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2 posts tagged with "Unit 12"

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Building a MovieLens Recommender with Biased Matrix Factorisation

· 5 min read
Ross Bulat
Full Stack Engineer

Google Colab notebook: Open in Google Colab

This seminar exercise develops a recommender system in stages, from simple baselines to biased matrix factorisation, before asking whether SHAP explanations make individual predictions more understandable. The main lesson: better rating prediction did not automatically produce better top-10 ranking.