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 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})                                                         // Set domain of the scale     
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('width', function(d) {return xScale(d.frequency)}).attr('y', function(d,i) {return i*20}).attr('height',10);                                                              console.log(dataset)                                                        	});
  </script>
</body>

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