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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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body { |
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font: 10px sans-serif; |
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} |
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.axis path, |
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.axis line { |
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fill: none; |
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stroke: #F7F7F7; |
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shape-rendering: crispEdges; |
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} |
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.axis path { |
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display: none; |
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} |
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.line { |
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fill: none; |
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stroke-width: 1px; |
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opacity: 0.4; |
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} |
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</style> |
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<body> |
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<script src="//d3js.org/d3.v3.min.js"></script> |
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<script> |
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var margin = {top: 60, right: 80, bottom: 60, left: 80}, |
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width = 1000 - margin.left - margin.right, |
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height = 460 - margin.top - margin.bottom; |
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var x = d3.scale.linear() |
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.range([0, width]) |
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.domain([1950,2015]); |
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var y = d3.scale.linear() |
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.range([height, 0]) |
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.domain([65,85]); |
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var color = d3.scale.ordinal() |
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.range(["#8A9B0F", "#C82026"]) |
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.domain(["men", "women"]); |
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var colorRange = ['#8a9b0f','#939213','#9b8917','#a3801a','#a9771c','#af6d1e', |
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'#b56320','#ba5622','#bf4924','#c43725','#c82026']; |
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var colorSeq = d3.scale.ordinal() |
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.range(colorRange) |
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.domain([d3.range(colorRange.length)]); |
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var xAxis = d3.svg.axis() |
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.scale(x) |
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.orient("bottom") |
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.tickFormat(d3.format("d")); |
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var yAxis = d3.svg.axis() |
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.scale(y) |
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.orient("left") |
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.ticks(5) |
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.tickSize(-width, 0, 0); |
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var line = d3.svg.line() |
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.interpolate("cardinal") |
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.x(function(d) { return x(d.year); }) |
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.y(function(d) { return y(d.gender); }); |
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var svg = d3.select("body").append("svg") |
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.attr("width", width + margin.left + margin.right) |
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.attr("height", height + margin.top + margin.bottom) |
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.append("g") |
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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d3.csv("lifeExpectancy.csv", function(error, data) { |
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if (error) throw error; |
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data.forEach(function (d,i) { |
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d.year = +d.year; |
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d.men = +d.men; |
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d.women = +d.women; |
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d.diff = d.women - d.men; |
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}) |
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var rScale = d3.scale.linear() |
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.domain([1, Math.round(d3.max(data, function(d) { return d.diff; })) ]) |
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.range([3, 40]); |
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var keys = d3.keys(data[0]).filter(function(key) { return key !== "year" && key !== "diff"; }); |
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var genderLines = keys.map(function(name) { |
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return { |
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name: name, |
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values: data.map(function(d) { |
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return { |
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year: d.year, |
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gender: d[name]}; |
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}) |
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}; |
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}); |
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//Append axes |
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svg.append("g") |
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.attr("class", "x axis") |
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.attr("transform", "translate(0," + height + ")") |
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.call(xAxis); |
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svg.append("g") |
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.attr("class", "y axis") |
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.call(yAxis); |
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//Wrapper for the background circles |
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var strokes = svg.append("g").attr("class","strokeWrapper"); |
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//Append difference circles |
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data.forEach(function(d,index) { |
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var numLoops = Math.round(d.diff); |
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for(var j = 1; j < (numLoops+1); j++) { |
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strokes.append("circle") |
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.attr("cx", x(d.year)) |
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.attr("cy", y(Math.random() * (d.men*0.95 - d.women*1.05) + d.women*1.05).toFixed(4)) |
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.attr("r", rScale(j)) |
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.style("stroke", colorSeq(randomIntFromInterval(0,colorRange.length))) |
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.style("stroke-width", (Math.random() * (0.5 - 6) + 6).toFixed(1)) |
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.style("opacity", (Math.random() * (0.05 - 0.1) + 0.1).toFixed(1)) |
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.style("fill", "none"); |
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}//for j |
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}) |
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//Append the two lines |
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var lines = svg.selectAll(".lines") |
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.data(genderLines) |
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.enter().append("g") |
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.attr("class", "lines"); |
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lines.append("path") |
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.attr("class", "line") |
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.attr("d", function(d) { return line(d.values); }) |
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.style("stroke", function(d) { return color(d.name); }); |
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//Append circles |
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var circles = svg.selectAll(".circleWrapper") |
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.data(data) |
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.enter().append("g") |
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.attr("class","circleWrapper") |
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.attr("transform", function(d) { return "translate(" + x(d.year) + ")"; }); |
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//Append men |
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circles.append("circle") |
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.attr("class", "circleWoman") |
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.attr("cy", function(d) { return y(d.men); }) |
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.attr("r", 8) |
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.style("fill", color("men")) |
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.style("fill-opacity", 0.1); |
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circles.append("circle") |
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.attr("class", "circleMen") |
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.attr("cy", function(d) { return y(d.men); }) |
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.attr("r", 3) |
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.style("fill", color("men")) |
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.style("stroke", color("men")) |
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.style("stroke-width", 3) |
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.style("stroke-opacity", 0.3); |
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//Append women |
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circles.append("circle") |
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.attr("class", "circleWoman") |
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.attr("cy", function(d) { return y(d.women); }) |
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.attr("r", 8) |
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.style("fill", color("women")) |
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.style("fill-opacity", 0.1); |
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circles.append("circle") |
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.attr("class", "circleWoman") |
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.attr("cy", function(d) { return y(d.women); }) |
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.attr("r", 3) |
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.style("fill", color("women")) |
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.style("stroke", color("women")) |
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.style("stroke-width", 3) |
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.style("stroke-opacity", 0.3); |
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}); |
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function randomIntFromInterval(min,max) { |
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return Math.floor(Math.random()*(max-min+1)+min); |
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} |
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</script> |