[ Launch: Lorenz Curve ] 9767676 by stevekinney
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Lorenz Curve
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{"description":"Lorenz Curve","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12},"draw.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"lorenx.js":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"ajax-caching":true,"thumbnail":"http://i.imgur.com/rkrLAMx.png","inline-console":false} |
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var svg = d3.select('svg'); | |
var d = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 100]; | |
d.sort(function (a,b) { | |
return a- b; | |
}); | |
function split(array, units) { | |
var length = array.length; | |
var output = []; | |
var i = 0; | |
while (i < length) { | |
var size = Math.ceil((length - i) / units--); | |
output.push(array.slice(i, i += size)); | |
} | |
return output; | |
} | |
function sum(array) { | |
return array.reduce(function (a, b) { | |
return a + b; | |
}, 0); | |
} | |
function splitAndSum(array, units) { | |
var splitArray = split(array, units); | |
return splitArray.map(function (a) { | |
return sum(a); | |
}); | |
} | |
function splitAndSumAndPercent(array, units) { | |
var s = sum(array); | |
return splitAndSum(array, units).map(function (a) { | |
return a/s * 100; | |
}); | |
} | |
var q = splitAndSumAndPercent(d, 5); | |
var x = d3.scale.ordinal() | |
.domain(d3.range(q.length)) | |
.rangeBands([10, 450]); | |
var y = d3.scale.linear() | |
.domain(d3.extent(q)) | |
.range([150, 10]); | |
var line = d3.svg.line() | |
.x(function (d, i) { return x(i); }) | |
.y(function (d, i) { return y(d); }); | |
svg.append("path") | |
.attr("d", line(q)) | |
.style({ | |
fill: "none", | |
stroke: "#000" | |
}); | |
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I made a library for the calculation: https://github.com/ndabAP/lorenz-curve