Scatter plot testing

forked from anonymous's block: fresh block

forked from anonymous's block: Scatter plot testing

<!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; }
    
    circle {fill:black;}
  </style>
</head>

<body>
  <script>
   var margin = {top: 40, right: 40, bottom:40, left:40}
   
   var width = 960 - margin.left - margin.right,
       height = 500 - margin.top - margin.bottom;
    
   var svg = d3.select("body").append("svg")
   			.attr("width", width + margin.left + margin.right)
				.attr("height", height + margin.top + margin.bottom)
   	.append("g")
   .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
   
    
   	//var data = d3.range(30).map(function(d){return Math.random();});
    
    var color = d3.scaleOrdinal(d3.schemeCategory20);
    
     var x = d3.scaleLinear()
     .range ([0, width]);

var y = d3.scaleLinear()
     .range([height, 0]);

var r = d3.scaleSqrt()
     .range([2,15]);

var xAxis = d3.axisBottom()
      .scale(x);

var yAxis = d3.axisLeft()
      .scale(y);

svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);

svg.append('g')
            .attr('transform', 'translate(0,0)')
        .attr('class', 'y axis')
        .call(yAxis);

d3.csv('iris.csv', function(error, data){
	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; }));
   	r.domain(d3.extent(data, function(d){return d.petal_length; }));
        //console.log(data) 
   	svg.selectAll(".dot").data(data).enter()
   	  .append("circle")
   	  .attr("class","dot")
   	  .attr("cx", function(d) {return x(d.sepal_length);})
   	  .attr("cy", function(d) {return y(d.sepal_width);})
   	  .attr("r", function(d) {return r(d.petal_length)})
   	  .style("fill", function(d) {return color(d.species)})
    
      });
   
  </script>
</body>

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