摘要: rm(list = ls()) library("MatchIt") library("tableone") library('survival') library('Zelig') data(lalonde) head(lalonde) set.seed(1234) m.out <- matchi 阅读全文
posted @ 2020-04-15 10:37 be·freedom 阅读(4183) 评论(0) 推荐(0)