| typeof {base} | R Documentation |
The Type of an Object
Description
typeof determines the (R internal)
type or storage mode of any object
Usage
typeof(x)
Arguments
x |
any R object. |
Value
A character string. The possible values are listed in the structure
TypeTable in ‘src/main/util.c’. Current values are
the vector types "logical", "integer", "double",
"complex", "character", "raw" and "list",
"NULL",
"closure" (function), "special" and "builtin"
(basic functions and operators), "environment", and others that
are unlikely to be seen at user level ("symbol",
"pairlist", "promise",
"language", "char", "...", "any",
"expression", "externalptr", "bytecode" and
"weakref").
As from R 2.4.0, "S4" can occur to refer to some objects with
formal (S4) classes.
See Also
mode, storage.mode.
Examples
typeof(2)
mode(2)