镜像下载、域名解析、时间同步请点击 阿里云开源镜像站
打开RStudio,输入options()$repos查看默认镜像源情况
options()$repos
打开tools工具栏,找到Global Options
找到Packages,点击右边的add
出现添加镜像源的对话框,name处填入aliyun,url填入:https://mirrors.aliyun.com/CRAN/, 点击ok保存
在命令栏输入options()$repos查看镜像源情况
找到C盘,program files文件下,R/R-4.0.3/etc中的Rprofile文件
原来的:
# Things you might want to change
# options(papersize="a4")
# options(editor="notepad")
# options(pager="internal")
# set the default help type
# options(help_type="text")
options(help_type="html")
# set a site library
# .Library.site <- file.path(chartr("\\", "/", R.home()), "site-library")
# set a CRAN mirror
# local({r <- getOption("repos")
# r["CRAN"] <- "http://my.local.cran"
# options(repos=r)})
# Give a fortune cookie, but only to interactive sessions
# (This would need the fortunes package to be installed.)
# if (interactive())
# fortunes::fortune()
修改后:
# set a CRAN mirror
local({r <- getOption("repos")
r["CRAN"] <- "https://mirrors.aliyun.com/CRAN/"
options(repos=r)})
本文转自:https://blog.csdn.net/sxqcj007/article/details/123181776
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