Hello,
I uninstalled and reinstalled R, Rtools and RStudio.
Then using the same code, I could successfully install package devtools but I am still getting error messages which are preventing me from proceeding any further. Thank you for your help.
library(devtools)
Error: package or namespace load failed for ‘devtools’:
.onLoad failed in loadNamespace() for 'pkgload', details:
call: loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]])
error: there is no package called ‘backports’
install_github("genomicsclass/GSE5859Subset")
Error in install_github("genomicsclass/GSE5859Subset") :
could not find function "install_github"
library(GSE5859Subset)
Error in library(GSE5859Subset) :
there is no package called ‘GSE5859Subset’