> devtools::install_github('chris-mcginnis-ucsf/DoubletFinder')

Using github PAT from envvar GITHUB_TOKEN

Error: Failed to install 'unknown package' from GitHub:

  HTTP error 401.

  Bad credentials

  Rate limit remaining: 51/60

  Rate limit reset at: 2024-02-21 06:17:39 UTC

#报错原因github token过期，重新申请一个即可，将新的token保存到R中即可

#申请参考解除R中从github上下载包API限制的问题（Error: Failed to install ‘unknown package‘ from GitHub: HTTP error 403. ）_error: failed to install 'unknown package' from gi-CSDN博客

#再重新运行下载包的代码，下载成功