This is a great model. I applied it to online retailer data and movies and it works amazingly well! much better than SVD++ or SVD. I have found it to perform ve

This is a great model. I applied it to online retailer data and movies and it works amazingly well! much better than SVD++ or SVD. I have found it to perform very well on items with low usage too. I took the authors advice to change the window size dynamically according to the set size.