library(psych) Error in library(psych) : there is no package called ‘psych’ Warning: unable to access index for repository https://mirrors.ebi.ac.uk/CRAN/src/contrib: cannot open URL 'https://mirrors.ebi.ac.uk/CRAN/src/contrib/PACKAGES' Warning: unable to access index for repository https://mirrors.ebi.ac.uk/CRAN/src/contrib: cannot open URL 'https://mirrors.ebi.ac.uk/CRAN/src/contrib/PACKAGES'
install.packages("psych", dependencies = FALSE) Warning in install.packages : unable to access index for repository https://mirrors.ebi.ac.uk/CRAN/src/contrib: cannot open URL 'https://mirrors.ebi.ac.uk/CRAN/src/contrib/PACKAGES' WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:
https://cran.rstudio.com/bin/windows/Rtools/ Installing package into ‘C:/Users/user/Documents/R/win-library/3.4’ (as ‘lib’ is unspecified) Warning in install.packages : unable to access index for repository https://mirrors.ebi.ac.uk/CRAN/src/contrib: cannot open URL 'https://mirrors.ebi.ac.uk/CRAN/src/contrib/PACKAGES' Warning in install.packages : package ‘psych’ is not available (for R version 3.4.3) Warning in install.packages : unable to access index for repository https://mirrors.ebi.ac.uk/CRAN/bin/windows/contrib/3.4: cannot open URL 'https://mirrors.ebi.ac.uk/CRAN/bin/windows/contrib/3.4/PACKAGES'
Please, what can I do to get this resolved? thank you.