[R] Export to File...
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed May 2 11:04:46 CEST 2001
On Wed, 2 May 2001 Ko-Kang at xtra.co.nz wrote:
> I've been reading the Data Import and Export manual (page 25 on Connection
> chapter) but somehow I can't manage to get what I want.
(page numbers depend on your formatting: I get page 25 in an index.)
> I have a 28x28 distance matrix, which I would like to export to a file.
> What I did was something like:
> zz <- file("ex.data", "w") # open an output file connection
> cat( traffic.manDist, file = zz ) # traffic.manDist is my matrix name
> But instead of exporting the matrix, it export each number in the matrix and
> separating each number into one line!
If you mean that all the numbers appear on one line separated by spaces,
that's what cat() does given a matrix: you got what you asked for. Try it
at the console.
> Can anyone tell me where I did wrong? Much appreciated!
If you want to export a matrix to a text file, read the section on `export
to text files', which is way before page 25.
Brian D. Ripley, ripley at 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)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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