Created
November 9, 2017 16:41
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Creating a stacked bar graph, d3.js version 4
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/d3-selection-multi.v1.min.js"></script> | |
| <script> | |
| var url = 'https://gist.githubusercontent.com/d3byex/25129228aa50c30ef01f/raw/17838a0a03d94328a529de1dd768e956ce217af1/stacked_bars.csv'; | |
| d3.csv(url, function (error, data) { | |
| var keys = d3.keys(data[0]) | |
| .filter(function (key) { | |
| return key !== "State"; | |
| }); | |
| var statesAndAges = keys.map(function (ageRange) { | |
| return data.map(function (d) { | |
| return { | |
| x: d.State, | |
| y: +d[ageRange] | |
| }; | |
| }); | |
| }); | |
| var stackedData = d3.stack() | |
| .keys(keys)(data); | |
| var width = 960, height = 500; | |
| var svg = d3.select('body') | |
| .append("svg") | |
| .attrs({ | |
| width: width, | |
| height: height | |
| }); | |
| var yScaleMaxDomain = (d3.max(stackedData, function (d) { | |
| return d3.max(d, function (d) { | |
| return d[1]; | |
| }); | |
| })); | |
| var yScale = d3.scaleLinear() | |
| .domain([0, yScaleMaxDomain]) | |
| .range([0, height]); | |
| var xScale = d3.scaleBand() | |
| .domain(d3.range(stackedData[0].length)) | |
| .padding(0.05) | |
| .rangeRound([0, width]); | |
| var colors = d3.scaleOrdinal() | |
| .range(["#98abc5", "#8a89a6", "#7b6888", | |
| "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); | |
| var groups = svg.selectAll("g") | |
| .data(stackedData) | |
| .enter() | |
| .append("g") | |
| .style("fill", function (d, i) { | |
| return colors(i); | |
| }); | |
| groups.selectAll("rect") | |
| .data(function (d) { return d; }) | |
| .enter() | |
| .append("rect") | |
| .attr("x", function (d, i) { | |
| return xScale(i); | |
| }) | |
| .attr("y", function (d, i) { | |
| return height - yScale(d[1]); | |
| }) | |
| .attr("height", function (d) { | |
| return yScale(d[1]) - yScale(d[0]); | |
| }) | |
| .attr("width", xScale.bandwidth()); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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