悬赏 10 个论坛币 未解决
1、Fusion--refinement procedure for dimension reduction with missing response at random 王启华 丁晓波 Journal of the American Statistical Association
2、 Variance Estimation Using Refitted Cross-validation in Ultrahigh Dimensional Regression Jianqing Fan, Shaojun Guo and Ning Hao
Journal of the Royal Statistical Society(Series B)
最好是发表后的。