Monthly Archive
for: ‘December, 2009’

What will the third dimension bring to data visualization?

I have just started reading Edward Tufte’s Envisioning Information. In the first few pages he discusses how we are immersed in a three dimensional world, but our data is stuck on two dimensions, whether on the screen or on paper (3D effects on bars or charts with a third axis do not count..) The concept …

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What the customer needed..

It’s pretty much inconceivable if you work in software that you haven’t seen this picture posted up in your lunch room at some point. It is of course a witty look at why the software process doesn’t always produce the expected functionality in the most elegant and economical fashion. Depicted are a variety of parties …

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#uksnow – plotting Tweets on a map

The UK is currently having its once every ten years snowfall. Like many places that rarely get snow, this is not only a big deal, but makes travel near impossible. There will be SUVs littering the ditches by day break.. What has been interesting is watching how social media reports this – one person has taken this …

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Pareto lines on bar charts – an Excel fudge

I found this aberration the other day on 148apps.biz. It’s a pie chart of showing the categories of the apps available on the Apple website. I won’t labor on why it fails, but the multiple slices, oblique view, lack of color blind sensitivity, and 0% pie pieces add up to a awkward chart. While not …

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Where in the world (are pie charts popular)?

In my prior post I used data from Google Trends to look at how to summarize complex data. The data I pulled compared how often “pie chart” is searched for compared to “bar chart”. In this data set you can also compare the relative search popularity by country. The data is normalized to the number …

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Visualizing data that obscures trends (pie charts are "better")

I’ve been playing around with Google trends for a while now. It’s an incredibly powerful tool for market research, especially when you’re looking at new markets, or how the popularity of a brand is changing.  You can look at how a particular search term has trended over five years, where the term is more popular …

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Charting data with one disproportionally large value

Datavis tweeted about a fun chart he found comparing ‘kills’ between the top animals – I’m not sure the data are meant to be real or what ‘kills’ means, but the point is made that humans are by far the worst offenders. Part of the emphasis is that the human number is literally ‘off the …

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