Abstract Cost-sensitive learning (CSL), which has gained widespread attention in class
imbalance learning (CIL), can be implemented either by tuning penalty parameters or by …

In many practical situations, it is often desired to select a population (treatment, product,
technology, etc.) from a choice of several populations on the basis of a particular …

This article provides some optimal estimators for a parametric function θR, which arises in
the study of reliability analysis involving several exponential populations. Let π 1, π 2,…, π k …