Using a jagged baseline to indicate a broken y-axis

31 March 2019 - 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

15 February 2019 - 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

13 January 2019 - 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

30 December 2018 - 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.

Who use the Dafne Schippers bicycle bridge

4 November 2018 - If all goes well, the Dafne Schippers bicycle bridge in Utrecht should reopen on Monday, after a short closure for maintenance. I have a special affinity with this bridge: it opened on the day I started working in Leidsche Rijn, west of the Amsterdam-Rhine Canal, and it’s part of my favourite cycle route to work.