Hi Marie and Gavin,
I do remember there is some command doing
"silent", so to suppress output (as if directing it to sink, but not really
directing it anywhere).
The problem is I don't remember the command at the moment - but some
searching might yield you results.

Cheers,
Tal

----------------Contact
Details:-------------------------------------------------------
Contact me: Tal.Galili@gmail.com |  972-52-7275845
Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
www.r-statistics.com (English)
----------------------------------------------------------------------------------------------




On Tue, Aug 17, 2010 at 6:13 PM, Gavin Simpson <gavin.simpson@ucl.ac.uk>wrote:

> On Fri, 2010-08-13 at 14:52 -0300, Marie-Hélčne Ouellette wrote:
> > Dear all,
>
> I've been away for several weeks but I don't see an answer on the list
> so...
>
> > I was wondering if there is a simple way to avoid printing the multiple
> > cross-validation automatic output to the console of recursive
> partitionning
> > functions like rpart or mvpart. For example...
>
> Unfortunately, no. These messages are hardcoded in the mvpart function
> and printed using cat( ) calls. This is unfortunate as a verbose or
> trace argument and appropriate if(verbose) statements before these calls
> to cat would have allowed you to turn off the statements printed.
>
> One way to achieve something similar would be to use sink() and then
> unlink() the file to which output has been diverted. (unlinking a file
> deletes it.)
>
> > sink("foo.FOO")
> > mod <- mvpart(data.matrix(spider[,1:12])~herbs+reft+moss+sand+twigs
> +water,spider,xv="1se",xvmult=100)
> > sink()
> > unlink("foo.FOO")
>
> Depends on what you had in mind and why you wanted to suppress the
> output.
>
> You could do
>
> fix(mvpart)
>
> and edit the function to remove the calls to cat() as required.
>
> > > data(spider)
> > >
> >
> mvpart(data.matrix(spider[,1:12])~herbs+reft+moss+sand+twigs+water,spider,xv="1se",xvmult=100)
> > *X-Val rep : 1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17
>  18
> > 19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36
>  37
> > 38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55
>  56
> > 57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72  73  74
>  75
> > 76  77  78  79  80  81  82  83  84  85  86  87  88  89  90  91  92  93
>  94
> > 95  96  97  98  99  100
> > Minimum tree sizes
> > tabmins
> >  4  6  7  8
> >  2 18 78  2 *
> >
> > ... loosing what's in bold ?
>
> HTML mail is not advocated on this list, and in plain text, all the bold
> formatting is lost.
>
> HTH
>
> G
>
> > Thank you for your time,
> > MH
> >
> >       [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> --
> %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
>  Dr. Gavin Simpson             [t] +44 (0)20 7679 0522
>  ECRC, UCL Geography,          [f] +44 (0)20 7679 0565
>  Pearson Building,             [e] gavin.simpsonATNOSPAMucl.ac.uk
>  Gower Street, London          [w] http://www.ucl.ac.uk/~ucfagls/
>  UK. WC1E 6BT.                 [w] http://www.freshwaters.org.uk
> %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

	[[alternative HTML version deleted]]

