Complex Diagrams

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I posted a quick process reference called How to design good data visualizations, diagrams, and information graphics over at O’Reilly Answers.

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I was recently asked some questions about the Beautiful Visualization (O’Reilly 2010) and my role as the technical editor and chapter contributor.

How did you end up working on Beautiful Visualization?
I was given the opportunity to work on the book because of my previous research and master’s thesis on methods of creating quality information visualizations.

Why is this book especially important now?
This is a particularly exciting time to be working with information visualization.

Visualization has become popular over the last few years. There have been some very good visualizations making it into the media and pop culture recently, and they have reached millions of people. Of note, the 2008 elections and current World Cup tournament have inspired dozens of visualizations that have received a lot of attention. Good visualizations are fun, educational, and engaging. People enjoy them, and some publications such as the New York Times and GOOD magazine are becoming known for their (generally high quality) work with information visualizations.
keep reading…

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Beautiful Visualization, published by O’Reilly Media, is their deal of the day today. Get the ebook version for just $9.99 with the discount code DDVSZ.

The print edition should be available by the end of June.

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We Love Datavis posted this Periodic Table of Controllers by Mike Vasilev.

It’s interesting and clever, and suffers from the same problem that plagues all periodic tables of not-elements: the contents of the table aren’t periodic, rendering the periodic format irrelevant. In this case we’re looking at a chronological list, that happens to be laid out in the shape of the periodic table.

This is unfortunate for two reasons. The first is it propagates pointless use of the periodic table format. The second is this data could have been represented in a much more interesting and useful way, that more closely matched the native structure of the data and that revealed that structure in an accessible way. It would have made a fascinating study of the evolution of the controller form factor. Imagine a great family tree, showing the generational changes of the main branches of Nintendo, Sony, etc., with origins and cross influences indicated, innovations highlighted, and the dead-ends clearly represented. Instead we get a format that avoids revealing the interesting relationships that exist.

I’d love to see it redrawn by someone who knows the game controller lineage. Any volunteers?

(To be clear, this is not a critique of the designer, who’s done a great job with this image. It is a critique of the misuse of the format; this particular image is just the latest in a line of hundreds of images using the periodic format for non-periodic data.)

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There are many visualizations of social networks, most of which focus on who knows who. They provide a basic view with limited utility. Some visualizations refine this basic view by grouping areas of people who share common contexts (e.g. college, work, etc.). That approach can add some insight through the slightly increased complexity, but it is still a very limited view of the network.

This movie reveals more knowledge by showing not only which individuals know each other, but also when and how the social network formed, by calling out the contexts and individuals responsible for an introduction between two new friends. Visually representing more complexity allows the viewer a deeper understanding of the social dynamics and causalities involved.

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I’m very excited to announce that I’m technical editor for, and contributing a chapter to, the book Beautiful Visualization, due out in April from O’Reilly.

It is a collection of case studies and articles discussing how various beautiful information visualizations were achieved and how to create your own.

Stay tuned for updates as events warrant.

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This is a short story of user experience, information visualization, and design choices. I like Rivendell Bicycle Works for a lot of reasons (see below). However, one thing they don’t do particularly well is allow you to compare products on their web site.

When comparing a few randomly sorted parts, such as rear deraillers, looking at all 3 or 4 choices and then choosing one is relatively easy. When the choice is among 16 tire models in three rim diameters, various widths, some with various features (kevlar bead, anti-puncture, etc.), spread across three pages, in no particular* order, doing a comparison and then confidently choosing one is really, really difficult.

To address this sub-optimal user experience issue, I created this chart to make life easier for customers, improve the interface for comparing the tire offerings, and hopefully improve sales.

It allows the (potential) customer to quickly focus on the appropriate tires(s) based on desired rim size, tire width, and toughness/quickness, and then click the chart to go directly to the tire’s page. (Note that some of these links are going to break as the selection of tires for sale changes.) keep reading…

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VizThink ’09 was awesome. I’ve come back exhausted, energized, and inspired, with a load of new ideas.

Thanks to everyone who presented, who attended my sessions, who asked good questions in all situations, who I talked with and listed to and shared meals with. It was a fantastic time. Special thanks goes out to the crew (and families of!) who put on the conference; I appreciate your hard work and perseverance.

As promised, here are the documents that support my sessions. The best online version of my User-Centered Information Design talk is the version from Infocamp ’08, which includes narration. The only slides missing from that presentation are the design process guidance slides, which I’ve made into a handy PDF.

The snapshot talk on visualizing complexity was supported by this document.

As always, I’d love to hear from you about what worked, what didn’t, lingering or new questions, and anything else on your mind.

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Here’s a straightforward case of two different agencies presenting similar information in different ways, one with better design choices and one with more arbitrary, less useful choices. Both King County and the City of Seattle (where I live) publish regional bike maps with markings for bike lanes and trails. Compare how they are encoded. keep reading…

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A JK Galbraith column at Mother Jones includes the following graph, with this caption: What a dollar of stimulus puts back into the economy when spent on…

There are two related ways in which this graph fails to serve its purpose. keep reading…