[Rd] dimnames(X)[[2]] <- foo fails (PR#1122)
ripley@stats.ox.ac.uk
ripley@stats.ox.ac.uk
Tue, 9 Oct 2001 17:10:23 +0200 (MET DST)
Since this works in recent S-PLUS and is not in the FAQ as a difference, I
presume it is an unintentional one. If it is intentional, this is for the
wishlist that this be removed.
S-PLUS (6.0)
> X <- matrix(1:4, 2, 2)
> dimnames(X)[[2]] <- letters[1:2]
> X
a b
[1,] 1 3
[2,] 2 4
R 1.3.1
> X <- matrix(1:4, 2, 2)
> dimnames(X)[[2]] <- letters[1:2]
Error: more elements supplied than there are to replace
> colnames(X) <- 1:2
> dimnames(X)[[2]] <- letters[1:2]
> X
a b
[1,] 1 3
[2,] 2 4
which is none too obvious an error message, and somewhat inconsistent.
--
Brian D. Ripley, ripley@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
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