Hello, I have installed Rstudio on my Macbook Pro macOS Catalina. Every time when I want to install any package this error pops up.
Warning in install.packages : unable to access index for repository http://cran.rstudio.com/bin/macosx/el-capitan/contrib/3.6: cannot open URL 'http://cran.rstudio.com/bin/macosx/el-capitan/contrib/3.6/PACKAGES'
I already tried to change CRAN etc. But nothing I found so far has not worked.
Does someone have an idea?
Thank you
Hi,
Do you have internet connectivity ? or are you behing a proxy ? a firewall ?
This type of error is encountered in such situations usually.
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