Specify optimization options that are to be passed to the numerical estimation routines
optimOptions(tol = 0.01, maxIter = 20, LMinit = 0.01, LMstep = 2,
display = c("off", "on")[1])Minimum 2-norm of the gradient (Default: 1e-2)
Maximum number of iterations to be performed
Starting value of search-direction length
in the Levenberg-Marquardt method (Default: 0.01)
Size of the Levenberg-Marquardt step (Default: 2)
Argument whether to display iteration details or not
(Default: "off")