Series

Engineering

3 parts, in reading order. Each one builds on the last.

  1. 01

    The Python stack for machine learning

    OCT 15 2026 · 13 min

    Almost all machine learning work is done in Python, through a few dozen libraries that each exist for one kind of job.

  2. 02

    Building models with scikit-learn

    OCT 15 2026 · 15 min

    scikit-learn is one interface, fit and predict, wrapped around every classical machine-learning method, plus the scaffolding that turns a model into a result…

  3. 03

    Backtesting in Python

    OCT 15 2026 · 17 min

    A backtest runs a trading rule over past prices and reports what would have happened: the return, the risk, the number of trades.

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