Sentiment Analysis, NLP, Neural Networks, Machine Learning, Artificial Intelligence.
the data into training and testing sets train_data, test_data = train_test_split(user_item_matrix, test_size=0.2, random_state=42) # Perform matrix factorization using Singular Value Decomposition (SVD) U, sigma, Vt = svds(train_data, k=50) sigma = np.diag(sigma) predicted_ratings =