Milage vs Price

A standalone D3 scatter plot.

This is example 106 of the screencast Introduction to D3

forked from curran's block: Standalone Scatter Plot

forked from uicoded's block: Standalone Scatter Plot

forked from uicoded's block: MPG vs Cost

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>D3 Example</title>
    <script src="https://cdn.jsdelivr.net/npm/d3@3.5.17/d3.min.js"></script>
<link href="https://fonts.googleapis.com/css?family=PT+Sans+Narrow" rel="stylesheet">
    <style>
    
      .axis text {
        font-family: 'PT Sans Narrow', sans-serif;
        font-size: 16pt;
      }
      .axis .label {
        font-size: 20pt;
      }
      .axis path, .axis line {
        fill: none;
        stroke: #000;
        shape-rendering: crispEdges;
      }

</style>
  </head>
  <body>
    <script>
    
      var outerWidth = 960;
      var outerHeight = 500;
      var margin = { left: 60, top: 5, right: 10, bottom: 60 };
			var r = 10;
      var xColumn = "MPG";
      var yColumn = "Price";

var xAxisLabelText = "Miles per Gallon";
      var xAxisLabelOffset = 48;

var yAxisLabelText = "Price";
      var yAxisLabelOffset = 30;

var innerWidth  = outerWidth  - margin.left - margin.right;
      var innerHeight = outerHeight - margin.top  - margin.bottom;

var svg = d3.select("body").append("svg")
        .attr("width", outerWidth)
        .attr("height", outerHeight);
      
      var g = svg.append("g")
        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
      
      var xAxisG = g.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + innerHeight + ")")
      
      var xAxisLabel = xAxisG.append("text")
        .style("text-anchor", "middle")
        .attr("x", innerWidth / 2)
        .attr("y", xAxisLabelOffset)
        .attr("class", "label")
        .text(xAxisLabelText);
      
      var yAxisG = g.append("g")
        .attr("class", "y axis");
      
      var yAxisLabel = yAxisG.append("text")
        .style("text-anchor", "middle")
        .attr("transform", "translate(-" + yAxisLabelOffset + "," + (innerHeight / 2) + ") rotate(-90)")
        .attr("class", "label")
        .text(yAxisLabelText);

var xScale = d3.scale.linear().range([0, innerWidth]);
      var yScale = d3.scale.linear().range([innerHeight, 0]);

var xAxis = d3.svg.axis().scale(xScale).orient("bottom")
        .ticks(10)
        .tickFormat(d3.format("s"))
        .outerTickSize(0);

var yAxis = d3.svg.axis().scale(yScale).orient("left")
        .ticks(5)
        .tickFormat(d3.format("s"))
        .outerTickSize(0);

function render(data){
        xScale.domain(d3.extent(data, function (d){ return d[xColumn]; }));
        yScale.domain(d3.extent(data, function (d){ return d[yColumn]; }));

xAxisG.call(xAxis);
        yAxisG.call(yAxis);

var circles = g.selectAll("circle").data(data);
        circles.enter().append("circle");
        circles
          .attr("cx",      function (d){ return       xScale(d[xColumn]);     })
          .attr("cy",      function (d){ return       yScale(d[yColumn]);     })
          .attr("r",       r)
          .attr("fill",    "gray");

circles.exit().remove();
      }

function row(d){
        d.Year = +d.Year;
        d.Price  = +d.Price;
        d.MPG = +d.MPG;
        return d;
      }

d3.csv("car-makers.csv", row, render);

</script>
  </body>
</html>

https://cdn.jsdelivr.net/npm/d3@3.5.17/d3.min.js