摘要: pacman::p_load(knitr, wakefield, MatchIt, tableone, captioner)set.seed(1234)library(wakefield)df.patients <- r_data_frame(n = 250, age(x = 30:78, name 阅读全文
posted @ 2016-08-26 16:02 qinqinyang 阅读(1332) 评论(0) 推荐(0) 编辑