如何降级已安装的软件包版本？

Question

我正在尝试将我拥有的高官的软件包版本从最新（v 0.3.12）降级到v 0.3.8。

我尝试运行以下行，但所有行均失败：

我在做什么错了？

    require(devtools)
    install_version("officer", version = "0.3.8")
    ---Error: Failed to install 'unknown package' from URL:
      (converted from warning) package ‘officer’ is in use and will not be installed
    
    require(devtools)
    install_version("officer", version = "0.3.8", repos = "https://cran.r-project.org/web/packages/officer/index.html")
    --- cannot open URL 'https://cran.r-project.org/web/packages/officer/index.html/src/contrib/PACKAGES'
    Error in package_find_repo(package, repos) : 
      could not find package 'officer'
    
    require(devtools)
    install_version("officer", version = "0.3.8", repos = "https://davidgohel.github.io/officer/") 
    ---  cannot open URL 'https://davidgohel.github.io/officer/src/contrib/PACKAGES'
    Error in package_find_repo(package, repos) : 
      could not find package 'officer'
    
    library(devtools)
    devtools::install_github(davidgohel/officer, ref = "officer_0.3.8")
    ---Error in lapply(repo, github_remote, ref = ref, subdir = subdir, auth_token = auth_token,  : 
      object 'davidgohel' not found
    
    devtools::install_github("davidgohel/officer", ref = "0.3.8")
    ---Error in utils::download.file(url, path, method = method, quiet = quiet,  : 
      cannot open URL 'https://api.github.com/repos/davidgohel/officer/tarball/0.3.8