[R] Printing to screen a matrix or data.frame in one chunk (not splitting columns)

2009-05-15 Thread Adrián Cortés
Hello,

I saw this nice trick I want to replicate but I lost the source and I hope
one of you can point me to the solution.  My problem is that I don't know
the correct words to query this.

When I print to screen a matrix or data.frame the columns are split and
printed below the previous ones; even though I have plenty of screen left.

E.g.,

 my_matrix = matrix(runif(30),nrow=3,ncol=10)
 my_matrix
  [,1]  [,2]  [,3]   [,4]  [,5]  [,6]
[,7]
[1,] 0.4979305 0.1155717 0.4484069 0.29986049 0.5427566 0.4324351
0.269171456
[2,] 0.8405987 0.3605237 0.6615507 0.75305248 0.8569482 0.3401004
0.192526423
[3,] 0.5608779 0.3953941 0.9995035 0.03141064 0.7985053 0.4903582
0.000490054
  [,8]  [,9]  [,10]
[1,] 0.1402751 0.2852381 0.98816751
[2,] 0.8337806 0.7322920 0.17505541
[3,] 0.5414113 0.4668012 0.04420137

So there is a way to resize the space for printing so that everything in
printed in one chunk.

Thanks in advance,
Adrian

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Re: [R] Printing to screen a matrix or data.frame in one chunk (not splitting columns)

2009-05-15 Thread Martin Maechler
 AC == Adrián Cortés adrc...@gmail.com
 on Fri, 15 May 2009 08:58:04 -0700 writes:

AC Hello,
AC I saw this nice trick I want to replicate but I lost the source and I 
hope
AC one of you can point me to the solution.  My problem is that I don't 
know
AC the correct words to query this.

AC When I print to screen a matrix or data.frame the columns are split and
AC printed below the previous ones; even though I have plenty of screen 
left.

AC E.g.,

 my_matrix = matrix(runif(30),nrow=3,ncol=10)
 my_matrix
AC [,1]  [,2]  [,3]   [,4]  [,5]  [,6]
AC [,7]
AC [1,] 0.4979305 0.1155717 0.4484069 0.29986049 0.5427566 0.4324351
AC 0.269171456
AC [2,] 0.8405987 0.3605237 0.6615507 0.75305248 0.8569482 0.3401004
AC 0.192526423
AC [3,] 0.5608779 0.3953941 0.9995035 0.03141064 0.7985053 0.4903582
AC 0.000490054
AC [,8]  [,9]  [,10]
AC [1,] 0.1402751 0.2852381 0.98816751
AC [2,] 0.8337806 0.7322920 0.17505541
AC [3,] 0.5414113 0.4668012 0.04420137

AC So there is a way to resize the space for printing so that everything in
AC printed in one chunk.

options(width = 100) # or whatever.

---

For ESS users, 
this option is set to the correct value, when R is started.
If later, the emacs window is resized,
you can automatically set the width to the current buffer
(window) size, by

   M-x ess-execute-screen-options

or, for everyone here who has

  (add-hook 'ess-mode-hook'ess-add-MM-keys)
  (add-hook 'inferior-ess-mode-hook 'ess-add-MM-keys)

in their ~/.emacs equivalent, it's a simple  
C-c w ('w' for 'width') to adapt the R option to the emacs
window size.

Martin Maechler, 
ETH Zurich

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Re: [R] Printing to screen a matrix or data.frame in one chunk (not splitting columns)

2009-05-15 Thread Marc Schwartz

On May 15, 2009, at 10:58 AM, Adrián Cortés wrote:


Hello,

I saw this nice trick I want to replicate but I lost the source and  
I hope
one of you can point me to the solution.  My problem is that I don't  
know

the correct words to query this.

When I print to screen a matrix or data.frame the columns are split  
and
printed below the previous ones; even though I have plenty of screen  
left.


E.g.,


my_matrix = matrix(runif(30),nrow=3,ncol=10)
my_matrix

 [,1]  [,2]  [,3]   [,4]  [,5]  [,6]
[,7]
[1,] 0.4979305 0.1155717 0.4484069 0.29986049 0.5427566 0.4324351
0.269171456
[2,] 0.8405987 0.3605237 0.6615507 0.75305248 0.8569482 0.3401004
0.192526423
[3,] 0.5608779 0.3953941 0.9995035 0.03141064 0.7985053 0.4903582
0.000490054
 [,8]  [,9]  [,10]
[1,] 0.1402751 0.2852381 0.98816751
[2,] 0.8337806 0.7322920 0.17505541
[3,] 0.5414113 0.4668012 0.04420137

So there is a way to resize the space for printing so that  
everything in

printed in one chunk.

Thanks in advance,
Adrian




See ?options and take note of 'width' which defaults to 80. Increase  
that value to a number that suits your requirements.


HTH,

Marc Schwartz

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and provide commented, minimal, self-contained, reproducible code.