D3 Examples - Chapter 5 : Scatterplot

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Loading CSV Data</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
​
            circle:hover {
                fill: #A39;
            }
​
            .axis text {
                font-family: sans-serif;
                font-size: 11px;
            }
        </style>
    </head>
    <body>
        <h2>
        Langages speaked proportion in canadian circonscriptions : 
        </h2>
        <p>
        Proportion of primarily english speaking people in function of the proportion of primarily french speaking people in canadian circonscriptions (source : <a href="https://www.statcan.gc.ca/"> StatCan</a>)
        </p>
        <script type="text/javascript">     
​
        var h = 600;
        var w = 600;
​
        var svg = d3.select("body")
        .append("svg")
        .attr("width", w)
        .attr("height", h); 
​
        var padding = [50,10,10,50] //top, right, bottom, left
​
        var xScale = d3.scale.linear()
                    .range([padding[3], w-padding[1]]);
​
        var yScale = d3.scale.linear()
                    .range([padding[0], h-padding[2]]);
        
        var xAxis = d3.svg.axis()
                          .scale(xScale)
                          .orient("top")
                          .ticks(5);                          
​
        var yAxis = d3.svg.axis()
                          .scale(yScale)
                          .orient("left")
                          .ticks(5);
        
        //Load in contents of CSV file
        d3.csv("https://gist.githubusercontent.com/Alfsig/575130501fb6c7582857/raw/b3f68528cf6580dfc50a29b486d1d2a3e9f86434/data_langage.csv", function(data) {
                console.log(data);
​
                data.sort(function(a,b){
                    return d3.descending(+a.TxAnglais, +b.TxAnglais)
                });
​
                xScale.domain([0, d3.max(data, function(d){return d.TxAnglais})]);
                yScale.domain([0, d3.max(data, function(d){return d.TxFrancais})]);
​
                svg.selectAll("circle")
                    .data(data)
                    .enter()
                    .append("circle")
                    .attr("cx", function(d){
                        return xScale(d.TxAnglais);
                    })
                    .attr("cy", function(d){
                        return yScale(d.TxFrancais);
                    })
                    .attr("r", 5)
                    .attr("fill","rgb(255,100,0)")
                    .append("title")
                    .attr("x", function(d){return xScale(d.TxAnglais)})
                    .attr("y", function(d){
                        return yScale(d.TxFrancais);
                    })
                    .text(function(d){
                        return "Circonscription " + d.Geo_code + " : English : " + (100*parseFloat(d.TxAnglais)).toFixed(3)+" % and French : "+ (100*parseFloat(d.TxFrancais)).toFixed(3) + " %";
                    })
                
                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate("+0+","+ (padding[0])+ ")")
                    .call(xAxis)
                    .append("text")
                    .attr("class", "label")
                    .attr("x", (w - 22))
                    .attr("y", -6)
                    .style("text-anchor", "end")
                    .text("English speakers");  
                
                svg.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate("+ (padding[3]) +","+0+")")
                    .call(yAxis)
                    .append("text")
                    .attr("class", "label")
                    .attr("transform", "rotate(-90)")
                    .attr("x", -55)
                    .attr("y", 5)
                    .attr("dy", ".91em")
                    .style("text-anchor", "end")
                    .text("French speakers");
​
            });
​
​
        </script>
​
    </body>
</html>
​
    