D3 Examples - House Bar Chart

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>The People's House</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: rgb(129, 181, 188);
            }
​
            svg {
                background-color: rgb(235, 239, 246);
            }
​
        </style>
    </head>
    <body>
​
​
        <script type="text/javascript">     
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​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", 350)
                        .attr("height", 3045);
​
​
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            d3.csv("CDdemographics.csv", function(data) {
​
                data.sort(function(a, b) {
                    //return d3.descending(a.PCT_COLL, b.PCT_COLL);
​
                    //If your numeric values aren't sorting properly,
                    //try commenting out the line above, and instead using:
                    //
                    return d3.descending(+a.PCT_COLL, +b.PCT_COLL);
                    //
                    //Data coming in from the CSV is saved as strings (text),
                    //so the + signs here force JavaScript to treat those
                    //strings instead as numeric values, thereby fixing the
                    //sort order (hopefully!).
                });
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                var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
​
                rects.attr("x", 0)
                    .attr("y", function(d, i) {
                        return i*7;
                    })
                    .attr("width", function(d) {
                        return d.PCT_COLL*5;
                    })
                    .attr("height", 5)
                    .append("title")
                    .text(function(d) {
                        return d.DISTRICT + ": " + d.PCT_COLL + "% are college graduates";
                    });
​
            });
​
​
        </script>
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    </body>
</html>
    