100k Usa.txt [90% TOP]

The MovieLens 100k dataset contains 100,000 ratings from 943 users across 1,682 movies, characterized by high sparsity (93.7%) and a positive rating skew. Analysis indicates a strong popularity bias toward blockbuster movies, necessitating techniques like matrix factorization for effective recommendation systems. For more detailed documentation on this dataset, refer to resources provided by GroupLens Research.