We have a table below, and we want to apply user-based colla…

We have a table below, and we want to apply user-based collaborative filtering to recommend music to Chan. To simplify the calculation, we are going to use the Manhattan distance as our measure. First, please calculate the distance between Chan and other users.   (1 pt) Angelica – Chan: (1 pt) Bill – Chan: (1 pt) Dan – Chan: (1 pt) Hailey – Chan: (Please continue calculating the distance between Chan and the rest of the users) (3 pts) Next, which band/artist should we recommend to Chan?

We apply item-item collaborative filtering to predict User 5…

We apply item-item collaborative filtering to predict User 5’s rating for Movie 1. To do this, we first calculate the similarity between Movie 1 and the other movies. The Pearson correlation scores between Movie 1 and the other movies are shown on the right-hand side of the figure below. Based on these similarity scores, which two movies are most similar to Movie 1?