xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
I am a beginner in R on macOS. I have to work with rcommander but impossible, I have several errors. what's xcrun error ? thank you !
You get this error because you are trying to install a package from source, which requires compilation, but you don't have Xcode installed in your system. You can check the recommended development tools for macOS systems here.
https://cran.r-project.org/bin/macosx/tools/
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