[Rd] matrix name
maechler at stat.math.ethz.ch
Sat Aug 9 19:57:27 CEST 2008
>>>>> Vincent Nijs <mel at altk.com>
>>>>> on Sat, 09 Aug 2008 18:34:09 +0200 writes:
>>> Presently, we are able to add additionnal info to a matrix
>>> thanks to the nice comment() and attr() functions.
>>> Maybe I miss some other functions ?
>>> Since there is a always a little remaining place on the
>>> top left when one print a matrix,
>>> I was wondering if it won't be interesting to offer the
>>> possibility to show some information here,
>>> I'm thinking on something like :
>> attr(M, 'topleft') = 'city\prms';
>>> city\prms a b c
>>> seattle 1 3 5
>>> vancouver 2 4 6
Well, dimnames can be named :
> matrix(1:6, 2,3, dimnames=list(rows=c("r1","r2"), cols=c("A","B","C")))
rows A B C
r1 1 3 5
r2 2 4 6
This implements (something better I think than) what you want.
The *printing* though is slightly different (since more
>>> I don't know if it's easily feasible and even if it seems
>>> interesting enough ... so sorry if it is a silly idea.
>>> All the best
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