Capabilities - Stacked to multiple

Adapts the "Stacked to multiples" chart (/mbostock/4679202)

This chart shows how small changes in sub-categories affect the total value.

<!DOCTYPE html>
<meta charset="utf-8">

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: white;
  background-color: black;
  margin: auto;
  position: relative;
  width: 960px;
}

text {
  font: 10px sans-serif;
    fill: white;
}

.axis path {
  display: none;
}

.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.group-label {
  font-weight: bold;
  text-anchor: end;
}

form {
  position: absolute;
  right: 10px;
  top: 10px;
}

label {

top: 10px;
	right: 0px;
}

</style>
<form>
  <label><input type="radio" name="mode" value="multiples" checked> Multiples</label>
  <label><input type="radio" name="mode" value="stacked"> Stacked</label>
</form>

var margin = {top: 10, right: 20, bottom: 20, left: 240},
    width = 960 - margin.left - margin.right,
    height = 700 - margin.top - margin.bottom;

var y0 = d3.scale.ordinal()
    .rangeRoundBands([height, 0], .4);

var y1 = d3.scale.linear();

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1, 0);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var nest = d3.nest()
    .key(function(d) { return d.capability; });

var color = d3.scale.ordinal();

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 tip = d3.tip()
  .attr('class', 'd3-tip')
  .offset([0, -195])
  .html(function(d) {
    return "<strong>Total years:</strong> " + d.totalyears;
  })
  
  svg.call(tip);

d3.tsv("ba-skills.tsv", function(error, data) {

data.forEach(function(d) {
    d.totalyears = +d.totalyears;
  });

var dataByGroup = nest.entries(data);

stack(dataByGroup);
  x.domain(dataByGroup[0].values.map(function(d) { return d.assessmentdate; }));
  y0.domain(dataByGroup.map(function(d) { return d.key; }));
  y1.domain([0, d3.max(data, function(d) { return d.totalyears; })]).range([y0.rangeBand(), 0]);

color
	.range(["darkred","red"])
	.domain([0, dataByGroup.length - 1]);
  
  /*color
      .range(d3.range(dataByGroup.length).map(d3.scale.linear()
      .domain([0, dataByGroup.length - 1])
		.range(["blue", "red"])
		.interpolate(d3.interpolateLab)));*/
		
	/*color
      .range(d3.range(dataByGroup.length).map(d3.scale.linear()
      .domain([0, dataByGroup.length - 1])
		.range(["blue", "red"])
		.interpolate(d3.interpolateLab)));*/
  
  var group = svg.selectAll(".group")
      .data(dataByGroup)
    .enter().append("g")
      .attr("class", "group")
      .attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });

group.append("text")
      .attr("class", "group-label")
      .attr("x", -6)
      .attr("y", function(d) { return y1(d.values[0].totalyears / 2); })
      .attr("dy", ".35em")
      .text(function(d) { return d.key; });

group.selectAll("rect")
      .data(function(d) { return d.values; })
    .enter().append("rect")
		.attr("class", "bar")
      .style("fill", function(d) { return color(d.capability); })
      .attr("x", function(d) { return x(d.assessmentdate); })
      .attr("y", function(d) { return y1(d.totalyears); })
      .attr("width", x.rangeBand())
      .attr("height", function(d) { return y0.rangeBand() - y1(d.totalyears); })
	  .on('mouseover', tip.show)
      .on('mouseout', tip.hide);;

group.filter(function(d, i) { return !i; }).append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + y0.rangeBand() + ")")
      .call(xAxis);

d3.selectAll("input").on("change", change);

/*var timeout = setTimeout(function() {
    d3.select("input[value=\"stacked\"]").property("checked", true).each(change);
  }, 2000);*/

function change() {
    //clearTimeout(timeout);
    if (this.value === "multiples") transitionMultiples();
    else transitionStacked();
  }

</script>

Modified http://d3js.org/d3.v3.min.js to a secure url

https://d3js.org/d3.v3.min.js