>>>>> Torsten Hothorn writes:
> Hi,
> I'm a little bit confused about the class of integers (with yesterdays
> r-devel):
R> a <- 1:10
R> class(a)
> [1] "integer"
R> inherits(a, "integer")
> [1] FALSE
R> data.class(a)
> [1] "numeric"
R> is.numeric(a)
> [1] TRUE
R> inherits(a, "numeric")
> [1] FALSE
> data.class is consistent with R-1.6.2, ok. The class of "a" is integer,
> also ok. At first: why does "inherits" state that "a" is not of class
> integer nor numeric?
You really want
R> is(a, "integer")
[1] TRUE
But note that we need to update class.Rd in base: e.g., it currently
says
`unclass' returns (a copy of) its argument with its class
information removed.
-k
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