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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: #000; |
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shape-rendering: crispEdges; |
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} |
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</style> |
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<body> |
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<script src="https://d3js.org/d3.v3.min.js"></script> |
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<script> |
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var margin = {top: 80, right: 20, bottom: 20, left: 50}, |
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width = 960 - margin.left - margin.right, |
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height = 500 - margin.top - margin.bottom; |
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var y = d3.scale.ordinal() |
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.rangeRoundBands([0, height], .3); |
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var x = d3.scale.linear() |
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.rangeRound([0, width]); |
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var xAxis = d3.svg.axis() |
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.scale(x) |
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.tickFormat(d3.format(",%")) |
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.orient("top"); |
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var yAxis = d3.svg.axis() |
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.scale(y) |
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.tickSize(0) |
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.orient("left"); |
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var color = d3.scale.ordinal() |
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.range(["#d73027","#f46d43","#fdae61","#a6d96a","#66bd63","#1a9850"]); |
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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("data.csv", function(error, data) { |
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var rateNames = d3.keys(data[0]).filter(function(key) { return key !== "rows"; }); |
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var rowsNames = data.map(function(d) { return d.rows; }); |
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var neutralIndex = Math.floor(rateNames.length/2); |
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color.domain(rateNames); |
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data.forEach(function(row) { |
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row.total = d3.sum(rateNames.map(function(name) { return +row[name]; })); |
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rateNames.forEach(function(name) { row['relative'+name] = (row.total !==0 ? +row[name]/row.total : 0); }); |
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var x0 = -1 * d3.sum(rateNames.map(function(name,i) { return i < neutralIndex ? +row['relative'+name] : 0; })); |
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if (rateNames.length & 1) x0 += -1 * row['relative' + rateNames[neutralIndex] ]/2; |
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var idx = 0; |
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row.boxes = rateNames.map(function(name) { |
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return {name: name, x0: x0, x1: x0 += row['relative'+name], total: row.total, absolute: row[name]}; |
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}); |
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}); |
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var min = d3.min(data, function(d) { return d.boxes["0"].x0; }); |
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var max = d3.max(data, function(d) { return d.boxes[d.boxes.length-1].x1; }); |
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x.domain([min, max]).nice(); |
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y.domain(rowsNames); |
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svg.append("g") |
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.attr("class", "x axis") |
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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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var rows = svg.selectAll(".row") |
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.data(data) |
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.enter().append("g") |
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.attr("class", "bar") |
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.attr("transform", function(d) { return "translate(0," + y(d.rows) + ")"; }) |
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.on("mouseover", function(d) { |
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svg.selectAll('.y').selectAll('text').filter(function(text) { return text===d.rows; }) |
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.transition().duration(100).style('font','15px sans-serif'); |
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}) |
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.on("mouseout", function(d) { |
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svg.selectAll('.y').selectAll('text').filter(function(text) { return text===d.rows; }) |
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.transition().duration(100).style('font','10px sans-serif'); |
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}); |
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var bars = rows.selectAll("rect") |
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.data(function(d) { return d.boxes; }) |
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.enter().append("g"); |
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bars.append("rect") |
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.attr("height", y.rangeBand()) |
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.attr("x", function(d) { return x(d.x0); }) |
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.attr("width", function(d) { return x(d.x1) - x(d.x0); }) |
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.style("fill", function(d) { return color(d.name); }); |
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bars.append("text") |
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.attr("x", function(d) { return x(d.x0); }) |
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.attr("y", y.rangeBand()/2) |
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.attr("dy", "0.5em") |
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.attr("dx", "0.5em") |
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.style("text-anchor", "begin") |
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.text(function(d) { return d.absolute !== 0 && (d.x1-d.x0)>0.04 ? d.absolute : "" }); |
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svg.append("g") |
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.attr("class", "y axis") |
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.append("line") |
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.attr("x1", x(0)) |
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.attr("x2", x(0)) |
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.attr("y2", height); |
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var legend = svg.selectAll(".legend") |
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.data(rateNames) |
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.enter().append("g") |
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.attr("class", "legend") |
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.attr("transform", function(d, i) { return "translate(" + width/rateNames.length * i + ",-55)"; }); |
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legend.append("rect") |
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.attr("x", 0) |
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.attr("width", 18) |
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.attr("height", 18) |
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.style("fill", color); |
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legend.append("text") |
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.attr("x", 22) |
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.attr("y", 9) |
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.attr("dy", ".35em") |
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.style("text-anchor", "begin") |
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.text(function(d) { return d; }); |
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}); |
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</script> |