D3 Examples - alpha_frequencies1

xxxxxxxxxx
 
<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <script>
    
    var width = 960;
    var height = 500;
    var xScale = d3.scaleLinear()
                        .range([0, width]);
    
    d3.csv("alpha_frequencies.csv", function(error,dataset){
      console.log(dataset);
    
      dataset.forEach(function(d){
        d.frequency = +d.frequency; //parseFloat(d.frequency) 
      })
      dataset.sort(function(a,b){
                  return b.frequency - a.frequency
      })
      var max_freq = d3.max(dataset, function(d) {
        return d.frequency;
      });
      
      xScale.domain([0, max_freq]);
      
      var chart = d3.select("body")
                                .append("svg")
                                .attr("width", width)
                                .attr("height", height);
      
      var rects = chart.selectAll("rect").data(dataset);
      
      rects.enter()
      .append("rect")
      .attr("x",0)
      .attr("y", function(d,i){
        return i*20;
      })
      .attr("height",18)
      .attr("width", function(d,i){
        return xScale(d.frequency);
      })
      
    })
  </script>
</body>
​
    