Projects

Data analysis

Crown of Warsaw 20 August 2026

Who climbs the six tallest hills in Warsaw? More

Postal codes in Poland 10 May 2026

How many codes each region uses. More

Asbestos distribution in Poland and old borders 10 April 2026

Surprising borders on the map with the asbestos distribution in Poland. More

Doctoral School University of Warsaw 20 October 2025

Results are here. Let's look at who got accepted. More

Polish Academy of Sciences - Finances 5 August 2025

Why a country needs the Polish Academy of Sciences, and what its finances look like. More

Lost and found in trains - part III 15 June 2025

One year has passed and now it's time for the last look at the data. More

Lost and found in trains - part II 6 October 2024

Summer has finished, so we can check what is the trend of things found in polish trains. More

Dog breeds in Poland 29 August 2024

Analyzing official documents from between 2009 - 2023 reveals trends in dog breeds and total number of dogs. More

Lost and found in trains - part I 29 August 2024

Recently I was traveling with a Polish InterCity train and I have left my water bottle behind. I have checked the website and I was surprised that there is an online table of things which have been left in trains. More