Archive
Five customer segments, and the one that holds 65% of the lost revenue
Churn prediction where the simple model wins: logistic regression against five rivals
The year the Nile changed: change-point detection on 100 years of river flow
Pharaohs of Egypt: a validated dataset from Wikidata, built like a data pipeline
Teaching a CNN to read hieroglyphs: 96.9% on 59 signs, and why my first model failed