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options()$repos
file.edit(file.path("~",".Rprofile"))
options("repos"= c(CRAN="https://mirrors.pku.edu.cn/CRAN/","http://mirrors.aliyun.com/CRAN")) print("已设置北大阿里云镜像")
if(!require("BiocManager", quietly = TRUE)) install.packages("BiocManager") BiocManager::install(version= "3.16")
install.packages("package_name")
library(BiocManager)
BiocManager::install("package_name")
install.packages(c("package1","package2", "package3")) BiocManager::install(c("package1","package2", "package3") )
install.packages("dplyr")
BiocManager::install("dplyr")
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