There is not much of a story in the expected evolution of US population, according to the United Nations estimates and projections (1950-2100): (You’ll see in a moment why there is a vertical line in 2005.) Things get a little more interesting if you split population by
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Well, here is my first chart in Tableau, finally! After publishing my experiments with population pyramids (using Excel), I thought I could try Tableau Public with the same dataset from the US Census Bureau. Here is the result. I never really played before with Tableau Public and
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These are the population pyramids (and half-pyramids…) of some more or less randomly selected countries. Each series displays population by age group (both sexes) in a given year, from 1981 (darker color) to 2050 (lighter color). The charts share the same scales (5-year age groups from 0
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Here are two ways to display a relatively large dataset, montly unemployment rates by state since 1976. The first one, above, is perfect to see the overall patterns, the range from the lowest to the highest, the outliers and the slopes. An interactive version would allow the
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This article goes much against conventional wisdom about pie charts (and doughnut charts) by answering these two simple questions: Can we use a large number of categories in pie charts? (Yes, we can.) Can we make a productive use of the apparently useless doughnut chart? (Yes, we
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Source: U.S. Census Bureau (original Excel file). The abortion ratio is defined by the number of abortions per 1,000 abortions and live births. (Click to enlarge) Notes: 1. We know that information visualization is all about pattern detection. But often our design choices hide relevant patterns behind
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