Message-ID: <x2he998955.fsf@biostat.ku.dk>
Date: 2003-04-08T12:29:42Z
From: Peter Dalgaard
Subject: Scalar vs. vector
In-Reply-To: <5.2.0.9.2.20030407075040.00b675c8@postoffice.pacbell.net>
Chris Fehily <fehily at pacbell.net> writes:
> Do these statements yield identical types of objects?
> x = 3
> and
> y = c(3)
>
> That is, intrinsically, is x, like y, a vector of length one, but
> created with abbreviated syntax?
No, y is like x, a vector of length one, only created with an overly
long-winded syntax...
(c() is for *concatenation*)
> More simply: Are scalars really trivial vectors?
Yes.
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907