r语言导入github-包安装

install_github('yikeshu0611/nhanesR')
Error: Failed to install 'unknown package' from GitHub:
HTTP error 404.
Not Found

Did you spell the repo owner (yikeshu0611) and repo name (nhanesR) correctly?

• If spelling is correct, check that you have the required permissions to access the repo.
  怎么解决