object.size
Internal Size of an Object
Description
Returns the number of bytes that an object occupies. 
Usage
object.size(x)
Arguments
| x | any S object or expression. | 
 
Value
returns an object with class "object_size" and with the size 
(in bytes) of the evaluated argument, as it is held in memory. 
See Also
Examples
object.size(NULL) # the smallest possible object 
object.size(1) # 
object.size(c(1,2,3))
object.size("abc")  #64 bytes
object.size(c("a","b","c"))  #136 bytes
class(object.size(1)) # "object_size""