Alpha Frequencies

<!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 x = 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;
                                            });
// Set Domain of the scale
x.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("width", function(d) { return x(d.frequency); })
	 .attr("y", function(d, i) { return i * 20})
   .attr("height", 18);

});

</script>
</body>

https://d3js.org/d3.v4.min.js