About dirkmjk

I use this blog as a testing ground for projects about data, maps, charts and coding.

Dutch media covering dirkmjk: Parool (traffic lights), Parool (traffic lights), Parool (questions by city council members), NRC (questions by city council members), AT5 (Airbnb), Parool (Sovjet map).

It’s allowed to use content from this website provided you attribute the source and include a link to the original.

I use Matomo (Piwik), an open-source programme to analyse site visits. I applied privacy-friendly settings: IP addresses are anonymised; no tracking cookies are used and logs are deleted after 90 days.

Dirk Kloosterboer

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