This function determines if the Gurobi R package is installed on the
computer and that it can be used base::options().
is.GurobiInstalled(verbose = TRUE)logical should messages be printed?
logical Is it installed and ready to use?
# \dontrun{
# check if Gurobi is installed
is.GurobiInstalled()
#> [1] TRUE
# print cached status of installation
options()$GurobiInstalled
#> $gurobi
#> [1] TRUE
#>
# }