Recommendation System - Prediction of item vs Rating?

Matt_PilkMatt_Pilk Member Posts: 3 Newbie
edited January 15 in Help
Hi Everyone, just wanted to get some help with my recommendation system.  
I am having trouble in the following areas that i need help or suggestions for.
1) Tuning the Hyper parameters in Item - Item, User - User and Matrix to improve results
2) My models are predicting the rating outcome for the product. How do you flip to predicting items for the users?

See below my model and summary of results.  Any suggestions or help would be amazing.


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