dplyr not installing

install.packages("Rcpp", repo = 'https://mac.R-project.org')

point to the special mac repo when you install packages

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My bad, I assumed that the fix would have propagated by now, but I get the same successful results with either.

I agree with @andresrcs about starting from a clean installation from the CRAN site. Also, Catalina 10.15.3 is what I'm using, I've downloaded the current XCode app from the App Store and run

$ xcode-select --install

I'm not a macOS user and I have never seen this error on Windows or Linux but for the location of the problematic file, it seems to me like a problem with the R installation itself, If I was you, I would try completely removing my R installation (including the library folder) and start again with a clean R installation.

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