Thursday, February 18, 2010

Data visualisation

Via A Random Walk, four visualisations of Obama's budget for 2011:

I'm more interested in seeing these side by side in terms of what they say about presenting data than I am of the numbers (though the Washington Post's does draw one's attention to the deficit very effectively). The Wall Street Journal's is the worst - pie charts are bad to start with, and it's not clear what the different sizes are in proportion to. The NY Times is nice, being zoomable and one can hunt down the last little line item - P.L.480 market development activities, $3 million. Of course, it has the same problem of being forced to compare areas, and inevitably it's difficult to compare different parts of the graphic. For overall clarity, I think I have to hand it to the Washington Post.

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