2 papers
stat.ML2024
Augmented prediction of a true class for Positive Unlabeled data under selection bias
Jan Mielniczuk, Adam Wawrzeńczyk
We introduce a new observational setting for Positive Unlabeled (PU) data where the observations at prediction time are also labeled. This occurs commonly in practice -- we argue t…
cs.LG2023
Single-sample versus case-control sampling scheme for Positive Unlabeled data: the story of two scenarios
Jan Mielniczuk, Adam Wawrzeńczyk
In the paper we argue that performance of the classifiers based on Empirical Risk Minimization (ERM) for positive unlabeled data, which are designed for case-control sampling schem…