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Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

machine-learning

Evaluating and comparing candidates honestly

taught

Comparing candidate models on the metric that actually fits the problem, using the same validation procedure for every one.

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.