Linux cannot open URL ‘https://mirrors.ustc.edu.cn/CRAN/src/contrib/PACKAGES‘
R语言日常笔记(3)R包install失败:cannot open URL
这是一类包的安装问题:
R包install失败:cannot open URL ‘https://cran.rstudio.com/src/contrib/PACKAGES’
Warning: unable to access index for repository https://mirrors.ustc.edu.cn/CRAN/src/contrib: cannot open URL ‘https://mirrors.ustc.edu.cn/CRAN/src/contrib/PACKAGES’
解决办法:
将https换成http,虽然我们浏览器不管是http、https都能打开.
options(repos='http://cran.rstudio.com/')
参考https://stackoverflow.com/questions/25599943/unable-to-install-packages-in-latest-version-of-rstudio-and-r-version-3-1-1
注:重启R后又会变回原来的https的…
然后要改个R studio设置: Tools -> Global Options -> Packages and unchecking the “Use Internet Explorer library/proxy for HTTP” option.
将Use Internet Explorer library/proxy for HTTP选项反勾选

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