Hi,
I have have a Mac and have downloaded Rstudio a number of times now but I cannot install any packages. I am always getting a warming: Warning: unable to access index for repository http://cram.rstudio.com/arc/contrib: cannot open URL ‘http://cram.rstudio.com/arc/contrib/PACKAGES’
Thanks’
I'm not a mac user, but this looks like a typo, cram rather than cran. also this is a clickable link, I clicked it now, and it goes nowhere... I think you can set a repo like
option(repos="cran.rstudio.com")
and try again ?
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