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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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.bar { |
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fill: steelblue; |
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} |
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.axis path { |
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display: none; |
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} |
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</style> |
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<svg width="960" height="500"></svg> |
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<script src="//d3js.org/d3.v4.min.js"></script> |
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<script> |
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var svg = d3.select("svg"), |
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margin = {top: 20, right: 60, bottom: 30, left: 40}, |
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width = +svg.attr("width") - margin.left - margin.right, |
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height = +svg.attr("height") - margin.top - margin.bottom, |
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g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"), |
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barPadding = 3; // pixels |
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var x = d3.scaleBand() |
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.rangeRound([0, width]) |
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.padding(0.1) |
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.align(0.1); |
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var y = d3.scaleLinear() |
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.rangeRound([height, 0]); |
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var z = d3.scaleOrdinal() |
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.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); |
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var stack = d3.stack() |
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.offset(d3.stackOffsetExpand); |
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d3.csv("data.csv", type, function(error, data) { |
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if (error) throw error; |
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data.sort(function(a, b) { return b[data.columns[1]] / b.total - a[data.columns[1]] / a.total; }); |
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x.domain(data.map(function(d) { return d.State; })); |
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z.domain(data.columns.slice(1)); |
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var serie = g.selectAll(".serie") |
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.data(stack.keys(data.columns.slice(1))(data)) |
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.enter().append("g") |
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.attr("class", "serie") |
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.attr("fill", function(d) { return z(d.key); }); |
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serie.selectAll("rect") |
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.data(function(d) { return d; }) |
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.enter().append("rect") |
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.attr("x", function(d) { return x(d.data.State); }) |
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.attr("y", function(d) { return (y(d[1]) + barPadding); }) |
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.attr("height", function(d) { return (y(d[0]) - y(d[1])) - barPadding; }) |
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.attr("width", x.bandwidth()); |
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g.append("g") |
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.attr("class", "axis axis--x") |
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.attr("transform", "translate(0," + height + ")") |
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.call(d3.axisBottom(x)); |
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g.append("g") |
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.attr("class", "axis axis--y") |
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.call(d3.axisLeft(y).ticks(10, "%")); |
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var legend = serie.append("g") |
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.attr("class", "legend") |
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.attr("transform", function(d) { var d = d[d.length - 1]; return "translate(" + (x(d.data.State) + x.bandwidth()) + "," + ((y(d[0]) + y(d[1])) / 2) + ")"; }); |
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legend.append("line") |
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.attr("x1", -6) |
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.attr("x2", 6) |
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.attr("stroke", "#000"); |
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legend.append("text") |
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.attr("x", 9) |
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.attr("dy", "0.35em") |
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.attr("fill", "#000") |
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.style("font", "10px sans-serif") |
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.text(function(d) { return d.key; }); |
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}); |
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function type(d, i, columns) { |
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for (i = 1, t = 0; i < columns.length; ++i) t += d[columns[i]] = +d[columns[i]]; |
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d.total = t; |
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return d; |
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} |
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</script> |