Hi, my name is Alexej Gossmann. I’m professionally interested in machine learning / AI, statistics, mathematics, software development in those areas, medical applications of the above.

0-fold Cross-Validation is the name of this blog.

2025 Update: Accepting the reality that I’m a once-a-year kind of blogger.

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2021, 2022 Update: Unfortunately, I have been updating this blog very infrequently after finishing my PhD studies in 2018 (just two new posts in over 4 years). Despite the novel typing technique (demonstrated below), having kids and a real job has reduced my blog post output very substantially. But I will do my best to post occasionally as I still have many ideas and a couple drafts for new articles on this blog.

A GIF