D3 Examples - gini curves

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
body {
  font: 14px sans-serif;
}
​
.axis path,
  
.axis line {
  fill: none;
  stroke: #e5e5e5;
  shape-rendering: crispEdges;
}
​
.axis path {
  display: none;
}
​
.line {
  fill: none;
  stroke-width: 1px;
  opacity: 1;
}
​
.androgs {
  fill: none;
  stroke: #aaa;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-width: 1.5px;
}
  
.androg--hover {
  stroke: #000;
  stroke-width: 20px
}
  
  
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
var margin = {top: 60, right: 80, bottom: 60, left: 80},
    width = 700 - margin.left - margin.right,
    height = 460 - margin.top - margin.bottom;
​
var x = d3.scale.linear()
    .range([0, width])
      .domain([12,1]);
​
var y = d3.scale.linear()
    .range([height, 0])
    .domain([0,1]);
​
var color = d3.scale.ordinal()
    .range(["#e4b31f", "#9d1422", "#f9db9e", "#f4a3a5", "#f1624f"])
    .domain(["A","B","C","D","E"]);
​
var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .tickFormat(d3.format("d"));
​
var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .ticks(5)
    .tickSize(-width, 0, 0);
​
var line = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.rank); })
    .y(function(d) { return y(d.cohort); });
​
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("wins.txt", function(error, data) {
  if (error) throw error;
  
  data.forEach(function (d,i) {
      d.rank = +d.rank;
      d.A = +d.A;
      d.B = +d.B;
      d.C = +d.C;
    d.D = +d.D;
    d.E = +d.E;
  })
​
  var keys = d3.keys(data[0]).filter(function(key) { return key !== "rank"; });
  
  var cohortLines = keys.map(function(name) {
    return {
      name: name,
      values: data.map(function(d) {
            return {
                rank: d.rank,
                cohort: d[name]};
        })
    };
  });
​
  //Append axes
  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);
​
  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis);
​
  
    //Append the lines
    var lines = svg.selectAll(".lines")
        .data(cohortLines)
        .enter().append("g")
        .attr("class", "lines");
​
    //Very thick barely visible line
    lines.append("path")
        .attr("class", "line")
        .attr("d", function(d) { return line(d.values); })
        .style("stroke", function(d) { return color(d.name); })
        .style("stroke-width", 10)
        .style("opacity", 0.05)
       .on("mouseover", function() {
  d3.select(this)
      .style("stroke-width", 20)
          .classed("androg--hover", true ) 
})
  .on("mouseout",  function() {
  d3.select(this)
     .style("stroke-width", 10)
         .classed("androg--hover", true)
  })
  ;
        
    //Thick rather difficult to see line
    lines.append("path")
        .attr("class", "line")
        .attr("d", function(d) { return line(d.values); })
        .style("stroke", function(d) { return color(d.name); })
        .style("stroke-width", 6)
        .style("opacity", 0.1)
  ;
            
    //Actual full opacity thin line     
    lines.append("path")
            .attr("class", "line")
            .attr("d", function(d) { return line(d.values); })
            .style("stroke", function(d) { return color(d.name); })
            .style("stroke-width", 1.5)
 ;
​
​
  
  
  
});
​
</script>
    