mhkeller/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Example of stacked area charts --based off of this gist --  addressing this SO question.

  
## data.csv

          
            date
            Kermit
            piggy
            Gonzo
            fuzzy
            hogthrob
            animal
            floyd
            Gabriel
            Beaker
            scooter
            statler
            waldorf
            slim
            sam

            
              13-Oct-31
              113.44
              435.15
              19.57
              60.55
              53.02
              268.28
              87.34
              1.98
              0
              31.68
              0
              21.59
              4.82
              11.31

            
              13-Nov-30
              109.86
              506.85
              18.97
              58.77
              388.37
              131.48
              85.34
              1.98
              0
              48.50
              0
              21.59
              4.70
              11.31

            
              13-Dec-31
              113.46
              644.88
              19.57
              60.57
              669.47
              0
              87.46
              1.98
              0
              80.97
              0
              21.59
              4.82
              11.43

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

body {
  font: 10px sans-serif;
}

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

.browser text {
  text-anchor: end;
}

</style>
<body>
<script src="http://d3js.org/d3.v3.js"></script>
<script>

var margin = {top: 20, right: 20, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var parseDate = d3.time.format("%y-%b-%d").parse;
    //formatPercent = d3.format(".0%");

var x = d3.time.scale()
    .range([0, width]);

var y = d3.scale.linear()
    .range([height, 0]);

var color = d3.scale.category20();

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

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    //.tickFormat(formatPercent);

var area = d3.svg.area()
    .x(function(d) { return x(d.date); })
    .y0(function(d) { return y(d.y0); })
    .y1(function(d) { return y(d.y0 + d.y); });

var stack = d3.layout.stack()
    .values(function(d) { return d.values; });

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.csv("data.csv", function(error, data) {
  color.domain(d3.keys(data[0]).filter(function(key) { return key !== "date"; }));
  data.forEach(function(d) {
  	d.date = parseDate(d.date);
  });

  var browsers = stack(color.domain().map(function(name) {
    return {
      name: name,
      values: data.map(function(d) {
        return {date: d.date, y: d[name] * 1};
      })
    };
  }));

  // Find the value of the day with highest total value
  var maxDateVal = d3.max(data, function(d){
    var vals = d3.keys(d).map(function(key){ return key !== "date" ? d[key] : 0 });
    return d3.sum(vals);
  });

  // Set domains for axes
  x.domain(d3.extent(data, function(d) { return d.date; }));
  y.domain([0, maxDateVal])

  var browser = svg.selectAll(".browser")
      .data(browsers)
    .enter().append("g")
      .attr("class", "browser");

  browser.append("path")
      .attr("class", "area")
      .attr("d", function(d) { return area(d.values); })
      .style("fill", function(d) { return color(d.name); });

  browser.append("text")
      .datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; })
      .attr("transform", function(d) { return "translate(" + x(d.value.date) + "," + y(d.value.y0 + d.value.y / 2) + ")"; })
      .attr("x", -6)
      .attr("dy", ".35em")
      .text(function(d) { return d.name; });

  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);

  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis);
});

</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
date	Kermit	piggy	Gonzo	fuzzy	hogthrob	animal	floyd	Gabriel	Beaker	scooter	statler	waldorf	slim	sam
13-Oct-31	113.44	435.15	19.57	60.55	53.02	268.28	87.34	1.98	0	31.68	0	21.59	4.82	11.31
13-Nov-30	109.86	506.85	18.97	58.77	388.37	131.48	85.34	1.98	0	48.50	0	21.59	4.70	11.31
13-Dec-31	113.46	644.88	19.57	60.57	669.47	0	87.46	1.98	0	80.97	0	21.59	4.82	11.43
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	body {
	font: 10px sans-serif;
	}

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

	.browser text {
	text-anchor: end;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.js"></script>
	<script>

	var margin = {top: 20, right: 20, bottom: 30, left: 50},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	var parseDate = d3.time.format("%y-%b-%d").parse;
	//formatPercent = d3.format(".0%");

	var x = d3.time.scale()
	.range([0, width]);

	var y = d3.scale.linear()
	.range([height, 0]);

	var color = d3.scale.category20();

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

	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left")
	//.tickFormat(formatPercent);

	var area = d3.svg.area()
	.x(function(d) { return x(d.date); })
	.y0(function(d) { return y(d.y0); })
	.y1(function(d) { return y(d.y0 + d.y); });

	var stack = d3.layout.stack()
	.values(function(d) { return d.values; });

	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.csv("data.csv", function(error, data) {
	color.domain(d3.keys(data[0]).filter(function(key) { return key !== "date"; }));
	data.forEach(function(d) {
	d.date = parseDate(d.date);
	});

	var browsers = stack(color.domain().map(function(name) {
	return {
	name: name,
	values: data.map(function(d) {
	return {date: d.date, y: d[name] * 1};
	})
	};
	}));

	// Find the value of the day with highest total value
	var maxDateVal = d3.max(data, function(d){
	var vals = d3.keys(d).map(function(key){ return key !== "date" ? d[key] : 0 });
	return d3.sum(vals);
	});

	// Set domains for axes
	x.domain(d3.extent(data, function(d) { return d.date; }));
	y.domain([0, maxDateVal])

	var browser = svg.selectAll(".browser")
	.data(browsers)
	.enter().append("g")
	.attr("class", "browser");

	browser.append("path")
	.attr("class", "area")
	.attr("d", function(d) { return area(d.values); })
	.style("fill", function(d) { return color(d.name); });

	browser.append("text")
	.datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; })
	.attr("transform", function(d) { return "translate(" + x(d.value.date) + "," + y(d.value.y0 + d.value.y / 2) + ")"; })
	.attr("x", -6)
	.attr("dy", ".35em")
	.text(function(d) { return d.name; });

	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis);

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis);
	});

	</script>