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@d3byex
Last active March 4, 2017 00:59
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D3byEX 6.1: Scatter
<!DOCTYPE html>
<html>
<head>
<meta name="description" content="D3byEX 6.1" />
<meta charset="utf-8">
</head>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var url = "https://gist.githubusercontent.com/d3byex/520e6dcb30e673c149cc/raw/432623f00f6740021bdc13141612ac0b6196b022/corr_aapl_msft.csv";
d3.csv(url, function(error, rawData) {
var data = rawData.map(function(d) {
return { X: +d.AAPL, Y: +d.MSFT }
});
var xExtents = d3.extent(data, function (d) { return d.X; });
var yExtents = d3.extent(data, function (d) { return d.Y; });
var maxExtent = d3.max(
xExtents.concat(yExtents), function(d) { return Math.abs(d); });
var graphWidth = 400, graphHeight = 400;
var radius = 5;
var scale = d3.scale.linear()
.domain([-maxExtent, maxExtent])
.range([0, graphWidth]);
var svg = d3.select('body')
.append('svg')
.attr('width', graphWidth)
.attr('height', graphHeight);
svg.selectAll('circle')
.data(data)
.enter()
.append('circle')
.attr({
cx: function(d) { return scale(d.X); },
cy: function(d) { return scale(d.Y); },
r: radius,
fill: 'steelblue'
});
});
</script>
</body>
</html>
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