Simple stream 2016 by devgru

index.html

<!DOCTYPE html>
<meta charset='utf-8'>
<style>
    body { font: 10px sans-serif; }
    p { font: 12px helvetica; }

    .axis path, .axis line {
        fill: none;
        stroke: #000;
        shape-rendering: crispEdges;
    }
</style>
<body>
<script src='//d3js.org/d3.v3.js'></script>
<script src='//d3js.org/colorbrewer.v1.js'></script>
<script>
    var format = d3.time.format('%m/%d/%y')
    var margin = {
      top: 20,
      right: 40,
      bottom: 30,
      left: 30
    }
    
    var fullWidth = 600
    var fullHeight = 400
    var width = fullWidth - margin.left - margin.right
    var height = fullHeight - margin.top - margin.bottom
    var x = d3.time.scale()
      .range([0, width])
    var y = d3.scale
      .linear()
      .range([height - 10, 0])
    var color = d3.scale.ordinal()
      .range(colorbrewer.Blues[6])

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

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

    var svg = d3.select('body')
      .append('svg')
      .attr('width', fullWidth)
      .attr('height', fullHeight)
      .append('g')
      .attr('transform', 'translate(' + margin.left + ',' + margin.top + ')')

    d3.csv('stream.csv', function (d) {
      d.date = format.parse(d.date)
      d.value = Number(d.value)
      return d
    }, function (data) {
      var nest = d3.nest()
        .key(function(d) { return d.key })

      nested = nest.entries(data)
        
      var stack = d3.layout.stack()
        .offset('silhouette') // wiggle
        .values(function(d) { return d.values })
        .x(function(d) { return d.date })
        .y(function(d) { return d.value })

      layers = stack(nested)

      x.domain(d3.extent(data, function (d) {
        return d.date
      }))
      y.domain([0, d3.max(data, function (d) {
        return d.y0 + d.y
      })])

      svg.selectAll('.layer')
        .data(layers)
        .enter()
        .append('path')
        .attr('class', 'layer')
        .attr('d', function (d) {
          return area(d.values)
        })
        .style('fill', function (d, i) {
          return color(i)
        })

      svg.append('g')
        .attr('class', 'x axis')
        .attr('transform', 'translate(0,' + height + ')')
        .call(xAxis)
    })
</script>

stream.csv

key,value,date
AR,0.1,01/08/13
AR,0.15,01/09/13
AR,0.35,01/10/13
AR,0.38,01/11/13
AR,0.22,01/12/13
AR,0.16,01/13/13
AR,0.07,01/14/13
AR,0.02,01/15/13
AR,0.17,01/16/13
AR,0.33,01/17/13
AR,0.4,01/18/13
AR,0.32,01/19/13
AR,0.26,01/20/13
AR,0.35,01/21/13
AR,0.4,01/22/13
AR,0.32,01/23/13
AR,0.26,01/24/13
AR,0.22,01/25/13
AR,0.16,01/26/13
AR,0.22,01/27/13
AR,0.1,01/28/13
DJ,0.35,01/08/13
DJ,0.36,01/09/13
DJ,0.37,01/10/13
DJ,0.22,01/11/13
DJ,0.24,01/12/13
DJ,0.26,01/13/13
DJ,0.34,01/14/13
DJ,0.21,01/15/13
DJ,0.18,01/16/13
DJ,0.45,01/17/13
DJ,0.32,01/18/13
DJ,0.35,01/19/13
DJ,0.3,01/20/13
DJ,0.28,01/21/13
DJ,0.27,01/22/13
DJ,0.26,01/23/13
DJ,0.15,01/24/13
DJ,0.3,01/25/13
DJ,0.35,01/26/13
DJ,0.42,01/27/13
DJ,0.42,01/28/13
MS,0.21,01/08/13
MS,0.25,01/09/13
MS,0.27,01/10/13
MS,0.23,01/11/13
MS,0.24,01/12/13
MS,0.21,01/13/13
MS,0.35,01/14/13
MS,0.39,01/15/13
MS,0.4,01/16/13
MS,0.36,01/17/13
MS,0.33,01/18/13
MS,0.43,01/19/13
MS,0.4,01/20/13
MS,0.34,01/21/13
MS,0.28,01/22/13
MS,0.26,01/23/13
MS,0.37,01/24/13
MS,0.41,01/25/13
MS,0.46,01/26/13
MS,0.47,01/27/13
MS,0.41,01/28/13
RC,0.1,01/08/13
RC,0.15,01/09/13
RC,0.35,01/10/13
RC,0.38,01/11/13
RC,0.22,01/12/13
RC,0.16,01/13/13
RC,0.07,01/14/13
RC,0.02,01/15/13
RC,0.17,01/16/13
RC,0.33,01/17/13
RC,0.4,01/18/13
RC,0.32,01/19/13
RC,0.26,01/20/13
RC,0.35,01/21/13
RC,0.4,01/22/13
RC,0.32,01/23/13
RC,0.26,01/24/13
RC,0.22,01/25/13
RC,0.16,01/26/13
RC,0.22,01/27/13
RC,0.1,01/28/13
CG,0.1,01/08/13
CG,0.15,01/09/13
CG,0.35,01/10/13
CG,0.38,01/11/13
CG,0.22,01/12/13
CG,0.16,01/13/13
CG,0.07,01/14/13
CG,0.02,01/15/13
CG,0.17,01/16/13
CG,0.33,01/17/13
CG,0.4,01/18/13
CG,0.32,01/19/13
CG,0.26,01/20/13
CG,0.35,01/21/13
CG,0.4,01/22/13
CG,0.32,01/23/13
CG,0.26,01/24/13
CG,0.22,01/25/13
CG,0.16,01/26/13
CG,0.22,01/27/13
CG,0.1,01/28/13
RI,0.1,01/08/13
RI,0.15,01/09/13
RI,0.35,01/10/13
RI,0.38,01/11/13
RI,0.22,01/12/13
RI,0.16,01/13/13
RI,0.07,01/14/13
RI,0.02,01/15/13
RI,0.17,01/16/13
RI,0.33,01/17/13
RI,0.4,01/18/13
RI,0.32,01/19/13
RI,0.26,01/20/13
RI,0.35,01/21/13
RI,0.4,01/22/13
RI,0.32,01/23/13
RI,0.26,01/24/13
RI,0.22,01/25/13
RI,0.16,01/26/13
RI,0.22,01/27/13
RI,0.1,01/28/13