Weblogs

30 posts
Check out the Lifespan of News project

Alberto Cairo introduces another one of his collaborations with Google, visualizing Google search data. We previously looked at other projects here. The latest project, designed by Schema, Axios, and Google News Initiative, tracks the trending of popular news stories over time and space, and it's a great example of making sense of a huge pile of data. The design team produced a sequence of graphics to illustrate the data. The...

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The merry-go-round of investment bankers

Here is the start of my blog post about the chart I teased the other day:   Today's post deals with the following chart, which appeared recently at Business Insider (hat tip: my sister). It's immediately obvious that this chart requires a heroic effort to decipher. The question shown in the chart title "How many senior investment bankers left their firms?" is the easiest to answer, as the designer places the number...

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Environmental science can use better graphics

Mike A. pointed me to two animated maps made by Caltech researchers published in LiveScience (here). The first map animation shows the rise and fall of water levels in a part of California over time. It's an impressive feat of stitching together satellite images. Click here to play the video. The animation grabs your attention. I'm not convinced by the right side of the color scale in which the white...

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Two thousand five hundred ways to say the same thing

Wallethub published a credit card debt study, which includes the following map: Let's describe what's going on here. The map plots cities (N = 2,562) in the U.S. Each city is represented by a bubble. The color of the bubble ranges from purple to green, encoding the percentile ranking based on the amount of credit card debt that was paid down by consumers. Purple represents 1st percentile, the lowest amount...

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Light entertainment: I am a pen and I object

You've got to look out for conflicts on your dataviz! Example from Explosm courtesy of reader Chris P. Color says one thing. Face says something else. Words agree with Color. Pen objects.

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Playfulness in data visualization

The Newslab project takes aggregate data from Google's various services and finds imaginative ways to enliven the data. The Beautiful in English project makes a strong case for adding playfulness to your data visualization. The data came from Google Translate. The authors look at 10 languages, and the top 10 words users ask to translate from those languages into English. The first chart focuses on the most popular word for...

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Discoloring the chart to re-discover its plot

Today's chart comes from Pew Research Center, and the big question is why the colors? The data show the age distributions of people who believe different religions. It's a stacked bar chart, in which the ages have been grouped into the young (under 15), the old (60 plus) and everyone else. Five religions are afforded their own bars while "folk" religions are grouped as one, and so have "other" religions....

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The tech world in which everyone is below average

Laura pointed me to an infographic about tech worker salaries in major tech hubs (link). What's wrong with this map? The box "Global average" is doubly false. It is not global, and it is not the average! The only non-American cities included in this survey are Toronto, Paris and London. The only city with average salary above the "Global average" is San Francisco Bay Area. Since the Bay Area does...

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When your main attraction is noise

Peter K. asked me about this 538 chart, which is a stacked column chart in which the percentages appear to not add up to 100%. Link to the article here. Here's my reply: They made the columns so tall that the "rounding errors" (noise) disclosed in the footnotes became the main attraction. *** The gap between the highest and lowest peaks looks large but mostly due to the aspect ratio....

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A chart Hans Rosling would have loved

I came across this chart from the OurWorldinData website, and this one would make the late Hans Rosling very happy. If you went to Professor Rosling's talk, he was bitter that the amazing gains in public health, worldwide (but particularly in less developed nations) during the last few decades have been little noticed. This chart makes it clear: note especially the dramatic plunge in extreme poverty, rise in vaccinations, drop...

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