Implementing a Principal Component Analysis (PCA) – In Python, Step by Step

This is the personal website of a data scientist and machine learning enthusiast with a big passion for Python and open source. Born and raised in Germany, now living in East Lansing, Michigan.

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Automate Boring Stuff with Python

Are you doing a repetitive task that feels like it could be automated? I was. Every day for the past year I’d been importing new users for an app into MailChimp by hand. No more! Now that I’ve learned how to code I’ve handed that task over to Python and C... (more…)

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Debugging out-of-memory crashes in Python

You run your program, and it crashes—it’s out of memory: If you’re lucky, you get a MemoryError exception. If you’re less lucky, you get a coredump. If you’re having a bad day, your computer locks up and you need to restart it. How do you figure out what ... (more…)

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