Robuta

https://jmlr.org/papers/v20/18-456.html Quantification Under Prior Probability Shift: the Ratio Estimator and its Extensions prior probability shift the ratio estimator quantification https://www.econstor.eu/handle/10419/316387 EconStor: Generalized ratio-product cum regression variance estimator in two-phase sampling EconStor is a publication server for scholarly economic literature, provided as a non-commercial public service by the ZBW.