WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:
已经安装了Rtools，报错。发现R与Rtools要匹配。

Bioconductor
版本对照：

报错， unable to access index for repository https://cran.rstudio.com/src/contrib: 镜像外网无法访问

R包本地安装

https://cran.rstudio.com/src/contrib/BiocManager_1.30.16.tar.gz

1.
2.

code:

install.packages(“C:/Users/Administrator/Desktop/BiocManager_1.30.16.tar.gz”,repos = NULL, type = “source”)

install.packages("C:/Users/Administrator/Desktop/devtools_2.4.2.tar.gz", repos = NULL, type = "source")

ERROR: dependencies ‘usethis’, ‘callr’, ‘cli’, ‘desc’, ‘ellipsis’,
‘fs’, ‘httr’, ‘lifecycle’, ‘memoise’, ‘pkgbuild’, ‘pkgload’,
‘rcmdcheck’, ‘remotes’, ‘rlang’, ‘roxygen2’, ‘rstudioapi’,
‘rversions’, ‘sessioninfo’, ‘testthat’, ‘withr’ are not available for
package ‘devtools’

options(repos=“http://mirrors.ustc.edu.cn/bioc/”)还是失败

Rstudio更换镜像

Tools–>Global options->Package->Change->Ok->Apply->OK