D3 Examples - iris scatteplot simple

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>
    // Feel free to change or delete any of the code you see in this editor!
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
​
    var data = d3.range(100).map(function(d) {
      return {"x": Math.random(), "y": Math.random()}
    })
    
    var x = d3.scaleLinear()
        //.domain([0, d3.max(data, function(d) { return d.x; })])
        .range([200, 600]);
​
    var y = d3.scaleLinear()
        //.domain([0, d3.max(data, function(d) { return d.y; })])
        .range([100, 400]);
​
        var color = d3.scaleOrdinal(d3.schemeCategory20);
    
    d3.text('iris.csv', function(error, raw){
      var dsv = d3.dsvFormat(',')
      var data = dsv.parse(raw);
      
      data.forEach(function(d){
        d.sepal_length = +d.sepal_length;
        d.sepal_width  = +d.sepal_width;
        d.petal_length = +d.petal_length;
        d.petal_width  = +d.petal_width;
      });
      
      x.domain(d3.extent(data, function(d) { return d.sepal_length; }))
      y.domain(d3.extent(data, function(d) { return d.sepal_width; }))
​
      
    svg.selectAll("circle").data(data).enter()
        .append("circle")
        .style("fill", function(d, i) { return color(d.species); })
        .style("stroke", "black")
        .attr("r", 10)
        .attr("cx", function(d) { return x(d.sepal_length); })
        .attr("cy", function(d) { return y(d.sepal_width); })
    
    })
      
​
  </script>
</body>
​
    