包正在使用中，不会安装

Question

使用R x64 3.2.3我收到此消息：

> install.packages("stringr")
Installing package into ‘C:/Users/leews/Documents/R/win-library/3.2’
(as ‘lib’ is unspecified)
Error: package ‘stringr’ is in use and will not be installed

我必须做什么？

Answer 1

尝试

detach("package:stringr", unload = TRUE)
install.packages("stringr", dependencies=TRUE)