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Women by Birth Date
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .bar rect { | |
| shape-rendering: crispEdges; | |
| } | |
| .bar text { | |
| fill: #999999; | |
| } | |
| .axis path, .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| // Set the base bar color | |
| var color = "pink"; | |
| // A comma-separated list of the years, using negative numbers for BCE | |
| var years = [-525,-500,-500,-475,-350,-300,-275,-250,-250,-160,-140,-140,-150,-100,-100,-100,-100,-100,-100,-100,-39,-209,-225,-300,-150,-150,-150,-125,-100,-150,-73,-100,-150,-125,-150,-175,-75,-75,-125,-150,-125,-50,-125,-100,-75,-100,-100,-75,-125,-100,-175,-125,-100,-50,-50,-50,-175,-150,-87,-150,-150,-100,-79,-175,-150,-125,-150,-200,-125,-325,-325,-200,-225,-225,-175,-150,-175,-150,-75,-100,-150,-100,-100,-75,-125,-100,-175,-100,-175,-150,-100,-132,-125,-100,-150,-125,-75,-175,-125,-150,-125,-170,-150,-106,-125,-125,-125,-163,-125,-75,-125,-125,-83,-200,-200,-150,-225,-175,-125,-150,-150,-150,-250,-125,-150,-125,-200,-150,-100,-175,-150,-75,-150,-100,-100,-150,-75,-100,-100,-125,-150,-150,-125,-225,-125,-75,-200,-100,-125,-125,-200,-125,-100,-125,-125,-125,-75,-100,-125,-100,-150,-75,-50,-75,-125,-39,-50,-50,-75,-150,-75,-125,-58,-125,-250,-175,-325,-150,-175,-250,-250,-275,-225,-225,-75,-100,-110,-175,-100,-275,-150,-125,-175,-275,-250,-100,-75,-100,-125,-50,-75,-75,-150,-100,-125,-100,-100,-150,-125,-200,-175,-100,-125,-175,-125,-78,-138,-150,-138,-225,-100,-125,-79,-75,-175,-100,-150,-125,-100,-75,-150,-100,-100,-50,-50,-100,-125,-50,-75,-75,-75,-50,-375,-100,-75,-150,-125,-75,-100,-75,-150,-125,-75,-219,-150,-275,-125,-125,-200,-325,-100,-100,-25,-150,-100,-69,-100,-50,-50,-75,-100,-50,-50,-100,-125,-125,-125,-150,-125,-175,-75,-75,-75,-125,-50,-75,-100,-25,-75,-25,-150,-225,-400,-400,-175,-50,-89,-275,-100,-219,-75,-75,-150,-175,-75,-100,-100,-150,-75,-50,-50,-50,-150,-50,-75,-100,-100,-550,-525,-475,-350,-575,-175,-125,-125,-100,-125,-125,-125,-125,-125,-100,-125,-125,-125,-125,-125,-125,-200,-200,-125]; | |
| // A formatter for counts. | |
| var formatCount = d3.format(",.0f"); | |
| // Sets the margins | |
| var margin = {top: 40, right: 30, bottom: 60, left: 30}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| // Round the minimum year down to the nearest 25 and the maximum year up to the nearest 25 | |
| var max = Math.ceil(d3.max(years) / 25) * 25; | |
| var min = Math.floor(d3.min(years) / 25) * 25; | |
| var x = d3.scale.linear() | |
| .domain([min, max]) | |
| .range([0, width]); | |
| // Generate a histogram using bins of length 25 years. | |
| var data = d3.layout.histogram() | |
| .bins(d3.range(min, max, 25)) | |
| (years); | |
| // Set the bar coloring | |
| var yMax = d3.max(data, function(d){return d.length}); | |
| var yMin = d3.min(data, function(d){return d.length}); | |
| var colorScale = d3.scale.linear() | |
| .domain([yMin, yMax]) | |
| .range([d3.rgb(color).brighter(), d3.rgb(color).darker()]); | |
| var y = d3.scale.linear() | |
| .domain([0, yMax]) | |
| .range([height, 0]); | |
| // Ensure the axis uses 25 year increments | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom") | |
| .tickValues(d3.range(min, max, 25)); | |
| 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 + ")"); | |
| var bar = svg.selectAll(".bar") | |
| .data(data) | |
| .enter().append("g") | |
| .attr("class", "bar") | |
| .attr("transform", function(d) { return "translate(" + x(d.x) + "," + y(d.y) + ")"; }); | |
| bar.append("rect") | |
| .attr("x", 1) | |
| .attr("width", (x(data[0].dx) - x(0)) - 1) | |
| .attr("height", function(d) { return height - y(d.y); }) | |
| .attr("fill", function(d) { return colorScale(d.y) }); | |
| bar.append("text") | |
| .attr("dy", ".75em") | |
| .attr("y", -12) | |
| .attr("x", (x(data[0].dx) - x(0)) / 2) | |
| .attr("text-anchor", "middle") | |
| .text(function(d) { return formatCount(d.y); }); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| // Graph title | |
| svg.append("text") | |
| .attr("x", (width / 2)) | |
| .attr("y", 0 - (margin.top / 2)) | |
| .attr("text-anchor", "middle") | |
| .style("font-size", "16px") | |
| .text("Women in Database per 25 Years (by Birth Year)"); | |
| // Axis label | |
| svg.append("text") | |
| .attr("class", "x label") | |
| .attr("text-anchor", "middle") | |
| .attr("x", width / 2) | |
| .attr("y", height + 50) | |
| .text("Year"); | |
| </script> |
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