Aalto’s BDA course puts the full Gelman et al. workflow online, from priors and posteriors to Stan, hierarchical models, and cross-validation.

Lectures, assignments, and code are all open. This is a real course.

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Homepage for the 2025 State of AI Report. The State of AI Report is the most widely read and trusted analysis of key developments in AI. Published annually since 2018, the open-access report aims to spark informed conversation about the state of AI and what it means for the future. Produced by AI investor Nathan Benaich and Air Street Capital.