D3 Examples - Educational Attainment of the Population over Ages

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<!DOCTYPE html>
​
<head>
    <meta charset="utf-8">
    <title>table1_all_ages</title>
  </head>
​
<svg width="900" height="1500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
​
var svg = d3.select("svg"),
    margin = {top: 20, right: 20, bottom: 150, left: 40},
    width = +svg.attr("width") - margin.left - margin.right,
    height = +svg.attr("height") - margin.top - margin.bottom,
    g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
    margin1 = {top: 200, right: 20, bottom: 150, left: 40},
    g2 = svg.append("g").attr("transform", "translate(" + margin1.left + "," + (margin1.top+height/3) + ")");
​
var x = d3.scaleBand()
    .rangeRound([0, width])
    .paddingInner(0.05)
    .align(0.1);
​
var y = d3.scaleLinear()
    .rangeRound([height/3, 0]);
​
var z = d3.scaleOrdinal()
    .range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00","#E6D955","#EFF757","#BAF757","#5FF757","#57F7A2","#57F7C7","#57D5F7","#5F57F7"]);
var x0 = d3.scaleBand()
    .rangeRound([0, width])
    .paddingInner(0.1);
​
var x1 = d3.scaleBand()
    .padding(0.05);
​
var y1 = d3.scaleLinear()
    .rangeRound([height/3, 0]);
​
d3.csv("education_ages.csv", function(d, i, columns) {
  for (i = 1, t = 0; i < columns.length; ++i) t += d[columns[i]] = +d[columns[i]];
  d.total = t;
  return d;
}, function(error, data) {
  if (error) throw error;
​
  var keys = data.columns.slice(1);
​
  //data.sort(function(a, b) { return b.total - a.total; });
  x.domain(data.map(function(d) { return d.x; }));
  x0.domain(data.map(function(d) { return d.x; }));
  x1.domain(keys).rangeRound([0, x0.bandwidth()]);
  y.domain([0, d3.max(data, function(d) { return d.total; })]).nice();
  y1.domain([0, d3.max(data, function(d) { return d3.max(keys, function(key) { return d[key]; }); })]).nice();
  z.domain(keys);
​
  g.append("g")
    .selectAll("g")
    .data(d3.stack().keys(keys)(data))
    .enter().append("g")
      .attr("fill", function(d) { return z(d.key); })
    .selectAll("rect")
    .data(function(d) { return d; })
    .enter().append("rect")
      .attr("x", function(d) { return x(d.data.x); })
      .attr("y", function(d) { return y(d[1]); })
      .attr("height", function(d) { return y(d[0]) - y(d[1]); })
      .attr("width", x.bandwidth());
​
  g.append("g")
      .attr("class", "axis")
      .attr("transform", "translate(0," + height/3 + ")")
      .call(d3.axisBottom(x))
      .selectAll("text") 
      .style("text-anchor", "end") 
      .attr("dx", "-.8em") 
      .attr("dy", ".15em") 
      .attr("transform", "rotate(-65)");
​
  g.append("g")
      .attr("class", "axis")
      .call(d3.axisLeft(y).ticks(null, "s"))
    .append("text")
      .attr("x", 2)
      .attr("y", y(y.ticks().pop()) + 0.5)
      .attr("dy", "0.32em")
      .attr("fill", "#000")
      .attr("font-weight", "bold")
      .attr("text-anchor", "start")
      .text("Population");
  
  g2.append("g")
    .selectAll("g")
    .data(data)
    .enter().append("g")
    .attr("transform", function(d) { return "translate(" + x0(d.x) + ",0)"; })
    .selectAll("rect")
    .data(function(d) { return keys.map(function(key) { return {key: key, value: d[key]}; }); })
    .enter().append("rect")
      .attr("x", function(d) { return x1(d.key); })
      .attr("y", function(d) { return y1(d.value); })
      .attr("width", x1.bandwidth())
      .attr("height", function(d) { return height/3 - y1(d.value); })
      .attr("fill", function(d) { return z(d.key); });
​
  g2.append("g")
      .attr("class", "axis")
      .attr("transform", "translate(0," + height/3 + ")")
      .call(d3.axisBottom(x0))
      .selectAll("text")
      .style("text-anchor", "end") 
      .attr("dx", "-.8em") 
      .attr("dy", ".15em") 
      .attr("transform", "rotate(-65)")
​
  g2.append("g")
      .attr("class", "axis")
      .call(d3.axisLeft(y1).ticks(null, "s"))
    .append("text")
      .attr("x", 2)
      .attr("y", y1(y1.ticks().pop()) + 0.5)
      .attr("dy", "0.32em")
      .attr("fill", "#000")
      .attr("font-weight", "bold")
      .attr("text-anchor", "start")
      .text("Population");
​
  var legend = g.append("g")
      .attr("font-family", "sans-serif")
      .attr("font-size", 10)
      .attr("text-anchor", "end")
    .selectAll("g")
    .data(keys.slice().reverse())
    .enter().append("g")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
​
  legend.append("rect")
      .attr("x", width - 19)
      .attr("width", 19)
      .attr("height", 19)
      .attr("fill", z);
  
  legend.append("text")
      .attr("x", width - 24)
      .attr("y", 9.5)
      .attr("dy", "0.32em")
      .text(function(d) { return d; });
  
  svg.append("text")
            .attr("x", (width + (margin.left + margin.right) )/ 2-10)
            .attr("y", 0 + margin.top)
            .attr("text-anchor", "middle")
            .style("font-size", "16px")
            .style("font-family", "sans-serif")
            .text("Educational Attainment of the Population over Ages");
  
});
​
​
</script>
    