Data Visualization

Data visualization blogs

An overused chart, why it fails, and how to fix it

April 17, 2014
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An overused chart, why it fails, and how to fix it

Reader and tipster Chris P. found this "death spiral" chart dizzying (link). It's one of those charts that has conceptual appeal but does not do the data justice. As the name implies, the designer has a strong message, that the...

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Data Stories Episode About Data Storytelling

April 17, 2014
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Data Stories Episode About Data Storytelling

How is it possible that it has taken a podcast called Data Stories 35 episodes to get to the topic of data storytelling? Alberto Cairo and I helped get the topic straightened out, and I think we even convinced Moritz that stories are not the enemy of exploration. It was a fun episode to record, and it touches on many interesting topics.

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Conventions, novelty and the double edge

April 15, 2014
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Conventions, novelty and the double edge

This chart from Reuters is making the rounds on Twitter today. Quickly, tell me whether the Gun Law in Florida did well or poorly. That of course is the entire purpose of the chart. *** If you are like me,...

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Review: Manuel Lima, The Book of Trees

April 14, 2014
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Review: Manuel Lima, The Book of Trees

Trees. They’re everywhere. And not just in the physical world, but in data visualization and knowledge representation as well. This is not a new phenomenon, it goes back thousands of years. Manuel Lima’s new book, The Book of Trees, gives an overview. Setting Expectations This review is an example of priming. The first time I […]

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Law of small numbers, in action

April 10, 2014
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Law of small numbers, in action

Loyal reader John M. expressed dismay over Twitter about 538's excessive use of bubble charts. Here's the picture that pushed John over the edge: The associated article is here. The question on the table is motivated by the extraordinary performance...

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Story: A Definition

April 7, 2014
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Story: A Definition

What makes a story? What does a story do? In part one of this little series, I argued that stories and worlds are not opposites, but complements. In this part, I try to explain the differences between worlds and stories, and present a definition.

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Advocacy graphics

April 6, 2014
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Advocacy graphics

Note: If you are here to read about Google Flu Trends, please see this roundup of the coverage. My blog is organized into two sections: the section you are on is about data visualization; the other section concerns Big Data...

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Me and Alberto Cairo in one room tomorrow

April 3, 2014
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Me and Alberto Cairo in one room tomorrow

I have been a fan of Alberto Cairo for a while, and am slowly working my way through his great book, The Functional Art, which I will review soon. Thanks to the folks at JMP, the two of us will...

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A promising infographic about motorcycle helmets

April 3, 2014
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A promising infographic about motorcycle helmets

The New York Times graphics team shows us how to do infographics poster the right way. They recently put up a feature showing how the repeal of helmet laws is linked to increasing vehicle fatalities. The graphic is here. One...

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Dissecting charts from a Big Data study

March 28, 2014
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Dissecting charts from a Big Data study

Today's post examines an example of Big Data analyses, submitted by a reader, Daniel T. The link to the analysis is here. (On the sister blog, I discussed the nature of this type of analysis. This post concerns the graphical...

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