About

I am a data scientist based in Amsterdam. You can reach me at erikgahner@gmail.com.

This website is my personal archive of thoughts. The posts on this blog are related to my interests, past and present. All posts reflect my own opinions - and for older entries, hopefully not anymore.

You can subscribe to new posts via RSS. You can also access the site via egl.dk and erikgahner.dk. Here is an overview of the posts I have published over the years:

Number of posts	1,059
Total word count	860,027
Average word count per post	812
Number of links	14,647
Last updated at	2026-10-26

Books

Introduktion til R

2024 (2nd edition), 2022 (1st edition)

An introduction to R, a programming language for statistical computing. The book covers the basics of data wrangling, data visualisation, and various statistical techniques. It is out in its 2nd edition. A 3rd edition is in the making, I guess. It is in Danish.

Reporting Public Opinion: How the Media Turns Boring Polls into Biased News

2021 - w. Zoltán Fazekas

A book on when and how opinion polls are (not) covered in the media. The book is the culmination of years of work on the media coverage of opinion polls and is partially based upon research published in The International Journal of Press/Politics.