Message-ID: <x2og9e1ka9.fsf@blueberry.kubism.ku.dk>
Date: 2000-02-18T17:40:30Z
From: Peter Dalgaard
Subject: "a.matrix[a.char.matrix]<- " crashes R (PR#447)
In-Reply-To: Prof Brian Ripley's message of "Fri, 18 Feb 2000 17:08:48 +0000 (GMT)"
Prof Brian Ripley <ripley@stats.ox.ac.uk> writes:
> I think that is the correct behaviour. (What is the expected
> behaviour? It is what I expected.) A k-index (aka matrix or array
> subset) is supposed to give the indices of the elements to be
> extracted/replaced. I suppose character values could be matched to
> dimnames, but that would be a new idea.
...but what the user most likely expected!
We might want to *warn*.
Right.
> On the other hand, S-PLUS's print routine seems to ignore the added
> elements, and R loses the dim attribute.
As usual when length and dims develops a mismatch... R is saner, I think
> repeated *new *indices.
>
> The hackery in StringSubscript was copying the wrong string as a name
> for duplicate string indices. Fixed.
So did I but not correctly (had indexnames instead of s). Thanks.
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk) FAX: (+45) 35327907
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