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Scatterplot with Multiple Series
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license: gpl-3.0 |
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x | y1 | y2 | |
---|---|---|---|
5 | 90 | 22 | |
25 | 30 | 25 | |
45 | 50 | 80 | |
65 | 55 | 9 | |
85 | 25 | 95 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font: 10px sans-serif; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #000; | |
shape-rendering: crispEdges; | |
} | |
.point { | |
stroke: #000; | |
} | |
</style> | |
<body> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script> | |
var margin = {top: 20, right: 20, bottom: 30, left: 40}, | |
width = 960 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var x = d3.scale.linear() | |
.range([0, width]); | |
var y = d3.scale.linear() | |
.range([height, 0]); | |
var z = d3.scale.category10(); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
d3.csv("data.csv", function(error, data) { | |
if (error) throw error; | |
// Compute the series names ("y1", "y2", etc.) from the loaded CSV. | |
var seriesNames = d3.keys(data[0]) | |
.filter(function(d) { return d !== "x"; }) | |
.sort(); | |
// Map the data to an array of arrays of {x, y} tuples. | |
var series = seriesNames.map(function(series) { | |
return data.map(function(d) { | |
return {x: +d.x, y: +d[series]}; | |
}); | |
}); | |
// Compute the scales’ domains. | |
x.domain(d3.extent(d3.merge(series), function(d) { return d.x; })).nice(); | |
y.domain(d3.extent(d3.merge(series), function(d) { return d.y; })).nice(); | |
// Add the x-axis. | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(d3.svg.axis().scale(x).orient("bottom")); | |
// Add the y-axis. | |
svg.append("g") | |
.attr("class", "y axis") | |
.call(d3.svg.axis().scale(y).orient("left")); | |
// Add the points! | |
svg.selectAll(".series") | |
.data(series) | |
.enter().append("g") | |
.attr("class", "series") | |
.style("fill", function(d, i) { return z(i); }) | |
.selectAll(".point") | |
.data(function(d) { return d; }) | |
.enter().append("circle") | |
.attr("class", "point") | |
.attr("r", 4.5) | |
.attr("cx", function(d) { return x(d.x); }) | |
.attr("cy", function(d) { return y(d.y); }); | |
}); | |
</script> |
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Thank you for your post :). It helped me 👍