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@vickygisel
Last active December 5, 2016 16:29
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Stacked bar chart
license: mit
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.bar {
fill: steelblue;
}
.axis path {
display: none;
}
</style>
<svg width="960" height="500"></svg>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>
var svg = d3.select("svg"),
margin = {top: 20, right: 20, bottom: 30, left: 40},
width = +svg.attr("width") - margin.left - margin.right,
height = +svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var x = d3.scaleBand()
.rangeRound([0, width])
.padding(0.1)
.align(0.1);
var y = d3.scaleLinear()
.rangeRound([height, 0]);
//var z = d3.scaleOrdinal()
// .range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
var z = d3.scaleOrdinal(d3.schemeCategory20c);
var stack = d3.stack();
d3.csv("matricula_x_sala_x_region.csv", type, function(error, data) {
if (error) throw error;
data.sort(function(a, b) { return b.total - a.total; });
x.domain(data.map(function(d) { return d.region; }));
y.domain([0, d3.max(data, function(d) { return d.total; })]).nice();
z.domain(data.columns.slice(1));
g.selectAll(".serie")
.data(stack.keys(data.columns.slice(1))(data))
.enter().append("g")
.attr("class", "serie")
.attr("fill", function(d) { return z(d.key); })
.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
.attr("x", function(d) { return x(d.data.region); })
.attr("y", function(d) { return y(d[1]); })
.attr("height", function(d) { return y(d[0]) - y(d[1]); })
.attr("width", x.bandwidth());
g.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x));
g.append("g")
.attr("class", "axis axis--y")
.call(d3.axisLeft(y).ticks(10, "s"))
.append("text")
.attr("x", 2)
.attr("y", y(y.ticks(10).pop()))
.attr("dy", "0.35em")
.attr("text-anchor", "start")
.attr("fill", "#000")
.text("Population");
var legend = g.selectAll(".legend")
.data(data.columns.slice(1).reverse())
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; })
.style("font", "10px sans-serif");
legend.append("rect")
.attr("x", width - 18)
.attr("width", 18)
.attr("height", 18)
.attr("fill", z);
legend.append("text")
.attr("x", width - 24)
.attr("y", 9)
.attr("dy", ".35em")
.attr("text-anchor", "end")
.text(function(d) { return d; });
});
function type(d, i, columns) {
for (i = 1, t = 0; i < columns.length; ++i) t += d[columns[i]] = +d[columns[i]];
d.total = t;
return d;
}
</script>
region lactantes deambuladores 2 3 4 5
1 74 85 840 4579 5472 7321
2 0 0 482 4279 5541 7474
3 0 0 253 5107 7708 10552
4 0 0 409 4884 7379 11500
5 0 0 102 4338 8118 13468
6 5 12 297 3706 4600 5838
7 37 88 714 3656 4248 4599
8 0 0 180 4487 6824 8620
9 17 25 41 5406 9714 12807
10 10 22 584 3063 4132 5516
11 3 10 249 3334 5332 8264
12 15 27 469 2679 3228 3489
13 9 36 832 1635 1580 1986
14 0 0 837 2055 2061 2374
15 0 0 426 2066 1915 2492
16 16 41 495 1341 1375 1419
17 0 14 93 810 798 1077
18 0 0 546 1657 1723 2297
19 8 13 325 1761 1973 3056
20 7 13 405 1550 1353 1909
21 0 0 645 1208 1185 1360
22 0 0 214 2613 3405 3796
23 0 0 882 1032 624 1001
24 8 29 462 1559 1544 1756
25 0 0 197 930 928 976
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