29 December 2013 - It took me a while to figure out how to create a map with Qgis and data from Statistics Netherlands (CBS). Here’s how I did it.

26 September 2013 - The reason I wrote the script has to to with this article on how the performance of women professional road cyclists is improving. I wanted to check whether a similar trend is going on among amateur riders, more specifically, participants in the Gerrie Knetemann Classic (incidentally, the script would take Knetemann for a woman – it’s not foolproof). The results of the ride are available online, but pre-2012 editions lack information on the gender of participants. So that’s what the script was for.

9 September 2013 - Say, you have a list of addresses and you want to know which neighbourhood they’re in. It turns out this is actually quite easy if you use the free & open source mapping tool Qgis and you have a shapefile of the neighbourhoods. Here’s how it works: