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Stacked horizontal bar chart
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| license: gpl-3.0 |
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| Year | State | Under 5 Years | 5 to 13 Years | 14 to 17 Years | |
|---|---|---|---|---|---|
| 2017 | AL | 552 | 259 | 310 | |
| 2017 | AK | 856 | 421 | 520 | |
| 2017 | AZ | 828 | 362 | 515 | |
| 2017 | AR | 343 | 157 | 202 | |
| 2017 | CA | 449 | 215 | 270 | |
| 2017 | CO | 587 | 261 | 358 | |
| 2017 | CT | 403 | 196 | 211 | |
| 2017 | DE | 794 | 474 | 593 | |
| 2018 | AL | 310 | 552 | 259 | |
| 2018 | AK | 520 | 556 | 421 | |
| 2018 | AZ | 515 | 828 | 362 | |
| 2018 | AR | 202 | 343 | 157 | |
| 2018 | CA | 270 | 449 | 215 | |
| 2018 | CO | 358 | 587 | 261 | |
| 2018 | CT | 211 | 403 | 196 | |
| 2018 | DE | 593 | 994 | 474 |
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| <html> | |
| <head> | |
| <meta charset ="utf-8"> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <style> | |
| body { | |
| margin: auto; | |
| width: 650px; | |
| font: 12px arial; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg id="chart" width="650" height="420"></svg> | |
| Select year: | |
| <select id="year"></select> | |
| <input type="checkbox" id="sort"> | |
| Toggle sort | |
| <script> | |
| d3.csv("data.csv").then(d => chart(d)) | |
| function chart(csv) { | |
| var keys = csv.columns.slice(2); | |
| var year = [...new Set(csv.map(d => d.Year))] | |
| var states = [...new Set(csv.map(d => d.State))] | |
| var options = d3.select("#year").selectAll("option") | |
| .data(year) | |
| .enter().append("option") | |
| .text(d => d) | |
| var svg = d3.select("#chart"), | |
| margin = {top: 35, left: 35, bottom: 0, right: 15}, | |
| width = +svg.attr("width") - margin.left - margin.right, | |
| height = +svg.attr("height") - margin.top - margin.bottom; | |
| var y = d3.scaleBand() | |
| .range([margin.top, height - margin.bottom]) | |
| .padding(0.1) | |
| .paddingOuter(0.2) | |
| .paddingInner(0.2) | |
| var x = d3.scaleLinear() | |
| .range([margin.left, width - margin.right]) | |
| var yAxis = svg.append("g") | |
| .attr("transform", `translate(${margin.left},0)`) | |
| .attr("class", "y-axis") | |
| var xAxis = svg.append("g") | |
| .attr("transform", `translate(0,${margin.top})`) | |
| .attr("class", "x-axis") | |
| var z = d3.scaleOrdinal() | |
| .range(["steelblue", "darkorange", "lightblue"]) | |
| .domain(keys); | |
| update(d3.select("#year").property("value"), 0) | |
| function update(input, speed) { | |
| var data = csv.filter(f => f.Year == input) | |
| data.forEach(function(d) { | |
| d.total = d3.sum(keys, k => +d[k]) | |
| return d | |
| }) | |
| x.domain([0, d3.max(data, d => d.total)]).nice(); | |
| svg.selectAll(".x-axis").transition().duration(speed) | |
| .call(d3.axisTop(x).ticks(null, "s")) | |
| data.sort(d3.select("#sort").property("checked") | |
| ? (a, b) => b.total - a.total | |
| : (a, b) => states.indexOf(a.State) - states.indexOf(b.State)) | |
| y.domain(data.map(d => d.State)); | |
| svg.selectAll(".y-axis").transition().duration(speed) | |
| .call(d3.axisLeft(y).tickSizeOuter(0)) | |
| var group = svg.selectAll("g.layer") | |
| .data(d3.stack().keys(keys)(data), d => d.key) | |
| group.exit().remove() | |
| group.enter().insert("g", ".y-axis").append("g") | |
| .classed("layer", true) | |
| .attr("fill", d => z(d.key)); | |
| var bars = svg.selectAll("g.layer").selectAll("rect") | |
| .data(d => d, e => e.data.State); | |
| bars.exit().remove() | |
| bars.enter().append("rect") | |
| .attr("height", y.bandwidth()) | |
| .merge(bars) | |
| .transition().duration(speed) | |
| .attr("y", d => y(d.data.State)) | |
| .attr("x", d => x(d[0])) | |
| .attr("width", d => x(d[1]) - x(d[0])) | |
| var text = svg.selectAll(".text") | |
| .data(data, d => d.State); | |
| text.exit().remove() | |
| text.enter().append("text") | |
| .attr("class", "text") | |
| .attr("text-anchor", "start") | |
| .merge(text) | |
| .transition().duration(speed) | |
| .attr("y", d => y(d.State) + y.bandwidth() / 2) | |
| .attr("x", d => x(d.total) + 5) | |
| .text(d => d.total) | |
| } | |
| var select = d3.select("#year") | |
| .on("change", function() { | |
| update(this.value, 750) | |
| }) | |
| var checkbox = d3.select("#sort") | |
| .on("click", function() { | |
| update(select.property("value"), 750) | |
| }) | |
| } | |
| </script> | |
| </body> | |
| </html> |
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