Cann't install ggplot2 in my mac

[mara]

Does the rest of the installation run successfully?

What happens when you run library(ggplot2)?

Have you checked your library path settings? It's possible that it's being downloaded somewhere that R isn't looking (though I'm not sure why that would happen for only specific packages). See the thread below for details on .libPahts().

Installed package e1071, R says the installed pakage is not valid after using library command

Installing without your custom library location will have installed the package to wherever your default library is, rather than re-installing to your custom library. To see all the places R is looking for packages, run: .libPaths() It sounds like maybe you are setting this custom library location so that you can access that library from another computer, as well? If so, then since installing the package into your default library will not have fixed anything in the custom library, you may have the same problem crop up on the other computer. To reinstall to your custom library, you’ll have to run install.packages() again the way you normally do, specifying the library location. You’ll want …