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I built Logistic Regression, Decision Trees, Random Forests, and K-Means from scratch :.. here's what surprised me

Available on github https://github.com/hariomlohardev/mini-sklearn KMeans matched sklearn to the decimal while every classifier trailed. What I built minisklearn : five from-scratch models plus hand-rolled metrics, all stdlib Python, trained on the Titanic dataset (889 rows, 7 features, ~38% surviv…

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  1. 2026-10-24 08:15 · DEV Community — Machine Learning
    I built Logistic Regression, Decision Trees, Random Forests, and K-Means from scratch :.. here's what surprised me

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