Critique

Critique

1) Overall, this is a very well-written project report. I especially appreciate the justification for all main choices that were made. The formalism is easy to understand and it is an appropriate length for a final project report.

2) The "challenges" section is great. It would be even better if you can summarize how you address these challenges in the latter sections so that reader has some context on what the solution would look like.

3) Under the "Does changing the binarization method improve predictions" section, the content can be structured better. First explain why you selected the binarization method that you did, and then follow it with what would make more sense instead. For example:

"Previously, we stated that the ratings matrix is binarized such that an 1 indicates that the user gave the movie a rating of 4 or higher. The reason for the existing binarization method from Liang et al. comes from recommender systems. Since we want to recommend good movies, we should not give the same value of 1 to both good and bad movies. In contrast to this approach, we now propose a second binarization method. Here, an 1 indicates that the ..."

Minor grammatical errors

1) Likewise, for Amazon and other e-commerce platforms, the system would take *a user's purchases and their...

2) Here, *a 1 indicates that the user rated the movie.