I try to install a package in Rstudio with install.package (I don't have internet on the computer, so I try to use a zip download on the CRAN). I don't understand my error, and I dont find anything on internet about this.
install.packages("C:/Users/adm_smartcity/Documents/dplyr_0.7.4.zip", repos=NULL)
The result :
Installing package into ‘C:/Users/adm_smartcity/Documents/R/win-library/3.4’
(as ‘lib’ is unspecified)
package ‘dplyr’ successfully unpacked and MD5 sums checked
Error in readRDS(pfile) :
cannot read unreleased workspace version 3 written by experimental R 3.5.0
(Sorry for my bad english!)