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letter | frequency | |
---|---|---|
A | .08167 | |
B | .01492 | |
C | .02780 | |
D | .04253 | |
E | .12702 | |
F | .02288 | |
G | .02022 | |
H | .06094 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
position: relative; | |
width: 800px; | |
} | |
.axis text { | |
font: 14px sans-serif; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: #002776; | |
shape-rendering: crispEdges; | |
} | |
.bar { | |
fill: #00A1DE; | |
fill-opacity: .9; | |
} | |
.x.axis path { | |
display: none; | |
} | |
label { | |
position: absolute; | |
top: 10px; | |
right: 10px; | |
} | |
</style> | |
<label><input type="checkbox"> Sort values</label> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script> | |
var margin = {top: 20, right: 20, bottom: 30, left: 40}, | |
width = 800 - margin.left - margin.right, | |
height = 500 - margin.top - margin.bottom; | |
var formatPercent = d3.format(".0%"); | |
var x = d3.scale.ordinal() | |
.rangeRoundBands([0, width], .1, 1); | |
var y = d3.scale.linear() | |
.range([height, 0]); | |
var xAxis = d3.svg.axis() | |
.scale(x) | |
.orient("bottom"); | |
var yAxis = d3.svg.axis() | |
.scale(y) | |
.orient("left") | |
.tickFormat(formatPercent); | |
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 + ")"); | |
d3.tsv("data.tsv", function(error, data) { | |
data.forEach(function(d) { | |
d.frequency = +d.frequency; | |
}); | |
x.domain(data.map(function(d) { return d.letter; })); | |
y.domain([0, d3.max(data, function(d) { return d.frequency; })]); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
svg.append("g") | |
.attr("class", "y axis") | |
.call(yAxis) | |
.append("text") | |
.attr("transform", "rotate(-90)") | |
.attr("y", 6) | |
.attr("dy", ".71em") | |
.style("text-anchor", "end") | |
.text("Frequency"); | |
svg.selectAll(".bar") | |
.data(data) | |
.enter().append("rect") | |
.attr("class", "bar") | |
.attr("x", function(d) { return x(d.letter); }) | |
.attr("width", x.rangeBand()) | |
.attr("y", function(d) { return y(d.frequency); }) | |
.attr("height", function(d) { return height - y(d.frequency); }); | |
d3.select("input").on("change", change); | |
var sortTimeout = setTimeout(function() { | |
d3.select("input").property("checked", true).each(change); | |
}, 2000); | |
function change() { | |
clearTimeout(sortTimeout); | |
// Copy-on-write since tweens are evaluated after a delay. | |
var x0 = x.domain(data.sort(this.checked | |
? function(a, b) { return b.frequency - a.frequency; } | |
: function(a, b) { return d3.ascending(a.letter, b.letter); }) | |
.map(function(d) { return d.letter; })) | |
.copy(); | |
svg.selectAll(".bar") | |
.sort(function(a, b) { return x0(a.letter) - x0(b.letter); }); | |
var transition = svg.transition().duration(750), | |
delay = function(d, i) { return i * 50; }; | |
transition.selectAll(".bar") | |
.delay(delay) | |
.attr("x", function(d) { return x0(d.letter); }); | |
transition.select(".x.axis") | |
.call(xAxis) | |
.selectAll("g") | |
.delay(delay); | |
} | |
}); | |
</script> |
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