Neighborhood rough set is considered an essential approach for dealing with incomplete data and inexact knowledge representation. and it has been widely applied in feature selection. The Gini index is an indicator used to evaluate the impurity of a dataset and is also commonly employed to measure the importance of features in feature selection. This article proposes a novel feature se... https://znbqho1adl5s.celticwiki.com/1456164/application_of_qvp_method_to_winter_precipitation_observation_based_on_polarimetric_radar