[any]
Object to drop named elements from.
For a matrix or a data frames this function drops named
columns via the second argument of the binary index
operator [,]. Otherwise, the unary index operator
[] is used for dropp
drop
[character]
Names of elements to
drop.
Value
Subset of object of same type as x. The object is
not simplified, i.e, no dimensions are dropped as
[,,drop = FALSE] is used.