why my favorite movies (5 stars) have <4 star predicted
Basically my favorite movies (5 stars) have <4 star predicted, being them only 2, these two alone should be the pinnacle of my recommendations. By that the algorithm should automatically point the predicted rate to the maximum. In fact, most of the other film rating predictions on my list are accurate enough, with a margin of error, but those two 5 stars movies are very poorly predicted by the algorithm. Giving more importance to those 5 stars movies could have a noticeable effect in the general prediction and thus the recommendation system.
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Mattia
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