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
license: mit |
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
<!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> |
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 |