typeof determines the (R internal) type or storage mode of any object
Syntax
R
typeof(x)
Arguments
Parameter
Description
x
any R object.
Return 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", "S4" (some S4 objects) and others that are unlikely to be seen at user level ("symbol", "pairlist", "promise", "language", "char", "...", "any", "expression", "externalptr", "bytecode" and "
Examples
Example
R
# NOT RUN {
typeof(2)
mode(2)
# }
See Also
modestorage.mode. isS4 to determine if an object has an S4 class.