Stocks transition_1

<!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 dataset
var w = 960;
var h = 500;

d3.csv("stocks.csv", function(error, data){
  if (error){
    console.log(error)
  } else{       
    data.forEach(function(d){
      d.price = +d.price;
      d.year = d3.timeParse("%b %Y")(d.date).getFullYear();
    })
    dataset = data;
    create_vizualisation(dataset);
  }
})

function create_vizualisation(dataset){
  var z = d3.scaleOrdinal()
  						.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
  
  var n_year = d3.nest()
  							 .key(function(d){return d.year})
  							 .entries(dataset)
  							 .length;
  
  var n_symbol = d3.nest()
  							 .key(function(d){return d.symbol})
  							 .entries(dataset)
  							 .length;
  
  var x0 = d3.scaleBand()
    .domain(d3.range(n_year))
    .range([0, w], .2);
  
  var x1 = d3.scaleBand()
      .domain(d3.range(n_symbol))
      .range([0, x0.bandwidth() - 10]);

/*  svg.append("g").selectAll("g")
    .data(nested_dataset)
    .enter().append("g")
    .style("fill", function(d, i){return z(i)})
		.attr("transform", function(d, i) { return "translate(" + x1(i) + ",0)"; })
    .attr("fill", function(d, i){return color(i)})
  .selectAll("rect")
  	.data(function(d) {return d.values})
    .enter().append("rect")
  	.attr("width", x1.bandwidth())
  	.attr("height", function(d){return y(d.value)})
    .attr("x", function(d, i) { return x0(i); })
    .attr("y", function(d) { return h - y(d.value); })
*/

}

</script>
</body>

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