Problem installing epiR

General
1

Hi all, tried to install epiR package and run with the following error. Please help.

install.packages("epiR")
Installing package into ‘C:/Users/Intel/Dropbox/PC/Documents/R/win-library/4.1’
(as ‘lib’ is unspecified)
also installing the dependencies ‘proxy’, ‘e1071’, ‘wk’, ‘systemfonts’, ‘classInt’, ‘s2’, ‘units’, ‘gdtools’, ‘zip’, ‘BiasedUrn’, ‘pander’, ‘sf’, ‘zoo’, ‘flextable’, ‘officer’

......
package ‘proxy’ successfully unpacked and MD5 sums checked
Error in install.packages : ERROR: failed to lock directory ‘C:\Users\Intel\Dropbox\PC\Documents\R\win-library\4.1’ for modifying
Try removing ‘C:\Users\Intel\Dropbox\PC\Documents\R\win-library\4.1/00LOCK’

library(epiR)
Error in library(epiR) : there is no package called ‘epiR’

2

R has problems with cloud-synced folders (Dropbox in your case), I recommend you to set your package library in a non-synced folder.

You can change the default library folder by setting your R_LIBS_SITE environmental variable in a .Reviron or .Rprofile file. For example:

# In a .Renviron file you can set it by adding a line like this one with the desired location 
R_LIBS_SITE="C:\\Program Files\\R\\R-4.1.2\\library"

For a more detailed explanation, you can read this blog post

3

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