D3 Examples - Total Degrees by Higher-Ed System Bar Chart

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Total Degrees by Higher-Ed System bar chart</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        
    </head>
    <body>
​
        <script type="text/javascript">     
​
​
            var svg = d3.select("body")
                        .append("svg")
                        .attr("width", 600)
                        .attr("height", 600);
​
​
​
            d3.csv("degrees.csv", function(data) {
​
                data.sort(function(a, b) {
                    return d3.descending(a.total, b.total);
​
                    //If your numeric values aren't sorting properly,
                    //try commenting out the line above, and instead using:
                    //
                    //return d3.descending(+a.lifeSatisfaction, +b.lifeSatisfaction);
                    //
                    //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!).
                });
​
                var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
​
                rects.attr("x", 0)
                    .attr("y", function(d, i) {
                        return i * 18;
                    })
                    .attr("width", function(d) {
                        return d.total / 200;
                    })
                    .attr("fill", "orange")
                    .attr("height", 15)
                    .append("title")
                    .text(function(d) {
                        return "The total number of degrees from " + d.system + " in " + d.year + " is " + d.total;
                    });
​
            });
​
​
        </script>
​
    </body>
</html>
    