Jake Cuth. — Notes
Field notes from a senior data analyst.
https://jakecuth.com/feed.xml
2026-05-05T00:00:00Z
Jacob Cuthbertson
https://jakecuth.com/
© Jacob Cuthbertson
jakecuth.com
33 OG images in 80 lines of Python
https://jakecuth.com/notes/og-images-with-pil/
2026-05-05T12:00:00Z
2026-05-05T12:00:00Z
Per-page OpenGraph cards without Figma. A one-shot Python script over your existing og:title tags.
The k=2 problem in cluster selection
https://jakecuth.com/notes/segmentation-k2-honesty/
2026-05-04T12:00:00Z
2026-05-04T12:00:00Z
Silhouette at k=2 is almost always highest and almost always meaningless. Why the segmentation lab grays it out instead of pretending it's a real choice.
Why my A/B simulator says false positives are 26%, not 5%
https://jakecuth.com/notes/ab-test-fpr-26-percent/
2026-05-03T12:00:00Z
2026-05-03T12:00:00Z
Peeking every 50 users turns a 5% nominal false-positive rate into 26% empirical. The Monte Carlo lives on the A/B Test Simulator lab page.