Sourced from the 2012 DC Bicycle Count Summary, visualized with d3js.
Created
December 10, 2012 22:58
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Gender Breakdown of DC Cyclists 2005-2012
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| year | Male | Female | |
|---|---|---|---|
| 2005 | 76.9 | 23.1 | |
| 2006 | 76.9 | 23.1 | |
| 2007 | 73.7 | 26.5 | |
| 2008 | 82.1 | 17.3 | |
| 2009 | 81.0 | 19.0 | |
| 2010 | 77.0 | 23.0 | |
| 2011 | 75.6 | 24.4 | |
| 2012 | 77.3 | 22.7 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .browser text { | |
| text-anchor: end; | |
| fill:#fff; | |
| font-size:30px; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.js"></script> | |
| <script> | |
| var margin = {top: 20, right: 20, bottom: 30, left: 50}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var parseDate = d3.time.format("%Y").parse, | |
| formatPercent = d3.format(".0%"); | |
| var x = d3.time.scale() | |
| .range([0, width]); | |
| var y = d3.scale.linear() | |
| .range([height, 0]); | |
| var color = d3.scale.category20(); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left") | |
| .tickFormat(formatPercent); | |
| var area = d3.svg.area() | |
| .x(function(d) { return x(d.date); }) | |
| .y0(function(d) { return y(d.y0); }) | |
| .y1(function(d) { return y(d.y0 + d.y); }); | |
| var stack = d3.layout.stack() | |
| .values(function(d) { return d.values; }); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| d3.csv("bikes.csv", function(error, data) { | |
| color.domain(['Male', 'Female']); | |
| data.forEach(function(d) { | |
| d.date = parseDate(d.year); | |
| }); | |
| var bikers = stack(color.domain().map(function(name) { | |
| return { | |
| name: name, | |
| values: data.map(function(d) { | |
| return {date: d.date, y: d[name] / 100}; | |
| }) | |
| }; | |
| })); | |
| x.domain(d3.extent(data, function(d) { return d.date; })); | |
| var l = svg.selectAll(".browser") | |
| .data(bikers) | |
| .enter().append("g") | |
| .attr("class", "browser"); | |
| l.append("path") | |
| .attr("class", "area") | |
| .attr("d", function(d) { return area(d.values); }) | |
| .style("fill", function(d) { return color(d.name); }); | |
| l.append("text") | |
| .datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; }) | |
| .attr("transform", function(d) { return "translate(" + x(d.value.date) + "," + y(d.value.y0 + d.value.y / 2) + ")"; }) | |
| .attr("x", -6) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.name; }); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| }); | |
| </script> |
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