search for: existsclassdef

...generally, S-Plus 6 has the following functions > objip("exists") $splus: [1] "exists" "existsFunction" "file.exists" $main: [1] "dbexists" "dbexistsOld" "dyn.exists" "existsClass" [5] "existsClassDef" "existsDoc" "existsMethod" Can you add these function names to R with sensible defaults until the S4 methods are fully in place? b. S-Plus 6 uses the function oldClass Can you add these functions and default definitions to R? oldClass <- function(...) class(....