D3 Examples - Proporcio de pensions no contributives entre persones amb 65 anys o mes a les Comarques de Catalunya.

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<html lang="en">
<head>
    <meta charset="utf-8">
    <title>Showing the non contributive pensions</title>
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            h1 {
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            p {
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                margin: 10px 0 0 0;
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            p.aclariment{
                font-size: 8px;
                font-family: Courier, "Lucida Console", monospace;
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            rect:hover {
                fill: orange;
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            .y.axis text{
                font-size: 8px;
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            .y.axis path,
            .y.axis line {
                opacity: 0;
            }
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    </style>
    <script tpye="text/javascript" src="https://d3js.org/d3.v3.js"></script>
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<body>
        <h1>Distribució de les pensions no contributives a les comarques de Catalunya</h1>
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        <p>Proporció de &ldquo;pensions no contributives&rdquo; cada mil habitants de més de 65 anys a la comarca.</p>
         <p> Font: Elaboració pròpia en base a <a href="https://www.idescat.cat/pub/?id=aec&n=254">Idescat</a> i <a href="https://benestar.gencat.cat/ca/serveis/ajuts_i_prestacions_economiques/pensions_no_contributives/">DOG</a></p>
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    <script type="text/javascript">
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        var w = 700;
        var h = 600;
        var padding = [20, 10, 20, 100];
        //Top, right, bottom, left
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        var widthScale = d3.scale.linear()
                            .range([0, w - padding[1] - padding[3]]);
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        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")
                    .ticks(4);
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        var yAxis = d3.svg.axis()
                    .scale(heightScale)
                    .orient("left");
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        var svg = d3.select("body")
                .append("svg")
                .attr("width", w)
                .attr("height", h);
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        d3.csv("noncontrib2.csv", function(dataset) {
            //console.log(data);
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            //Here we create a new variable within the dataset
            dataset.forEach(function(d) {d.noncp65 = d.Njubilacio/(d.Poblacio*d.Poblacio65/100);});
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            //Here we sort the data
            dataset.sort(function(a,b) {return d3.descending(+a.noncp65, +b.noncp65);});
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            //Here we sort the data with an alternative function
            //dataset.sort(function(a,b) {return b.Njubilacio - a.Njubilacio;});
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            widthScale.domain([0, d3.max(dataset, function(d){
                return +d.noncp65*1000;
            })]);
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            //heightScale.domain(d3.range(dataset.length));
            heightScale.domain(dataset.map(function (d){
                return d.Comarca;
            }));
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            var rects = svg.selectAll("rect")
                .data(dataset)
                .enter()
                .append("rect");
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            rects.attr("x", padding[3])
                .attr("y", function(d,i) {
                    return heightScale(d.Comarca);
                })
                .attr("width", function(d) {
                    //return d.Njubilacio/(d.Poblacio65/100*d.Poblacio)*10000;
                    return widthScale(d.noncp65*1000);
                    //return d.Njubilacio/10
                })
                .attr("height", heightScale.rangeBand())
                .attr("fill", function(d) {return "rgb(0, 0, " + (d.Njubilacio) + ")";})
                .append("title")
                //.style("font-size", "6px")
                .text(function(d) {
                    //return d.Comarca + "'s number of non contrib pensionist is " + d.Njubilacio;
                    return d.Comarca + "'s ratio of non contrib pensionist per 1000 hab over 65 year is " + Math.round(d.noncp65*10000)/10 + " while the absolute number of non contrib pensionist is " + d.Njubilacio;
                });
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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);
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        });
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    </script>
         <p class="aclariment"> Els colors més clars indiquen un número absolut de pensions contributives més alt </p>
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