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3 messages · Ko-Kang Kevin Wang, Uwe Ligges, Brian Ripley

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Ko-Kang Kevin Wang
# 
Hi,

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.

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
    close(zz)

But instead of exporting the matrix, it export each number in the matrix and
separating each number into one line!

Can anyone tell me where I did wrong?  Much appreciated!

Cheers,

Kevin

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Ko-Kang Kevin Wang
Statistical Analysis Division Leader
Software Developers' Klub
University of Auckland
New Zealand


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Uwe Ligges
#
Ko-Kang at xtra.co.nz wrote:
Have a look at ?write  and  ?write.table.

Uwe
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Brian Ripley
#
On Wed, 2 May 2001 Ko-Kang at xtra.co.nz wrote:

            

      
      
      
    

        
(page numbers depend on your formatting: I get page 25 in an index.)

            

      
      
      
    

        
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.

            

      
      
      
    

        
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.