlight_greece path { stroke: green; stroke-width: 3; opacity: 1; } g.highlight_germany path { stroke: indianred; stroke-width: 3; opacity: 1; } g.highlight_spain path { stroke: purple; stroke-width: 3; opacity: 1; } g.highlight_netherlands path { stroke: orange; stroke-width: 3; opacity: 1; } .highlight_eu { fill: steelblue; text-anchor: end; font-weight: bold; } .highlight_greece { fill: green; text-anchor: end; font-weight: bold; } .highlight_germany { fill: indianred; text-anchor: end; font-weight: bold; } .highlight_spain { fill: purple; text-anchor: end; font-weight: bold; } .highlight_netherlands { fill: orange; text-anchor: end; font-weight: bold; } </style> </head> <body> <h2>Youth unemployment rate in selected european countries</h2> <p>This dataset shows the evolution of youth unemployment over the course of two decades.<br> Thanks to <a href:"https://bl.ocks.org/alebusi/dea84684cfdbeb6f59c0">Alebusi</a> <</p> <script type="text/javascript"> var w = 900 var h = 500 var padding = [ 50, 50, 50, 50 ]; //Top, right, bottom, left //Set up date formatting and years var dateFormat = d3.time.format("%Y"); var xScale = d3.time.scale() .range ([ padding[1], w - padding[3] ]); var yScale = d3.scale.linear() .range ([ padding[0], h - padding[2] ]); var xAxis = d3.svg.axis() .scale(xScale) .orient("bottom") .ticks(30); var yAxis = d3.svg.axis() .scale(yScale) .orient("left") .ticks(15); //Configure line generator var line = d3.svg.line() .x(function(d) { return xScale(dateFormat.parse(d.year)); }) .y(function(d) { return yScale(+d.amount); }); var svg = d3.select("body") .append("svg") .attr("width", w) .attr("height", h); d3.csv("youth.csv", function(data) { //Data is loaded in, but we need to restructure it. //Remember, each line requires an array of x/y pairs; //that is, an array of arrays, like so: // // [ [x: 1, y: 1], [x: 2, y: 2], [x: 3, y: 3] ] // //We, however, are using 'year' as x and 'amount' as y. //We also need to know which country belongs to each //line, so we will build an array of objects that is //structured like this: /* [ { country: "Australia", emissions: [ { year: 1961, amount: 90589.568 }, { year: 1962, amount: 94912.961 }, { year: 1963, amount: 101029.517 }, … ] }, { country: "Bermuda", percentage: [ { year: 1961, amount: 176.016 }, { year: 1962, amount: 157.681 }, { year: 1963, amount: 150.347 }, … ] }, … ] */ //Note that this is an array of objects. Each object //contains two values, 'country' and 'emissions'. //The 'emissions' value is itself an array, containing //more objects, each one holding 'year' and 'amount' values. //New array with all the years, for referencing later var years = ["1991", "1992", "1993", "1994", "1995", "1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011", "2012", "2013"]; //Create a new, empty array to hold our restructured dataset var dataset = []; //Loop once for each row in data for (var i = 0; i < data.length; i++) { //Create new object with this country's name and empty array dataset[i] = { country: data[i].countryName, percentage: [] }; //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 percentage data array //for this country dataset[i].percentage.push({ year: years[j], amount: data[i][years[j]] }); } } } // console.log(dataset); //Uncomment to log the original data to the console // console.log(data); //Uncomment to log the newly restructured dataset to the console // console.log(dataset); 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.percentage, function(d) { return +d.amount; }); }), 0 ]); var groups = svg.selectAll("g") .data(dataset) .enter() .append("g") .classed("highlight_eu", function(d) { if (d.country == "European Union") { return true; } else { return false; } }) .classed("highlight_greece", function(d) { if (d.country == "Greece") { return true; } else { return false; } }) .classed("highlight_germany", function(d) { if (d.country == "Germany") { return true; } else { return false; } }) .classed("highlight_spain", function(d) { if (d.country == "Spain") { return true; } else { return false; } }) .classed("highlight_netherlands", function(d) { if (d.country == "Netherlands") { return true; } else { return false; } }); // var labels = groups.selectAll("text") // .data(data) // .enter() // .append("text"); //Append a title with the country name (so we get easy tooltips) groups.append("title") .text(function(d) { return d.country; }); //Within each group, create a new line/path, //binding just the emissions data to each one groups.selectAll("path") .data(function(d) { return [ d.percentage ]; }) .enter() .append("path") .attr("class", "line") .attr("d", line); //Make lines get to the front on mouseover d3.selectAll("path") .on("mouseover", function(d) { d3.select(this) this.parentNode.parentNode.appendChild(this.parentNode); }) .on("mouseout", function(d) { d3.select(this) }); svg.append("text") .attr("class", "highlight_eu") .attr("x", w) .attr("y", padding[0] + 15) .attr("font-size", 10) .text("Europe"); svg.append("text") .attr("class", "highlight_greece") .attr("x", w ) .attr("y", padding[0] + 30) .attr("font-size", 10) .text("Greece"); svg.append("text") .attr("class", "highlight_germany") .attr("x", w) .attr("y", padding[0] + 45) .attr("font-size", 10) .text("Germany"); svg.append("text") .attr("class", "highlight_spain") .attr("x", w) .attr("y", padding[0] + 60) .attr("font-size", 10) .text("Spain"); svg.append("text") .attr("class", "highlight_netherlands") .attr("x", w ) .attr("y", padding[0] + 75) .attr("font-size", 10) .text("Netherlands"); svg.append("g") .attr("class", "x axis") .attr("transform", "translate(0," + (h - padding[0]) + ")") .call(xAxis); svg.append("g") .attr("class", "y axis") .attr("transform", "translate(" + (padding[3]) + ", 0)") .call(yAxis); }); </script> </body></html> Modified http://d3js.org/d3.v3.min.js to a secure url
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