Umut Altun https://umutaltun.me/posts.html Senior data scientist — notes on data, ML, and side projects. quarto-1.9.37 Mon, 11 May 2026 00:00:00 GMT Hello, world Umut Altun https://umutaltun.me/posts/welcome/ I’ve meant to do this for years. The plan: short, concrete writeups on the things I actually run into — model failures, evaluation gotchas, the SQL query that finally worked at 2am.

A few rules I’m setting for myself:

  1. Working code over hand-waving. Every post should have something you can copy and run.
  2. Honest about what didn’t work. The dead-end attempts are usually more useful than the clean final solution.
  3. Short by default. If I can’t say it in 500 words, I probably don’t understand it well enough yet.

More soon.

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