Archive for month: March, 2011
27 March, 2011 (16:03) | data visualization, protovis | By: jerome
I just posted my www.datavizchallenge.org entry! So here’s a little explanation about what I’ve done, how and why. The idea behind the data provider web site, WhatWePayFor, is that billions and millions don’t talk to the average citizen. This doesn’t help them understand where their money goes. And in my work, I generally try to [...]
Tags: budget, challenge, datavizchallenge, game-y infographics, protovis, treemap | 1 comment
27 March, 2011 (14:28) | data visualization, protovis | By: jerome
This is a follow-up to the previous post where I used a Dorling cartogram to show election results in France. So how did I come up with that? Step 1: the data Without data, there wouldn’t be much to plot, right? So the first order of business was to fetch the data, which is theoretically [...]
Tags: cartogram, dorling, france, map, protovis | No comments
26 March, 2011 (21:05) | data visualization, protovis | By: jerome
[I write this here post in French because it's more relevant for a French audience, a more technical post with an explanation of how it's done follows in English]. J'ai écrit que j'avais été déçu par les infographies des principaux médias au lendemain des cantonales. Si on prend la carte du Monde par exemple, on [...]
Tags: cantonales, cartogramme, dorling, élections, français, france, politiques | 5 comments
15 March, 2011 (18:21) | protovis | By: jerome
In my short tutorial on working with data and protovis I briefly covered some standard javascript and protovis methods to work with arrays. The more I work with Protovis, the more I am convinced that efficient array manipulation is key to achieving just about anything with the library. So, I would like to go into [...]
Tags: array, data, protovis | 1 comment
15 March, 2011 (18:17) | data visualization, protovis | By: jerome
What is a map? before we start looking at the code it may be a good idea to think of the best way to represent a country. Countries are areas of land surrounded by borders, which are imaginary (or sometimes physical) lines going through a set of points. Some countries are made of one of [...]
Tags: arrays, data, map, projections, protovis | No comments
14 March, 2011 (19:01) | charts, data visualization | By: jerome
I put together a list of some of the things I’ve done with Tableau public there. I had put the link on twitter last Friday, and I just saw the number of connections through bit.ly – never thought something posted just before the week-end could get so much attention! so thanks, twitter followers. I’m putting [...]
Tags: Tableau, Tableau Public | No comments
7 March, 2011 (20:09) | Uncategorized | By: jerome
This post is a tribute to my friends who ran this Sunday. If I had known in advance, I would surely had joined you guys, or found a better excuse not to. Anyway, about 30,000 people tried to finish the semi-marathon, and 23764 did (plotted below).
Tags: marathon, plot, runners | 7 comments