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D3byEX 6.1: Scatter Plot (Adapted to D3.js v4)
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| <!DOCTYPE html> | |
| <html> | |
| <meta charset=utf-8> | |
| <head> | |
| <meta name="description" content="D3.js v4, .scaleLinear, scatter plot, | |
| SVG Container, .csv data file" /> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v4.js"></script> | |
| <script src="https://d3js.org/d3-selection-multi.v1.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 } // unary oper converts str to int | |
| }); | |
| 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.scaleLinear() // v4 | |
| .domain([-maxExtent, maxExtent]) | |
| .range([0, graphWidth]); | |
| var svg = d3.select('body') | |
| .append('svg') | |
| .attrs({width: graphWidth, height: graphHeight}); | |
| svg.selectAll('circle') | |
| .data(data) | |
| .enter() | |
| .append('circle') | |
| .attrs({ // v4 | |
| 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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View Scatter Plot live at CodePen.io: Scatter Plot