checksolver: Test if requested solver is present

In optimx: Expanded Replacement and Extension of the 'optim' Function

Description

Test if requested solver is present.

Usage

   checksolver(method, allmeth, allpkg)

Arguments

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.

Value

checksolver tests if requested function minimization solver is present.

Examples

   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))

optimx documentation built on June 14, 2019, 3:01 p.m.