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December 2, 2015 03:36
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Household Budget Survey of Brussels 1978-2010
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Expenditure | 1979 | 1988 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Food and Beverages | 2660 | 3134 | 3913 | 3822 | 3832 | 3960 | 3959 | 4205 | 4383 | 4557 | 4212 | 4401 | 4407 | 4563 | 4649 | 4754 | 4859 | |
Clothing | 851 | 1074 | 1160 | 1227 | 1100 | 1135 | 1324 | 1228 | 1165 | 1269 | 1183 | 1214 | 1239 | 1364 | 1183 | 1495 | 1326 | |
Primary and Secondary Housing | 3119 | 5151 | 6786 | 7349 | 7271 | 7737 | 8124 | 8055 | 8311 | 8629 | 8412 | 7764 | 8065 | 8434 | 8476 | 9263 | 9003 | |
Furniture and appliances | 873 | 1134 | 1305 | 1371 | 1481 | 1356 | 1525 | 1454 | 1332 | 1683 | 1319 | 1501 | 1899 | 1435 | 2148 | 1641 | 1720 | |
Health | 411 | 746 | 1177 | 1181 | 1158 | 1458 | 1239 | 1615 | 1523 | 1320 | 1255 | 1493 | 1368 | 1368 | 1673 | 1570 | 1628 | |
Transportation and Communication | 1440 | 1730 | 2549 | 2409 | 3229 | 3106 | 4487 | 3488 | 4294 | 4302 | 4049 | 4099 | 4204 | 4039 | 4291 | 4366 | 4595 | |
Culture; Recreation and Education | 818 | 1393 | 2031 | 2259 | 2193 | 2482 | 2448 | 2202 | 2404 | 2581 | 2505 | 2618 | 2510 | 2575 | 2294 | 2708 | 2603 | |
Other goods and services | 2320 | 3694 | 4579 | 4146 | 4730 | 4667 | 4810 | 4867 | 4759 | 4804 | 4985 | 5042 | 5734 | 5411 | 5981 | 6023 | 6018 |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<title>Stacked area chart</title> | |
<script type="text/javascript" src="http://d3js.org/d3.v3.js"></script> | |
<style type="text/css"> | |
body { | |
margin: 0; | |
background-color: lightGray; | |
font-family: Helvetica, Arial, sans-serif; | |
} | |
#container { | |
width: 900px; | |
margin-left: auto; | |
margin-right: auto; | |
margin-top: 50px; | |
padding: 50px; | |
background-color: white; | |
box-shadow: 3px 3px 5px 6px #ccc; | |
} | |
h1 { | |
font-size: 24px; | |
margin: 0; | |
} | |
p { | |
font-size: 14px; | |
margin: 10px 0 0 0; | |
} | |
svg { | |
background-color: white; | |
} | |
g.bar text { | |
font-size: 14px; | |
font-weight: bold; | |
text-anchor: end; | |
opacity: 0; | |
fill: white; | |
} | |
g.bar:hover text { | |
opacity: 1; | |
} | |
path:hover { | |
fill: yellow; | |
opacity: 0.5; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: black; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
font-family: sans-serif; | |
font-size: 11px; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="container"> | |
<h1>Evolution of Brussels' Household Expenditure</h1> | |
<p>Household expenditure by type of goods and services (in euros), 1979-2010. Source: <a href="http://statbel.fgov.be/fr/statistiques/chiffres/travailvie/budget/historique/composition/">DGSIE</a>, 2015</p> | |
<script type="text/javascript"> | |
//Set up stack method | |
var stack = d3.layout.stack() | |
.values(function(d) { | |
return d.expenditure; | |
}) | |
.order("reverse"); | |
//Width, height, padding | |
var w = 900; | |
var h = 600; | |
var padding = [ 20, 10, 50, 100 ]; //Top, right, bottom, left | |
//Set up date format function (years) | |
var dateFormat = d3.time.format("%Y"); | |
//Set up scales | |
var xScale = d3.time.scale() | |
.range([ padding[3], w - padding[1] - padding[3] ]); | |
var yScale = d3.scale.linear() | |
.range([ padding[0], h - padding[2] ]); | |
//Configure axis generators | |
var xAxis = d3.svg.axis() | |
.scale(xScale) | |
.orient("bottom") | |
.ticks(15) | |
.tickFormat(function(d) { | |
return dateFormat(d); | |
}); | |
var yAxis = d3.svg.axis() | |
.scale(yScale) | |
.orient("left") | |
.ticks(5); | |
//Configure area generator | |
var area = d3.svg.area() | |
.x(function(d) { | |
return xScale(dateFormat.parse(d.x)); | |
}) | |
.y0(function(d) { | |
return yScale(d.y0); //Updated | |
}) | |
.y1(function(d) { | |
return yScale(d.y0 + d.y); //Updated | |
}); | |
//Easy colors accessible via a 10-step ordinal scale | |
var color = d3.scale.category20c(); | |
//Create the empty SVG image | |
var svg = d3.select("#container") | |
.append("svg") | |
.attr("width", w) | |
.attr("height", h); | |
//Load data | |
d3.csv("HouseholdBudgetSurvey.csv", function(data) { | |
//Uncomment to log the newly loaded data to the console | |
//console.log(data); | |
//Data is loaded in, but we need to restructure it. | |
//Remember, each line requires an array of x/y pairs; | |
//that is, an array of arrays, like so: | |
// | |
// [ [x: 1, y: 1], [x: 2, y: 2], [x: 3, y: 3] ] | |
// | |
//Our x value will be the year, and y will be the amount | |
//of CO2. We also need to know which expenditure_type belongs to | |
//each line, so we will build an array of objects that is | |
//structured like this: | |
// | |
/* | |
[ | |
{ | |
expenditure_type: "Australia", | |
expenditure: [ | |
{ x: "1961", y: 90589.568 }, | |
{ x: "1962", y: 94912.961 }, | |
{ x: "1963", y: 101029.517 }, | |
… | |
] | |
}, | |
{ | |
expenditure_type: "Bermuda", | |
expenditure: [ | |
{ x: "1961", y: 176.016 }, | |
{ x: "1962", y: 157.681 }, | |
{ x: "1963", y: 150.347 }, | |
… | |
] | |
}, | |
… | |
] | |
*/ | |
// | |
//Note that this is an array of objects. Each object | |
//contains two values, 'expenditure_type' and 'expenditure'. | |
//The 'expenditure' value is itself an array, containing | |
//more objects, each one holding x and y values. | |
// | |
//The x (year) values have to be strings in this case, | |
//because the date format function expects a string | |
//to parse into a Date object. | |
//New array with all the years, for referencing later | |
var years = ["1979", "1988", "1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010"]; | |
//Create a new, empty array to hold our restructured dataset | |
var dataset = []; | |
//Loop once for each row in data | |
for (var i = 0; i < data.length; i++) { | |
//Create new object with this expenditure_type's name and empty array | |
dataset[i] = { | |
expenditure_type: data[i].Expenditure, | |
expenditure: [] | |
}; | |
//Loop through all the years | |
for (var j = 0; j < years.length; j++) { | |
//Default value, used in case no value is present | |
var amount = null; | |
// If value is not empty | |
if (data[i][years[j]]) { | |
amount = +data[i][years[j]]; | |
} | |
//Add a new object to the expenditure data array | |
//for this expenditure_type | |
dataset[i].expenditure.push({ | |
x: years[j], | |
y: amount | |
}); | |
} | |
} | |
//Stack the data! | |
stack(dataset); | |
//Uncomment to log the original data to the console | |
//console.log(data); | |
//Uncomment to log the newly restructured dataset to the console | |
//console.log(dataset); | |
//Now that the data is ready, we can check its | |
//min and max values to set our scales' domains! | |
xScale.domain([ | |
d3.min(years, function(d) { | |
return dateFormat.parse(d); | |
}), | |
d3.max(years, function(d) { | |
return dateFormat.parse(d); | |
}) | |
]); | |
//Need to recalcluate the max value for yScale | |
//differently, now that everything is stacked. | |
//Loop once for each year, and get the total value | |
//of CO2 for that year. | |
var totals = []; | |
for (i = 0; i < years.length; i++) { | |
totals[i] = 0; | |
for (j = 0; j < dataset.length; j++) { | |
totals[i] += dataset[j].expenditure[i].y; | |
} | |
} | |
yScale.domain([ d3.max(totals), 0 ]); | |
//Areas | |
// | |
//Now that we are creating multiple paths, we can use the | |
//selectAll/data/enter/append pattern to generate as many | |
//as needed. | |
//Make a path for each expenditure_type | |
var paths = svg.selectAll("path") | |
.data(dataset) | |
.enter() | |
.append("path") | |
.attr("class", "area") | |
.attr("d", function(d) { | |
//Calculate path based on only d.expenditure array, | |
//not all of d (which would include the expenditure_type name) | |
return area(d.expenditure); | |
}) | |
.attr("stroke", "none") | |
.attr("fill", function(d, i) { | |
return color(i); | |
}) | |
.attr("area", 0); | |
//Append a title with the expenditure_type name (so we get easy tooltips) | |
paths.append("title") | |
.text(function(d) { | |
return d.expenditure_type; | |
}); | |
paths.transition() | |
.delay(function(d, i) { | |
return i * 50; | |
}) | |
.duration(1000) | |
.attr("width", function(d) { | |
return yScale(d.expenditure_type); | |
}); | |
//Create axes | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + (h - padding[2]) + ")") | |
.call(xAxis); | |
svg.append("g") | |
.attr("class", "y axis") | |
.attr("transform", "translate(" + padding[3] + ",0)") | |
.call(yAxis); | |
}); | |
</script> | |
</body> | |
</html> |
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