D3 Examples - Histogramme des pépites

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<!DOCTYPE html>
<style>
​
.axis .domain {
  display: none;
}
​
</style>
<svg width="960" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
​
var svg = d3.select("svg"),
    margin = {top: 20, right: 20, bottom: 30, 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 + ")");
​
var x0 = d3.scaleBand()
    .rangeRound([0, width])
    .paddingInner(0.1);
​
var x1 = d3.scaleBand()
    .padding(0.05);
​
var y = d3.scaleLinear()
    .rangeRound([height, 0]);
​
var z = d3.scaleOrdinal()
    .range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
​
d3.csv("datanuggetfull.csv", function(d, i, columns) {
  d[columns[1]] = d[columns[1]] == "oui" ? 1 : 0;
  d[columns[3]] = parseInt(d[columns[3]].replace(" ",""));
  for (var i = 4, n = columns.length; i < n; ++i) d[columns[i]]= +d[columns[i]]
  return d;
}, function(error, data_orig) {
  
  if (error) throw error;
  data = []
  var keys = d3.nest().key(function(d) { return d["Chaîne"]; }).entries(data_orig)
  console.log(data_orig);
  console.log(keys);
  for (k in keys) {
    console.log(keys[k].key)
    data[k]["Chaîne"] = keys[k].key
  }
  return;
  x0.domain(data.map(function(d) { return d["Chaîne"]; }));
  x1.domain(keys).rangeRound([0, x0.bandwidth()]);
  return
  y.domain([0, d3.max(data, function(d) { return d3.max(keys, function(key) { return d[key]; }); })]).nice();
​
  g.append("g")
    .selectAll("g")
    .data(data)
    .enter().append("g")
      .attr("transform", function(d) { return "translate(" + x0(d.State) + ",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 y(d.value); })
      .attr("width", x1.bandwidth())
      .attr("height", function(d) { return height - y(d.value); })
      .attr("fill", function(d) { return z(d.key); });
​
  g.append("g")
      .attr("class", "axis")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x0));
​
  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("Note");
​
​
});
​
</script>
    