| license: gpl-3.0 |
An implementation of a box-and-whisker plot in D3.js. From Mike Bostock's similar block:
A box-and-whisker plot uses simple glyphs that summarize a quantitative distribution with five standard statistics: the smallest value, lower quartile, median, upper quartile, and largest value.
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", sans-serif; | |
| margin: 0; | |
| } | |
| .box, .line, .line-dotted { | |
| stroke: #000; | |
| stroke-width: 1.5px; | |
| } | |
| .box { | |
| fill: #fff; | |
| } | |
| .line-dotted { | |
| stroke-dasharray: 3,3; | |
| } | |
| .text { | |
| font-size: .8em; | |
| } | |
| .text.three, .text.one { | |
| text-anchor: end; | |
| } | |
| .label { | |
| text-anchor: middle; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="viz"></div> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://unpkg.com/d3-marcon/build/d3-marcon.min.js"></script> | |
| <script src="https://unpkg.com/jeezy/lib/jeezy.min.js"></script> | |
| <script> | |
| var letters = "abcdefghij".split(""); | |
| var setup = d3.marcon().top(30).bottom(10).left(10).right(10).width(window.innerWidth).height(window.innerHeight); | |
| setup.render(); | |
| var width = setup.innerWidth(), | |
| height = setup.innerHeight(), | |
| svg = setup.svg(); | |
| var x = d3.scaleBand().rangeRound([0, width]).padding(0.8).domain(letters); | |
| var y = d3.scaleLinear().range([height, 0]); | |
| var transitionDelay = function(d, i){ return i * 200; }; | |
| var dy = 6; | |
| function generate_data(){ | |
| return letters.map(function(d){ | |
| return { | |
| id: d, | |
| max: jz.num.randBetween(900, 1000), | |
| min: jz.num.randBetween(0, 100), | |
| three: jz.num.randBetween(650, 850), | |
| median: jz.num.randBetween(400, 600), | |
| one: jz.num.randBetween(150, 350) | |
| }; | |
| }); | |
| } | |
| draw(generate_data()); | |
| d3.interval(function(){ | |
| draw(generate_data()); | |
| }, 2000); | |
| function draw(data){ | |
| // update the y domain | |
| y.domain([d3.min(data, function(d){ return d.min; }), d3.max(data, function(d){ return d.max; })]); | |
| // JOIN | |
| var group = svg.selectAll(".group") | |
| .data(data, function(d, i){ return d.id; }); | |
| var new_group = group.enter() | |
| .append("g") | |
| .attr("class", "group"); | |
| // UPDATE | |
| group.select(".box") | |
| .transition().delay(transitionDelay) | |
| .attr("y", function(d){ return y(d.three); }) | |
| .attr("height", function(d){ return y(d.one) - y(d.three); }); | |
| group.select(".line-dotted.top") | |
| .transition().delay(transitionDelay) | |
| .attr("y1", function(d){ return y(d.three); }) | |
| .attr("y2", function(d){ return y(d.max); }); | |
| group.select(".line-dotted.bottom") | |
| .transition().delay(transitionDelay) | |
| .attr("y1", function(d){ return y(d.one); }) | |
| .attr("y2", function(d){ return y(d.min); }); | |
| group.select(".line.top") | |
| .transition().delay(transitionDelay) | |
| .attr("y1", function(d){ return y(d.max); }) | |
| .attr("y2", function(d){ return y(d.max); }); | |
| group.select(".line.bottom") | |
| .transition().delay(transitionDelay) | |
| .attr("y1", function(d){ return y(d.median); }) | |
| .attr("y2", function(d){ return y(d.median); }); | |
| group.select(".line.med") | |
| .transition().delay(transitionDelay) | |
| .attr("y1", function(d){ return y(d.min); }) | |
| .attr("y2", function(d){ return y(d.min); }); | |
| group.select(".text.top") | |
| .transition().delay(transitionDelay) | |
| .attr("y", function(d){ return y(d.max); }) | |
| .text(function(d){ return d.max; }); | |
| group.select(".text.three") | |
| .transition().delay(transitionDelay) | |
| .attr("y", function(d){ return y(d.three); }) | |
| .text(function(d){ return d.three; }); | |
| group.select(".text.med") | |
| .transition().delay(transitionDelay) | |
| .attr("y", function(d){ return y(d.median); }) | |
| .text(function(d){ return d.median; }); | |
| group.select(".text.one") | |
| .transition().delay(transitionDelay) | |
| .attr("y", function(d){ return y(d.one); }) | |
| .text(function(d){ return d.one; }); | |
| group.select(".text.bottom") | |
| .transition().delay(transitionDelay) | |
| .attr("y", function(d){ return y(d.min); }) | |
| .text(function(d){ return d.min; }); | |
| // ENTER | |
| new_group.append("rect") | |
| .attr("class", "box") | |
| .attr("x", function(d){ return x(d.id); }) | |
| .attr("y", function(d){ return y(d.three); }) | |
| .attr("width", x.bandwidth()) | |
| .attr("height", function(d){ return y(d.one) - y(d.three); }); | |
| new_group.append("line") | |
| .attr("class", "line-dotted top") | |
| .attr("x1", function(d){ return x(d.id) + x.bandwidth() / 2; }) | |
| .attr("x2", function(d){ return x(d.id) + x.bandwidth() / 2; }) | |
| .attr("y1", function(d){ return y(d.three); }) | |
| .attr("y2", function(d){ return y(d.max); }); | |
| new_group.append("line") | |
| .attr("class", "line-dotted bottom") | |
| .attr("x1", function(d){ return x(d.id) + x.bandwidth() / 2; }) | |
| .attr("x2", function(d){ return x(d.id) + x.bandwidth() / 2; }) | |
| .attr("y1", function(d){ return y(d.one); }) | |
| .attr("y2", function(d){ return y(d.min); }); | |
| new_group.append("line") | |
| .attr("class", "line top") | |
| .attr("x1", function(d){ return x(d.id); }) | |
| .attr("x2", function(d){ return x(d.id) + x.bandwidth(); }) | |
| .attr("y1", function(d){ return y(d.max); }) | |
| .attr("y2", function(d){ return y(d.max); }); | |
| new_group.append("line") | |
| .attr("class", "line med") | |
| .attr("x1", function(d){ return x(d.id); }) | |
| .attr("x2", function(d){ return x(d.id) + x.bandwidth(); }) | |
| .attr("y1", function(d){ return y(d.median); }) | |
| .attr("y2", function(d){ return y(d.median); }); | |
| new_group.append("line") | |
| .attr("class", "line bottom") | |
| .attr("x1", function(d){ return x(d.id); }) | |
| .attr("x2", function(d){ return x(d.id) + x.bandwidth(); }) | |
| .attr("y1", function(d){ return y(d.min); }) | |
| .attr("y2", function(d){ return y(d.min); }); | |
| new_group.append("text") | |
| .attr("class", "text top") | |
| .attr("x", function(d){ return x(d.id) + x.bandwidth() + dy; }) | |
| .attr("y", function(d){ return y(d.max); }) | |
| .attr("dy", dy) | |
| .text(function(d){ return d.max; }); | |
| new_group.append("text") | |
| .attr("class", "text three") | |
| .attr("x", function(d){ return x(d.id) - dy; }) | |
| .attr("y", function(d){ return y(d.three); }) | |
| .attr("dy", dy) | |
| .text(function(d){ return d.three; }); | |
| new_group.append("text") | |
| .attr("class", "text med") | |
| .attr("x", function(d){ return x(d.id) + x.bandwidth() + dy; }) | |
| .attr("y", function(d){ return y(d.median); }) | |
| .attr("dy", dy) | |
| .text(function(d){ return d.median; }); | |
| new_group.append("text") | |
| .attr("class", "text one") | |
| .attr("x", function(d){ return x(d.id) - dy; }) | |
| .attr("y", function(d){ return y(d.one); }) | |
| .attr("dy", dy) | |
| .text(function(d){ return d.one; }); | |
| new_group.append("text") | |
| .attr("class", "text bottom") | |
| .attr("x", function(d){ return x(d.id) + x.bandwidth() + dy; }) | |
| .attr("y", function(d){ return y(d.min); }) | |
| .attr("dy", dy) | |
| .text(function(d){ return d.min; }); | |
| new_group.append("text") | |
| .attr("class", "label") | |
| .attr("x", function(d){ return x(d.id) + x.bandwidth() / 2; }) | |
| .attr("y", -10) | |
| .text(function(d){ return d.id; }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
