学习笔记,仅供参考,有错必纠
PS:别看名字是高效安装,还有一些其他方法
高效安装命令
- 查看操作系统相关信息
Sys.info()
输出:
sysname release version nodename machine
"Windows" ">= 8 x64" "build 9200" "GOAT" "x86-64"
login user effective_user
"goatbishop" "goatbishop" "goatbishop"
- 检查安装最新版本的R
installr::updateR()
- 一次性下载多个包
pkgs = c("tidyr", "lubridate", "ggfortify")
install.packages(pkgs)
- 一次性加载多个包
inst <- lapply(pkgs, library, character.only = TRUE)
用library()加载包时,若包不存在, 则R会报错,但是require()则不会:
> require("dddd")
载入需要的程辑包:dddd
Warning message:
In library(packag