楼主,我按你的方法来做还是出现了错误:
Warning in file(file, ifelse(append, "a", "w")) :
D:/RSoQT02W0/R-3.2.2/library/argufy/DESCRIPTION': No such file or directory
Error in file(file, ifelse(append, "a", "w")) : 
ERROR: installing package DESCRIPTION failed for package 'argufy'
请问这是怎么回事呢?