[R] summary: cbind a list of matrices

From: Mauro Gasparini <gasparin_at_calvino.polito.it>
Date: Sun 17 Jul 2005 - 00:28:04 EST

Thanks to all kind people who answered. Attached is a useful reply, among many others.

-- 
Mauro Gasparini

Professore Straordinario di Statistica
Dipartimento di Matematica, Politecnico di Torino
Corso Duca degli Abruzzi 24 I-10129 Torino, Italy 

tel: +39 011 564 7546
fax: +39 011 564 7599
email: gasparini@calvino.polito.it
www: http://calvino.polito.it/~gasparin/

Coordinatore Scientifico del
Centro Universitario di Statistica per le Scienze Biomediche
dell'UniversitÓ Vita-Salute San Raffaele di Milano
www: http://www.cussb.unihsr.it/


attached mail follows:


Two different techniques for the two questions: do.call('rbind', list.of.matrices) orig.mat[rep(1:nrow(orig.mat), 5), ] See S Poetry for details. Patrick Burns patrick@burns-stat.com +44 (0)20 8525 0696 http://www.burns-stat.com (home of S Poetry and "A Guide for the Unwilling S User") Mauro Gasparini wrote:
>Dear users,
>
>I have a list of several matrices with the same number of columns,
>how do I rbind them all with a vectorized command?
>
>A related simpler question is, how do I vectorize the instruction
>that rbinds together several copies of the same matrix?
>
>Thanks.
>
>
>

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Received on Sun Jul 17 00:34:53 2005

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