3 August 2022 - With the Python bikeride package, you can analyse rides, runs or other activities that you’ve recorded with tools like Garmin or Strava. For example, show activities on a map, analyse the effect of crosswinds, or find your worst-weather rides.

24 May 2020 - I counted how many articles articles with the term ‘crisis’ appeared in newspapers since the 19th century.

8 September 2019 - If you’re cycling in the Netherlands, especially in hilly areas, you may well find yourself on a road named Holleweg (Holloway). I had the idea that if you’d create a map of all the roads named Holleweg, you might end up with a simplified elevation map of the Netherlands.

12 May 2019 - Airbnb is not exactly keen to share data that might help analyse its impact on local housing markets. In 2016, the Amsterdam Municipality decided to collect Airbnb data using a scraper - a computer programme that automates the job of retrieving information from web pages.

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.