timelyportfolio/data.tsv

## data.tsv

          
            group
            date
            value

            
              1
              2008-01
              10

            
              1
              2008-04
              8

            
              1
              2008-07
              14

            
              1
              2008-10
              9

            
              1
              2009-01
              10

            
              1
              2009-04
              8

            
              1
              2009-07
              14

            
              1
              2009-10
              9

            
              2
              2008-01
              3

            
              2
              2008-04
              3.5

            
              2
              2008-07
              5

            
              2
              2008-10
              11

            
              2
              2009-01
              3

            
              2
              2009-04
              3.5

            
              2
              2009-07
              4.5

            
              2
              2009-10
              10.5

            
              3
              2008-01
              10

            
              3
              2008-04
              8

            
              3
              2008-07
              14

            
              3
              2008-10
              9

            
              3
              2009-01
              10

            
              3
              2009-04
              8

            
              3
              2009-07
              14

            
              3
              2009-10
              9

            
              4
              2008-01
              3

            
              4
              2008-04
              3.5

            
              4
              2008-07
              5

            
              4
              2008-10
              11

            
              4
              2009-01
              3

            
              4
              2009-04
              3.5

            
              4
              2009-07
              4.5

            
              4
              2009-10
              10.5

## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>

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

text {
  font: 10px sans-serif;
}

.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;
}

</style>
<form>
  <label><input type="radio" name="mode" value="multiples" checked> Multiples</label>
  <label><input type="radio" name="mode" value="stacked"> Stacked</label>
</form>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>

var parseDate = d3.time.format("%Y-%m").parse,
    formatYear = d3.format("02d"),
    formatDate = function(d) { return "Q" + ((d.getMonth() / 3 | 0) + 1) + formatYear(d.getFullYear() % 100); };

var margin = {top: 10, right: 20, bottom: 20, left: 60},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var y0 = d3.scale.ordinal()
    .rangeRoundBands([height, 0], .2);

var y1 = d3.scale.linear();

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

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

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

var stack = d3.layout.stack()
    .values(function(d) { return d.values; })
    .x(function(d) { return d.date; })
    .y(function(d) { return d.value; })
    .out(function(d, y0) { d.valueOffset = y0; });

var color = d3.scale.category10();

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 + ")");

d3.tsv("data.tsv", function(error, data) {

  data.forEach(function(d) {
    d.date = parseDate(d.date);
    d.value = +d.value;
  });

  var dataByGroup = nest.entries(data);

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

  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].value / 2); })
      .attr("dy", ".35em")
      .text(function(d) { return "Group " + d.key; });

  group.selectAll("rect")
      .data(function(d) { return d.values; })
    .enter().append("rect")
      .style("fill", function(d) { return color(d.group); })
      .attr("x", function(d) { return x(d.date); })
      .attr("y", function(d) { return y1(d.value); })
      .attr("width", x.rangeBand())
      .attr("height", function(d) { return y0.rangeBand() - y1(d.value); });

  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();
  }

  function transitionMultiples() {
    var t = svg.transition().duration(750),
        g = t.selectAll(".group").attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
    g.selectAll("rect").attr("y", function(d) { return y1(d.value); });
    g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2); })
  }

  function transitionStacked() {
    var t = svg.transition().duration(750),
        g = t.selectAll(".group").attr("transform", "translate(0," + y0(y0.domain()[0]) + ")");
    g.selectAll("rect").attr("y", function(d) { return y1(d.value + d.valueOffset); });
    g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2 + d.values[0].valueOffset); })
  }
});

</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
group	date	value
1	2008-01	10
1	2008-04	8
1	2008-07	14
1	2008-10	9
1	2009-01	10
1	2009-04	8
1	2009-07	14
1	2009-10	9
2	2008-01	3
2	2008-04	3.5
2	2008-07	5
2	2008-10	11
2	2009-01	3
2	2009-04	3.5
2	2009-07	4.5
2	2009-10	10.5
3	2008-01	10
3	2008-04	8
3	2008-07	14
3	2008-10	9
3	2009-01	10
3	2009-04	8
3	2009-07	14
3	2009-10	9
4	2008-01	3
4	2008-04	3.5
4	2008-07	5
4	2008-10	11
4	2009-01	3
4	2009-04	3.5
4	2009-07	4.5
4	2009-10	10.5
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

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

	text {
	font: 10px sans-serif;
	}

	.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;
	}

	</style>
	<form>
	<label><input type="radio" name="mode" value="multiples" checked> Multiples</label>
	<label><input type="radio" name="mode" value="stacked"> Stacked</label>
	</form>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script>

	var parseDate = d3.time.format("%Y-%m").parse,
	formatYear = d3.format("02d"),
	formatDate = function(d) { return "Q" + ((d.getMonth() / 3 \| 0) + 1) + formatYear(d.getFullYear() % 100); };

	var margin = {top: 10, right: 20, bottom: 20, left: 60},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	var y0 = d3.scale.ordinal()
	.rangeRoundBands([height, 0], .2);

	var y1 = d3.scale.linear();

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

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

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

	var stack = d3.layout.stack()
	.values(function(d) { return d.values; })
	.x(function(d) { return d.date; })
	.y(function(d) { return d.value; })
	.out(function(d, y0) { d.valueOffset = y0; });

	var color = d3.scale.category10();

	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 + ")");

	d3.tsv("data.tsv", function(error, data) {

	data.forEach(function(d) {
	d.date = parseDate(d.date);
	d.value = +d.value;
	});

	var dataByGroup = nest.entries(data);

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

	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].value / 2); })
	.attr("dy", ".35em")
	.text(function(d) { return "Group " + d.key; });

	group.selectAll("rect")
	.data(function(d) { return d.values; })
	.enter().append("rect")
	.style("fill", function(d) { return color(d.group); })
	.attr("x", function(d) { return x(d.date); })
	.attr("y", function(d) { return y1(d.value); })
	.attr("width", x.rangeBand())
	.attr("height", function(d) { return y0.rangeBand() - y1(d.value); });

	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();
	}

	function transitionMultiples() {
	var t = svg.transition().duration(750),
	g = t.selectAll(".group").attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
	g.selectAll("rect").attr("y", function(d) { return y1(d.value); });
	g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2); })
	}

	function transitionStacked() {
	var t = svg.transition().duration(750),
	g = t.selectAll(".group").attr("transform", "translate(0," + y0(y0.domain()[0]) + ")");
	g.selectAll("rect").attr("y", function(d) { return y1(d.value + d.valueOffset); });
	g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2 + d.values[0].valueOffset); })
	}
	});

	</script>