Trying to install Rtools 3.4 with R Version 3.5.1 on windows 7 64 bit. When I use find_rtools() in IDE, it says
Error in find_rtools() : could not find function "find_rtools"
Already installed devtools. Please help.
Trying to install Rtools 3.4 with R Version 3.5.1 on windows 7 64 bit. When I use find_rtools() in IDE, it says
Error in find_rtools() : could not find function "find_rtools"
Already installed devtools. Please help.
I cannot comment yet, so here in an answer.
I suppose you did not load the package before using the function. Use:
library(devtools)
Further information: Error: could not find function ... in R