ProbAI 2021 Materials of the Nordic Probabilistic AI School (ProbAI) 2021. Lectures and Tutorials Day 1 (June 14): [materials] Antonio Salmerón - Introduction to Probabilistic Models [materials] Andrés R. Masegosa & Thomas D. Nielsen - Probabilistic Programming Day 2 (June 15): [slides] Arto Klami – Variational Inference and Optimization (part 1) [materials] Andrés R. Masegosa & Thomas D. Nielsen – Variational Inference and Probabilistic Programming (part 1) Day 3 (June 16): [slides] Evrim Acar Ataman – Tensor Factorizations for Physical, Chemical, and Biological Systems [slides] Arto Klami – Variational Inference and Optimization (part 2) [materials] Andrés R. Masegosa & Thomas D. Nielsen – Variational Inference and Probabilistic Programming (part 2) Day 4 (June 17): [slides] Wilker Aziz - Deep Discrete Latent Variable Models Day 5 (June 18):