本刊英文版2019年62卷第2期摘要（英文）

A general framework for frequentist model averaging Priyam Mitra, Heng Lian, Ritwik Mitra, Hua Liang&Min-ge Xie Abstract Model selection strategies have been routinely employed to determine a model for data analysis in statistics, and further study and inference then often proceed as though the selected model were the true model that were known a priori. Model averaging approaches, on the other hand, try to combine estimators for a