OnSampledMetrics.md

On Sampled Metrics for Item Recommendation

Title	Venue	Year	Code
On Sampled Metrics for Item Recommendation	KDD	'20	-

On exact metrics vs On Sampled metrics

The relative ordering of A, B, C is not preserved, except for AUC.

Conclusions drawn from a subsample are ${\color{red}\text{not consistent}}$ with the true performance of the recommender