Test if requested solver is present
Test if requested solver is present.
checksolver(method, allmeth, allpkg)
method |
Character string giving the name of the solver requested. |
allmeth |
Character vector giving the names of the methods optimr can use. |
allpkg |
Character vector giving the names of the packages where solvers are found. |
checksolver tests if requested function minimization solver is present.
allmeth <- c("Rvmmin", "nlminb","ipopttest")
allpkg <- c("Rvmmin", "stats","ipoptr")
print(checksolver("nlminb", allmeth, allpkg))
# If Rvmmin NOT available, get msg that PACKAGE not available.
print(checksolver("Rvmmin", allmeth, allpkg))
# Get message that SOLVER not found
print(checksolver("notasolver", allmeth, allpkg))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.