gapminder scatterplot live demo

forked from almccon's block: gapminder live demo

<!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 svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)

d3.csv("gapminder_avg.csv", function(data){
      
      data.forEach(function(d) {
        
        d.population = +d.population;
        d.lifeexp = +d.lifeexp;
        d.gdp = +d.gdp;
        
      });
      
      var filteredData = data
      		.sort(function(a,b) {
            return a.population < b.population;
          })
      
      console.log(filteredData);
      
      var xScale = d3.scaleLinear()
    	  .domain([0,40000])
        .range([100,800]);
      var yScale = d3.scaleLinear()
    	  .domain([30,d3.max(
          	filteredData,
          	function(d) {
              	return d.lifeexp;
            })
                ])
        .range([400,100]);
      var rScale = d3.scaleSqrt()
      	.domain([0,1000000000])
      	.range([0,50])
      var colorScale = d3.scaleOrdinal(
        d3.schemeCategory10
      );
      
      var svgElements = svg.selectAll("g")
      		.data(filteredData)
        .enter()
      		.append("g");
      
      svgElements
      		.append("circle")
      		.attr("cy", function(d) {return yScale(d.lifeexp);})
      		.attr("cx", function(d) {return xScale(d.gdp);})
					.attr("r", function(d) {return rScale(d.population);})
          .attr("opacity",0.8)
      		.attr("fill",function(d) {
        	return colorScale(d.region);
      })

var leftAxis = d3.axisLeft(yScale);
      var bottomAxis = d3.axisBottom(xScale);

svg.append("g")
          .attr("transform", "translate(100,0)")
          .call(leftAxis);

svg.append("g")
          .attr("transform", "translate(0,400)")
          .call(bottomAxis);
     
    })

</script>
</body>

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