Category Archives: Uncategorized
Examples illustrating axis, gridline, title, and legend formatting in ggplot2 and R
I love the ggplot visualization package in R, but often found myself forgetting the exact syntax for formatting titles, axis, gridlines, etc. As a reminder to myself and others, I put together a quick set of examples. These are based … Continue reading
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Good news: InfoVis and Simpson’s Paradox!
I’m on vacation this week in the Stockholm archipelago, so have mostly been thinking about swimming, sailing, running, and blueberries this week and I will keep this post fairly short. But I do have some exciting news to report! Visualizing … Continue reading
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Let’s make a map!
Today I worked through Mike Bostock’s “Let’s make a map” tutorial, adapting it to highlight Sweden within Scandinavia instead of the GBR countries. The result is here, and with code is here. Nice that so much data is publicly available. … Continue reading
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first bl.ock!
I thought it might be helpful to have a little tool to test out various d3 format specifiers. So, I built this little bl.ock example. Comments on the tool and code are welcome!
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Changing the y-axis or the aspect ratio can make line charts look really different
A friend recently shared this graph from KPCB, asking about the effect of not including 0 on the y-axis. I took the same data, at least as closely as I could estimate it from the graph, and redrew it. First, … Continue reading
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May 13th, 2014
Got 5/5 on my first homework for my Algorithms course. Now, learning Python in order to complete the first programming exercise. Enjoying the diveintopython3.net tutorial. Gets you into ‘real’ code quickly, instead of spending several pages learning how to do … Continue reading
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Trouble, cunning, and a fighting spirit — the key to visualizing data
Today’s quote from the past: “The user is not showered with graphical displays. He can get them only with trouble, cunning, and a fighting spirit. It’s time that was changed.” This is the last sentence of Anscombe’s 1973 paper which … Continue reading
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weather data
I’m a sucker for weather data, and weatherspark.com is one of my favorite websites. The good: 8760 points of data in one simple chart San Francisco (left) and Boston (right) –“frigid is purple (below 15°F), freezing is blue (15°F to … Continue reading
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Learning D3? Good tutorial from Mike Bostock
Learning D3? Good tutorial from Mike Bostock I found this tutorial helpful. And the design is cool 🙂
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more data adds clarity, rather than confusion: Eric’s awesome dot demographic maps
I definitely recommend checking outEric Fischer’s new maps with demographic information by dots. I like that the boundaries are determined by the data/dots, not by the mapmaker or by political boundaries. And that it shows a lot of detail that … Continue reading
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drawing with data 