implement new and more flexible evaluation routines the main advantage is that it now supports out-of-the-box scenarios with non-fixed number of holdout items and item cold-start regime (by redefining self._key and self._target)
implement new and more flexible evaluation routines
the main advantage is that it now supports out-of-the-box scenarios with non-fixed number of holdout items and item cold-start regime (by redefining self._key and self._target)

Evfro/polara