Nothing
checksolver <- function(method, allmeth, allpkg){
# basestats <- c("Nelder-Mead","BFGS","L-BFGS-B","CG","SANN", "nlm", "nlminb", "hjn")
# if (method %in% basestats) return(method)
imeth <- which(method == allmeth)
if (length(imeth) < 1) {
warning("Package ",method," not found")
return(NULL)
} else {
pkg <- allpkg[imeth][[1]]
if ( requireNamespace(pkg, quietly = TRUE)) {
return(method)
} else {
warning("Package ",pkg," for method ",method," is not available")
return(NULL)
}
}
NULL # just in case
}
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