Error installing package - beginner RStudio user

Hi, I am a beginner RStudio user and am getting the following message while trying to install my first ever package. Could anyone give me some advice? I have downloaded R, RStudio and XQuartz and am using a Mac with Mojave 10.14.1

I really hope someone can help!


Hi Kate, welcome!

The error message is giving you a clue, you are missing several dependencies, try installing them first.

install.packages(c("rapportools", "gmodels", "Deducer"), dependencies =TRUE) 

You also might try install.packages("oii")
This will install the package from CRAN and install dependencies as needed.

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