Visualising Amsterdam’s cyclists

Bike City Amsterdam, a new book by Fred Feddes and Marjolein de Lange, recounts how Amsterdam developed a cycling policy (more on the book below). An important source for the book is the archive of the Amsterdam branch of cyclists’ organisation Fietsersbond. In addition, traffic data was used to analyse trends.

Using a jagged baseline to indicate a broken y-axis

In an article for the recently created Data Visualisation Society, R.J. Andrews suggests using a jagged baseline to indicate a broken y-axis (i.e., an axis that doesn’t start at zero). The idea - inspired by some beautiful charts dating back to WWI - is to suggest that the bottom part of the chart has been torn off. I like the idea - but I found it isn’t easy to implement.

How to investigate assets: lessons from The Wire

I’m rewatching The Wire. It’s a great series anyhow, but for researchers, episode 9 of the first season (2002) is especially interesting. It features detective Lester Freamon instructing detectives Roland Pryzbylewski and Leander Sydnor how to investigate the assets of drug kingpin Avon Barksdale.

My first Python package

As a self-taught programmer, I sometimes feel a bit uneasy about the code I write. Sure, it may work, but there’s probably a more efficient and more elegant way to do it. These doubts notwithstanding, I’ve just published my first Python package: limepy.

Delete Facebook

This is becoming a bit of a tradition: me writing about people who make a New Year’s resolution to quit Facebook. The story is simple: around the turn of the year, there’s a peak in people googling how to quit smoking, but there’s an even larger peak in people trying to figure out how to delete their Facebook account.

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