D3 Examples - Module 4 Exercise: Corruption Perception Index Scores by Region

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Module 4 Exercise</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
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                font-family: Times, Arial, Tahoma;
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            h1 {
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            p1 {
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            p2 {
                font-size: 12px;
                margin: 0px 0px 20px 10px;
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            p3 {
                font-size: 14px;
                font-family: Arial;
                stroke:blue;
                fill:blue;
                margin: 0px 0px 20px 160px;
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            }
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            svg {
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            rect:hover {
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            .y.axis path,
            .y.axis line {
                opacity: 0;
            }
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        </style>
    </head>
    <body>
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        <h1>Corruption Perception</h1>
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        <p1>Corruption Perception Index &ldquo;Corruption Perception &rdquo; scores by region. Source: <a href="https://www.transparency.org/cpi2014/results">CPI</a>, 2014</p>
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        <p2> Regions:
        EU= European Union and Western Europe
                         AP= Asia Pacific
                         AM= Americas
                         ME= Middle East and North Africa
                         AF= Sub Saharan Africa
                         EE= Eastern Europe and Central Asia</p>
        <p3> Worst Performing Countries<  -------------  >BestPerforming Countries</p>               
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        <script type="text/javascript">                 
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            var w = 800;
            var h = 600;
            var padding = [ 20, 20, 30, 120 ];  //Top, right, bottom, left
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​
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            var widthScale = d3.scale.linear()
                                .range([ 0, w - padding[1] - padding[3] ]);
            
            var heightScale = d3.scale.ordinal()
                                .rangeRoundBands([ padding[0], h - padding[2] ], 0.6);
​
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            var xAxis = d3.svg.axis()
                            .scale(widthScale)
                            .orient("bottom");
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            var yAxis = d3.svg.axis()
                            .scale(heightScale)
                            .orient("left");
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​
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            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);
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            d3.csv("CPI1314.csv", function(data) {
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                data.sort(function(a, b) {
                    return d3.descending(+a.cpi2014Score, +b.cpi2014Score);
                });
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                widthScale.domain([ 0, d3.max(data, function(d) {
                    return +d.cpi2014Score;
                }) ]);
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                heightScale.domain(data.map(function(d) { return d.Region; } ));
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                var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
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                rects.attr("x", padding[3])
                    .attr("y", function(d) {
                        return heightScale(d.Region);
                    })
                    .attr("width", function(d) {
                        return widthScale(d.cpi2014Score);
                    })
                    .attr("height", heightScale.rangeBand())
                    .attr("fill", function(d) {
                        if (d.Region=="AP") {return "#F8E0E6"}
                        if (d.Region=="EE") {return "#FA5882"}
                        if (d.Region=="ME") {return "#F5A9BC"}
                        if (d.Region=="AF") {return "#F7819F"}
                        if (d.Region=="EU") {return "#FBEFF2"}
                        if (d.Region=="AM") {return "#F6CED8"}
                    })
                    .append("title")
                    .text(function(d) {
                        return d.countryorTerritory + "'s CPI 2014 score is " + d.cpi2014Score;
                    });
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                svg.append("g")
                    .attr("class", "x axis")
                    .attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
                    .call(xAxis);
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                svg.append("g")
                    .attr("class", "y axis")
                    .attr("transform", "translate(" + padding[3] + ",0)")
                    .call(yAxis);
            });
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        </script>
    
    </body>
</html>
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