D3 Examples - Health Spending comparison years 2008

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Adding Tooltips</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: #ddddff;
            }
​
            svg {
                background-color: white;
            }
​
        </style>
    </head>
    <body>
        <h2>Health Care Spending as a Percent of GDP </h2>
        <script type="text/javascript">     
​
​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", 500)
                        .attr("height", 400);
​
            d3.csv("HealthSpending.csv", function(data) {
​
                data.sort(function(a, b) {
                    return d3.descending(+a.YR2008, +b.YR2008);
                });
​
                var GSelect = svg.selectAll("g")
                                .data(data)
                                .enter()
                                .append("g");                          
                                
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                GSelect.append("rect").attr("x", 0)
                    .attr("y", function(d, i) {
                        return i * 20;
                    })
                    .attr("width", function(d) {
                        return d.YR2011 * 30;
                    })
                    .attr("height", 8)
                    .attr("fill", "red")
                    .append("title")
                    .text(function(d) {
                        return d.location + "'s health spending as percent of GDP " + d.YR2011;
                    });
​
                
                GSelect.append("rect").attr("x", 0)
                    .attr("y", function(d, i) {
                        return i * 20 + 10;
                    })
                    .attr("width", function(d) {
                        return d.YR2008 * 30;
                    })
                    .attr("height", 8)
                    .attr("fill", "blue")
                    .append("title")
                    .text(function(d) {
                        return d.location + "'s health spending as percent of GDP " + d.YR2008;
                     });
                     
                    GSelect.append("text")
                    .attr("x", 0)
                    .attr("y", function(d,i) {
                        return i * 20 + 7; })
                    .attr("fill", "#FFFFFF")
                    .attr("font-size", "8px")
                    .attr("font-weight", "bold")
                    .attr("font-family", "sans-serif")
                    .text(function(d) {
                        return d.location + " 2011";
                    });
                    
                    GSelect.append("text")
                    .attr("x", 0)
                    .attr("y", function(d,i) {
                        return i * 20 + 17; })
                    .attr("fill", "white")
                    .attr("font-size", "8px")
                    .attr("font-weight", "bold")
                    .attr("font-family", "sans-serif")
                    .text(function(d) {
                        return d.location + " 2008";
                    });
            });
​
​
        </script>
​
    </body>
</html>
    