D3 Examples - Linear representation of the women seats in parliament in Cuba and in the USA

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<html>
    <head> 
        <title>Gender balance in Cuba and in the USA, 2013</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.min.js"> </script>
        <style type="text/css">
    body {
    background-color: ivory;
    font-family: sans-serif;
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}
​
h1 {
    font-size: 20px;
    margin: 0;
    font-family: verdana;
    color: dimgray;
}
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p {
    font-size: 14px;
    margin: 10px 0 0 0;
    font-family: sans-serif;
    color: dimgray;
​
}
​
svg {
    background-color: ivory; 
}
​
​
    .axis path,
    .axis line {
        fill: none;
        stroke: dimgray;
        shape-rendering: crispEdges;
​
​
    }
    .axis text {
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        font-family: verdana;
        font-size: 14px;
​
​
    }
​
    /*.y.axis path,
    .x.axis line {
        opacity: 0; } */
    
​
</style>
​
​
     </head>
     <body> 
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        <h1> Gender balance in Cuba and in the USA </h1>
        
        <p>Percentage of parliamentary seats held by women in Cuba and in the USA expressed as a ratio of those held by men - source: <a href="https://https://hdr.undp.org/en">UNDP human development index</a>,2014</p>
        <script type="text/javascript"> 
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​
        var w = 800;
        var h = 500;
        var padding = [20, 10, 50, 150]; //top, right, bottom, left
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        var dateFormat = d3.time.format("%Y");
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        var xScale = d3.time.scale()
                                    .range([ padding[3], w - padding[1] - padding[3] ]);
​
        var yScale = d3.scale.linear()
                                    .range([ padding[0], h - padding[2] ]);
​
​
​
        var xAxis = d3.svg.axis()
                        .scale(xScale)
                        .orient("bottom")
                        .ticks(7)
                        .tickFormat(function(d) {
                                return dateFormat(d);
                        });
​
        var yAxis = d3.svg.axis()
                        .scale(yScale)
                        .orient("left");
​
​
        var line = d3.svg.line()
                .x(function(d) {
                        return xScale(dateFormat.parse(d.year));
                }) 
                .y(function(d){
                        return yScale(d.womenseats);        
                });
​
​
        var svg = d3.select("body")
                    .append("svg")
                    .attr("width", w)
                    .attr("height", h);
​
     d3.csv("USAdata.csv", function(usaData) {
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    d3.csv("CUBAdata.csv", function(cubaData) {
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        var mergeData = usaData.concat(cubaData);
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​
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        xScale.domain([ 
                d3.min(mergeData, function(d) {
                        return dateFormat.parse(d.year);
                }),
                d3.max(mergeData, function(d) {
                        return dateFormat.parse(d.year);
                })
​
        ]);
​
        yScale.domain([
            d3.max(mergeData, function(d) {
                    return +d.womenseats;
                }),
                0
                ]);
​
svg.data([ usaData ])
                        .append("path")
                        .attr("class", "usa")
                        .attr("d", line)
                        .attr("fill", "none")
                        .attr("stroke", "palevioletred")
                        .attr("stroke-width", 5);
                        
​
svg.data([ cubaData ])
                        .append("path")
                        .attr("class", "cuba")
                        .attr("d", line)
                        .attr("fill", "none")
                        .attr("stroke", "mediumvioletred")
                        .attr("stroke-width", 5);
​
                        
                    svg.append("g")
                        .attr("class", "x axis")
                        .attr("transform", "translate(0," + (h - padding[2]) + ")")
                        .call(xAxis);
                    svg.append("g")
                        .attr("class", "y axis")
                        .attr("transform", "translate(" + (padding[3]) + ",0)")
                        .call(yAxis);
                });
                
            });
​
        </script>
​
     </body>
</html>
    