Someone is using R3.5.1 and have installed RTools 3.4 and 3.5, but still he's getting the following error message.
WARNING: Rtools is required to build R packages, but no version of Rtools compatible with R 3.5.1 was found. (Only the following incompatible version(s) of Rtools were found:3.4,3.5) Please download and install the appropriate version of Rtools from http://cran.r-project.org/bin/windows/Rtools/.
Someone is using R3.5.1 and have installed RTools 3.4 and 3.5, but still he's getting the following error message.
WARNING: Rtools is required to build R packages, but no version of Rtools compatible with R 3.5.1 was found. (Only the following incompatible version(s) of Rtools were found:3.4,3.5) Please download and install the appropriate version of Rtools from http://cran.r-project.org/bin/windows/Rtools/.