A basic scatterplot that loads data, scales and axes and updates domains based on extrema. Uses Mike Bostock's margin conventions and the data for Anscombe's Quartet.
forked from kpq's block: Basic starter code for many simple D3 charts
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October 26, 2016 23:40
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Basic starter code for many simple D3 charts, v4
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style type="text/css"> | |
| body { | |
| font-family: arial, sans; | |
| font-size: 11px; | |
| } | |
| svg { | |
| border: 1px solid #f0f; | |
| } | |
| .axis line, | |
| .axis path { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| <body> | |
| </body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script type="text/javascript"> | |
| var margin = {top: 20, right: 50, bottom: 20, left: 10}; | |
| var width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| 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 + ")"); | |
| var xScale = d3.scaleLinear() | |
| .range([0,width]); | |
| var yScale = d3.scaleLinear() | |
| .range([height,0]); | |
| var xAxis = d3.axisBottom() | |
| .scale(xScale); | |
| var yAxis = d3.axisRight() | |
| .scale(yScale); | |
| d3.tsv("quartet.tsv", ready); | |
| function ready(error, data) { | |
| if (error) return console.warn(error); | |
| data.forEach(function(d) { | |
| d.xPos = +d.xPos; | |
| d.yPos = +d.yPos; | |
| }); | |
| //update domains based on extrema, which has pluses and minuses | |
| xScale.domain(d3.extent(data, function(d) { return d.xPos; })); | |
| yScale.domain(d3.extent(data, function(d) { return d.yPos; })); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .attr("transform", "translate(" + width + ",0)") | |
| .call(yAxis); | |
| var circleGroup = svg.selectAll(".circle-group") | |
| .data(data).enter().append("g") | |
| .attr("class", "circle-group") | |
| .attr("transform", function(d) { return "translate(" + xScale(d.xPos) + "," + yScale(d.yPos) + ")"; }); | |
| circleGroup.append("circle") | |
| .attr("r", 5); | |
| circleGroup.append("text") | |
| .text(function(d) { return d.xPos + "," + d.yPos; }) | |
| .attr("dx", 5) | |
| .attr("dy", -5); | |
| } | |
| </script> |
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| group | xPos | yPos | |
|---|---|---|---|
| I | 10 | 8.04 | |
| I | 8 | 6.95 | |
| I | 13 | 7.58 | |
| I | 9 | 8.81 | |
| I | 11 | 8.33 | |
| I | 14 | 9.96 | |
| I | 6 | 7.24 | |
| I | 4 | 4.26 | |
| I | 12 | 10.84 | |
| I | 7 | 4.82 | |
| I | 5 | 5.68 | |
| II | 10 | 9.14 | |
| II | 8 | 8.14 | |
| II | 13 | 8.74 | |
| II | 9 | 8.77 | |
| II | 11 | 9.26 | |
| II | 14 | 8.1 | |
| II | 6 | 6.13 | |
| II | 4 | 3.1 | |
| II | 12 | 9.13 | |
| II | 7 | 7.26 | |
| II | 5 | 4.74 | |
| III | 10 | 7.46 | |
| III | 8 | 6.77 | |
| III | 13 | 12.74 | |
| III | 9 | 7.11 | |
| III | 11 | 7.81 | |
| III | 14 | 8.84 | |
| III | 6 | 6.08 | |
| III | 4 | 5.39 | |
| III | 12 | 8.15 | |
| III | 7 | 6.42 | |
| III | 5 | 5.73 | |
| IV | 8 | 6.58 | |
| IV | 8 | 5.76 | |
| IV | 8 | 7.71 | |
| IV | 8 | 8.84 | |
| IV | 8 | 8.47 | |
| IV | 8 | 7.04 | |
| IV | 8 | 5.25 | |
| IV | 19 | 12.5 | |
| IV | 8 | 5.56 | |
| IV | 8 | 7.91 | |
| IV | 8 | 6.89 |
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