Data Visualization

Data visualization blogs

Conference Report: CHI 2015

April 27, 2015
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Last week, I had the pleasure of attending the CHI 2015 conference in Seoul, South Korea. CHI technically stands for Computer-Human Interaction, but it has become a name rather than an acronym in recent years. And CHI’s scope is very broad, it covers many areas that are not strictly part of HCI (Human-Computer Interaction – … Continue reading Conference Report: CHI 2015

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What if the Washington Post did not display all the data

April 23, 2015
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What if the Washington Post did not display all the data

Thanks to reader Charles Chris P., I was able to get the police staffing data to play around with. Recall from the previous post that the Washington Post made the following scatter plot, comparing the proportion of whites among police...

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Link: The Power of Wee Things

April 22, 2015
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Lena Groeger (of ProPublica) has written a beautiful piece about the Power of Wee Things. She talks about using small things, multiples, and units to display data and get people interested. The article goes through many, many examples covering many different areas and ideas. She also gave a great talk on the topic at OpenVis 2014. On a somewhat related … Continue reading Link: The Power of Wee Things

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Nice analysis of racial composition of police forces

April 21, 2015
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Nice analysis of racial composition of police forces

The Washington Post has a good idea. Using Census data, they computed the proportion of police force who are white and the corresponding proportion of citizens who are white, in different cities. In the following scatter plot, they singled out...

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Paper: ISOTYPE Visualization – Working Memory, Performance, and Engagement with Pictographs

April 20, 2015
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Paper: ISOTYPE Visualization – Working Memory, Performance, and Engagement with Pictographs

Unit charts are not common in visualization, and they are often considered a bad idea. The same is true for using shapes other than rectangles. Neither is based on much actual research, however. In a new paper, we look at the specific example of ISOTYPE-style charts – and find them to be quite effective. I have written about ISOTYPE … Continue reading Paper: ISOTYPE Visualization – Working Memory, Performance, and Engagement with Pictographs

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It’s a Batsman’s World (Cup)

April 17, 2015
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It’s a Batsman’s World (Cup)

The 2015 Cricket World Cup rewrote the record books in dramatic fashion. Amidst the usual insanity that surrounds this event, there were some amazingly good - and bad - performances. Batting-wise, some of the previous records were smashed int...

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Link: Design and Redesign in Data Visualization

April 15, 2015
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Fernanda Viégas and Martin Wattenberg have written a wonderful piece titled Design and Redesign in Data Visualization about criticism in data visualization. They thoughtfully analyze the practice and point out some of the issues when people create redesigns, including intellectual honesty and perfect hindsight. They then go on to define some “rules of engagement” for a more … Continue reading Link: Design and Redesign in Data Visualization

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Hello to St. Louis readers

April 15, 2015
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Hello to St. Louis readers

I'll be hosting a Data Visualization workshop at the Digital Media Marketing Conference in St. Louis, Missouri on Thursday. Here is the link to their website. The workshop is arranged from three themes: Appreciating, Conceptualizing, and Improving. There will be...

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Planned redundancy

April 7, 2015
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Planned redundancy

The following Wall Street Journal caught my eye the other day: (Link to article) Looking closely, I realize that the four charts are identical, except for the call-outs. This is a kind of small-multiples in which the same data reside...

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Graphical forms impose assumptions on the data

April 2, 2015
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Graphical forms impose assumptions on the data

In a comment to my previous post, reader Chris P. pointed me to the following set of maps, also from the New York Times crew, on the legalization of gay marriage in the U.S. (link) (For those who did not...

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