D3 Examples - Personal Belief Exemptions for Immunizations

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Personal Belief Exemptions</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            
            body {
                background-color: white;
                font-family: Helvetica, Arial, sans-serif;
            }
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            h1 {
                font-size: 24px;
                margin: 0;
                text-indent: 20px;
            }
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            p {
                font-size: 14px;
                margin: 10px 0 0 0;
                text-indent: 20px;
            }
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            svg {
                background-color: white;
            }
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            rect:hover {
                fill: yellow;
            }
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: sans-serif;
                font-size: 11px;
            }
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            .y.axis path,
            .y.axis line {
                opacity: 0;
            }
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        </style>
    </head>
    <body>
        <h1>Is it (a) right to refuse shots?</h1>
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        <p>Percent kindergarteners with personal belief exemptions (PBEs) for immunizations in San Francisco and Marin county (2014-2015).</p>
        <p>    Source: <a href="https://data.gov">Data.gov</a></p>
        <br>
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        <script type="text/javascript">     
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​
            var w = 1000;
            var h = 400;
            var padding = [ 20, 10, 50, 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] ], 0.1);
​
​
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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("immunizationsM3.csv", function(data) {
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                //data.sort(function(a, b) {
                //  return d3.descending(+a.PBEpercent100, +b.PBEpercent100);
                //});
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                widthScale.domain([ 0, 20]);
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                heightScale.domain(data.map(function(d) { return d.SchoolType; } ));
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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.SchoolType);
                    })
                    .attr("width", function(d) {
                        return widthScale(d.PBEpercent100);
                    })
                    .attr("height", heightScale.rangeBand())
                    .attr("fill", "orange")
                    .append("title")          
                    .text(function(d) {
                       return "% of kindergarteners with PBEs in " + d.SchoolType + " schools is " + d.PBEpercent100 + ".";
                    });
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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);
                
                svg.append("line")
                    .attr("x1",555)
                    .attr("y1",10)
                    .attr("x2",555)
                    .attr("y2",350)
                    .attr("fill","gray")
                    .attr("stroke","gray")
                    .attr("stroke-width","1px")
            
                 svg.append("text")
                    .attr("x",560)
                    .attr("y",20)
                    .text(">10% PBEs put population at risk for disease outbreak")
                    .attr("stroke-width","1px")
                    .attr("color","black")
                    .attr("font-size","14");
                
            });
            
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​
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        </script>
    </body>
</html>
    