New R user here.
I am unable to install packages again after successfully installing tidyverse, skmr and here. I am trying to install palmerpenguines and janitor but i get this error message
Warning in install.packages :
unable to access index for repository http://cran.rstudio.com/src/contrib:
cannot open URL 'http://cran.rstudio.com/src/contrib/PACKAGES'
PLEASE WHAT DO I DO. ITS GETTING FRUSTRATING