When I Don’t Mind Radar Graphs

Most of the time, I think radar graph are deployed wrong. They are designed to show percentages along several categories – like a bar graph could – but the axis are distributed around a central point, such that the percentages link together and create a shape. Choosing a radar graph,…

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Visualizing Tiny Trends Over Time

I say: Trend over time? You say: Line graph! I know, that’s how it goes, right? We are so used to seeing trends over time visualized as line graphs that even my 3rd grader can interpret them with ease. But sometimes it helps to have other options that better fit your…

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The Most Important Question in Data Visualization

What’s your point? Seriously, that’s the most important question to ask when creating a data visualization. And its the first thing I ask a client who sends me data for redesign. What’s your point? The answers drive nearly everything about visualizing that data. Here’s how that conversation often goes: Client:…

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Visualize Branching Questions with Nested Area Graphs

This, my friends, is a nested area graph. I got this idea from the smart people at Innovation Network. And it is super amazing at visualizing the sequence of survey questions that branch. The kind where it says “if you said Yes, proceed to question 32” and stuff…

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How a Dashboard Changes the Conversation

Presenting data effectively changes the kinds of conversations that can happen inside organizations. Better presentations shape an improved culture of decision-making. Let me tell you about a recent example of this. Late 2012 I got a call from an evaluation officer who was working at the Walton Family…

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