I’m struggling with the cmd installations. The system I’m using is Windows 10. Below is the error messages I got. Could someone help me with that?
Compiling Stan program... Error: CmdStan path has not been set yet. See ?set_cmdstan_path. > install_cmdstan() Error: RTools installation found but PATH was not properly set. Run check_cmdstan_toolchain(fix = TRUE) to fix the issue. > check_cmdstan_toolchain(fix = TRUE) Installing mingw32-make and writing RTools path to ~/.Renviron ... Error in file(file, ifelse(append, "a", "w")) : cannot open the connection In addition: Warning message: In file(file, ifelse(append, "a", "w")) : cannot open file 'C:/Users/yueho/OneDrive/??/.Renviron': Invalid argument ``` I