I recently updated R to 3.6 and started installing my commonly used packages. Each time I use the "install.packages()" command it throws the following error:
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:
It looks like the packages install and function correctly, but I've not experienced this behavior before. I've been using R intermittently for 3 years. Thanks for your help.