[R] How do I provide path character string to extdata content?

2015-02-16 Thread Ulrike Grömping
Dear helpeRs, I have some png files in the inst/extdata directory of a package (e.g., man.png), and I want to provide character strings containing the paths to these files; of course, these path strings have to depend on the individual installation. So far, I have written a function that - if

[R] Reason for difference in singular value decomposition produced by function La.svd (via prcomp)?

2013-08-08 Thread Ulrike Grömping
Dear expeRts, I have run some simulations under R 2.15.1 on a Mac, and I have rerun a sample of them under R 3.0.1 on Windows (and also for comparison under R2.14.1 on Windows). For most cases, I get exactly the same results in all three runs. However, for those cases that depend on principal

[R] Change devAskNewPage setting on Escape?

2013-05-24 Thread Ulrike Grömping
Dear helpeRs, I would like to include generation of a potentially large number of plots, and modify the ask settings using the devAskNewPage function, and return it back to its original state afterwards. It is not unlikely that the user escapes from the long list of plots before reaching the

Re: [R] Issues with TMPDIR/TEMP/TMP? Failure of R CMD check under Windows 7

2013-02-25 Thread Ulrike Grömping
Am 25.02.2013 18:21, schrieb Gabor Grothendieck: On Mon, Feb 25, 2013 at 2:10 AM, Ulrike Grömping groemp...@bht-berlin.de wrote: Gabor, thanks for your patient answers! I have adjusted the Rtools path to consist of both the bin and the gcc-4.6.3 sub directory, and that did it. The R path

[R] Issues with TMPDIR/TEMP/TMP? Failure of R CMD check under Windows 7

2013-02-24 Thread Ulrike Grömping
Dear helpeRs, on my Windows 7 laptop, I have problems getting R CMD check to work. I believe it did work completely before, but I am not sure. Yesterday it almost worked, except for the tests: These were aborted because of a complaint that the temporary directory wasn't available. I played

Re: [R] Issues with TMPDIR/TEMP/TMP? Failure of R CMD check under Windows 7

2013-02-24 Thread Ulrike Grömping
Am 24.02.2013 22:14, schrieb Duncan Murdoch: On 13-02-24 4:00 PM, Ulrike Grömping wrote: Dear helpeRs, on my Windows 7 laptop, I have problems getting R CMD check to work. I believe it did work completely before, but I am not sure. Yesterday it almost worked, except for the tests: These were

Re: [R] Issues with TMPDIR/TEMP/TMP? Failure of R CMD check under Windows 7

2013-02-24 Thread Ulrike Grömping
Am 24.02.2013 23:50, schrieb Gabor Grothendieck: On Sun, Feb 24, 2013 at 4:00 PM, Ulrike Grömping groemp...@bht-berlin.de wrote: Dear helpeRs, on my Windows 7 laptop, I have problems getting R CMD check to work. I believe it did work completely before, but I am not sure. Yesterday it almost

Re: [R] Issues with TMPDIR/TEMP/TMP? Failure of R CMD check under Windows 7

2013-02-24 Thread Ulrike Grömping
an R.exe in the path without the i386. I have no idea what these path settings might have to do with write permissions on the temp directory, but as long as it works ... Best, Ulrike Am 25.02.2013 01:29, schrieb Gabor Grothendieck: On Sun, Feb 24, 2013 at 6:34 PM, Ulrike Grömping groemp...@bht

[R] Sourcing files with Umlaut in path no longer works

2012-11-21 Thread Ulrike Grömping
Dear helpeRs, on my new machine - Windows 7 64Bit, R 2.15-2, I can no longer source files for which the path contains the o-Umlaut (ö). As a historical burden, my username is Grömping and contains that Umlaut (I wouldn't have chosen it now, but decided to keep it for easy transfer). I have

Re: [R] Sourcing files with Umlaut in path no longer works

2012-11-21 Thread Ulrike Grömping
, source worked without problems. Thus, only the warning message did not properly handle the encoding. Best regards, Ulrike Grömping Am 21.11.2012 15:59, schrieb Duncan Murdoch: On 21/11/2012 6:49 AM, Ulrike Grömping wrote: Dear helpeRs, on my new machine - Windows 7 64Bit, R 2.15-2, I can

Re: [R] Two R sessions on multicore computer seem to inhibit each other ?

2012-07-13 Thread Ulrike Grömping
Thanks to both of you, you are probably right that memory is the limiting factor. I have no knowledge about the available memory on the lab machines, but I will find out and make sure that this is the explanation. Best, Ulrike -- View this message in context:

[R] Two R sessions on multicore computer seem to inhibit each other ?

2012-07-12 Thread Ulrike Grömping
Dear R-helpers, I am puzzled by the following observation: On my home dual core Windows desktop computer, I am used to running two R sessions in parallel. These do very well in using the full CPU of the computer (half each) and don't seem to slow each other down. Today I have started some large

Re: [R] Two R sessions on multicore computer seem to inhibit each other ?

2012-07-12 Thread Ulrike Grömping
P.S.: I should have mentioned: The operating system is Windows XP. -- View this message in context: http://r.789695.n4.nabble.com/Two-R-sessions-on-multicore-computer-seem-to-inhibit-each-other-tp4636336p4636355.html Sent from the R help mailing list archive at Nabble.com.

[R] poly objects as data frame columns

2009-07-17 Thread Ulrike Grömping
Dear UseRs, I just learnt that the number of columns of a data frame is not always what I thought it to be, and I wonder where I should have learnt about this. Consider the following example: dat - data.frame(X1=1:10, X2=LETTERS[1:10]) ncol(dat) ## evaluates to 2 (of course) dat$X1poly

Re: [R] poly objects as data frame columns

2009-07-17 Thread Ulrike Grömping
an object that is considered a model.matrix. On Jul 17, 2009, at 12:54 PM, Ulrike Grömping wrote: Dear UseRs, I just learnt that the number of columns of a data frame is not always what I thought it to be, and I wonder where I should have learnt about this. Consider the following

Re: [R] poly objects as data frame columns

2009-07-17 Thread Ulrike Grömping
David Winsemius wrote: On Jul 17, 2009, at 3:24 PM, Ulrike Grömping wrote: David, thanks. Your explanation does not quite fit, though, as it refers to using function data.frame, while I assigned the new column with $-. poly() does return an object of classes poly and matrix

[R] Question regarding lu in package Matrix

2008-07-09 Thread Ulrike Grömping
- expand(lu(Matrix(u3,sparse=F))) as.matrix(elu$U) I only have very limited experience with the package and its different types of matrices, and I am lost where to start looking for a reason. Regards, Ulrike Grömping -- View this message in context: http://www.nabble.com/Question-regarding-lu

Re: [R] Question regarding lu in package Matrix

2008-07-09 Thread Ulrike Grömping
suggesting that we should check the argument to lu and report an error if it is not square I only have very limited experience with the package and its different types of matrices, and I am lost where to start looking for a reason. Regards, Ulrike Grömping -- View this message

Re: [R] missing data imputation - simulation

2008-06-04 Thread Ulrike Grömping
Birgit, not knowing your data, I would recommend R-package mice or function aregImpute from R-package Hmisc as good multi-purpose tools. Regards, Ulrike -- View this message in context: http://www.nabble.com/missing-data-imputation---simulation-tp17642736p17643601.html Sent from the R help

Re: [R] New Cran Task View: ExperimentalDesign

2007-12-21 Thread Ulrike Grömping
Thanks, Hadley! Regards, Ulrike -- Original Message --- From: hadley wickham [EMAIL PROTECTED] To: Ulrike Grömping [EMAIL PROTECTED] Cc: r-help@r-project.org Sent: Fri, 21 Dec 2007 22:49:38 + Subject: Re: [R] New Cran Task View: ExperimentalDesign And the url is: http

Re: [R] re lative importance of predictors

2007-11-29 Thread Ulrike Grömping
Hi Robert, relaimpo does work with a (non-robust) linear model, i.e. calculations in relaimpo are using correlations between variables, and it is not possible to incorporate things like the Huber psi function. I am not an expert on robust regression, but I try to answer your question from the