The Nadaraya–Watson estimator is among the most studied nonparametric regression methods. A classical result is that its convergence rate depends on the number of covariates and deteriorates quickly ...

Apply resampling methods in order to obtain additional information about fitted models. Optimize fitting procedures to improve prediction accuracy and interpretability. Understand the benefits and ...

Biased sampling occurs frequently in economics, epidemiology, and medical studies either by design or due to data collecting mechanism. Failing to take into account the sampling bias usually leads to ...