Re: [Rd] Speed-up/Cache loadNamespace()

- Original Message - > From: "Dirk Eddelbuettel" > To: "Mario Annau" > Cc: "r-devel@r-project.org" > Sent: Sunday, July 19, 2020 10:09:24 PM > Subject: Re: [Rd] Speed-up/Cache loadNamespace() > On 19 July 2020 at 20:47, Mario Annau wrote: >| Am So., 19. Juli 2020 um 20:11 Uhr schrieb

Re: [Rd] Underscores in package names

> Creeping code complexity ... > > I like to think that the cuteR names will have a Darwinian > disadvantage in the long run. FWIW Hadley Wickham argues (rightly, I > think) against mixed-case names: > http://r-pkgs.had.co.nz/package.html#naming. Good development environments will offer content

Re: [Rd] Example input data with example output using relative pathway in vignette of R package?

Hi Luck, If your package is installed, system.file("extdata", "InputFiles", package = "myPackage") will give you the full path of the InputFiles directory. See ?system.file for more details. HTH, Tobias - Original Message - > From: "Luck Buttered" > To:

[Rd] [OT] new R logo in vector graphics format

/Logo/ Is there anything similar for the new logo? Many thanks in advance. Kind regards, Tobias -- Tobias Verbeke Managing Director Open Analytics NV Jupiterstraat 20 2600 Antwerp Belgium E tobias.verb...@openanalytics.eu M +32 499 36 33 15 http://www.openanalytics.eu

Re: [Rd] [OT] new R logo in vector graphics format

Thank you, Tobias - Original Message - From: hadley wickham h.wick...@gmail.com To: Tobias Verbeke tobias.verb...@openanalytics.eu Cc: r-devel@r-project.org r-devel@r-project.org Sent: Sunday, August 30, 2015 10:47:16 PM Subject: Re: [Rd] [OT] new R logo in vector graphics format

[Rd] NEWS file inconsistency

L.S. I noticed the NEWS file as made available at http://cran.r-project.org/src/base/NEWS became inconsistent in describing CHANGES for a new R version: $ wget http://cran.r-project.org/src/base/NEWS $ cat NEWS | grep 'CHANGES IN ' CHANGES IN 3.2.0: CHANGES IN R 3.1.3: CHANGES IN R 3.1.2:

Re: [Rd] NEWS file inconsistency

Many thanks, Duncan. We will check the prerelease versions of R 3.2.1. Best regards, Tobias - Original Message - From: Duncan Murdoch murdoch.dun...@gmail.com To: Tobias Verbeke tobias.verb...@openanalytics.eu, r-devel@r-project.org r-devel@r-project.org Sent: Saturday, June 6

Re: [Rd] parallel::detectCores(TRUE) gives: Error in system(cmd, TRUE) : error in running command

- Original Message - From: Marius Hofert marius.hof...@uwaterloo.ca To: R-devel r-devel@r-project.org Sent: Friday, August 22, 2014 10:03:13 PM Subject: [Rd] parallel::detectCores(TRUE) gives: Error in system(cmd, TRUE) : error in running command Hi, Both under the current

Re: [Rd] Question: Publishing R/S objects with WebServices (SOAP/WSDL)

Hi Kurt, The R Service Bus was made to do this. http://rsb.doc.openanalytics.eu/dev/ http://rsb.doc.openanalytics.eu/dev/wsdocs/index.html Running in production at multiple big pharma companies since 2010. Open source and freely available. Best, Tobias - Original Message - From:

Re: [Rd] request of information about creating DLL from R to be used in other languages/programs

- Original Message - From: Duncan Murdoch murdoch.dun...@gmail.com To: Ludovic.Brossard ludovic.bross...@rennes.inra.fr Cc: r-devel@r-project.org Sent: Friday, July 18, 2014 9:17:12 PM Subject: Re: [Rd] request of information about creating DLL from R to be used in other

Re: [Rd] R crash using Sys.which on Windows

Dear Prof. Ripley, Many thanks for the change in R 3.1.1 to be as well as for the description of the workaround for R 3.1.0. Best regards, Tobias Verbeke - Original Message - From: Prof Brian Ripley rip...@stats.ox.ac.uk To: r-devel@r-project.org Sent: Monday, May 12, 2014 12:40:17

Re: [Rd] R crash using Sys.which on Windows

- Original Message - From: Tobias Verbeke tobias.verb...@openanalytics.eu To: r-devel@r-project.org Sent: Tuesday, May 6, 2014 8:28:54 PM Subject: [Rd] R crash using Sys.which on Windows Dear list, When installing the latest version of Rtools (3.1.0.1942) into a path that contains

Re: [Rd] checking dependencies in R code ... WARNING

Hi Knut, The code will contain library or require statements, which do not belong there, but need to replaced by specifying the dependencies on these packages in the DESCRIPTION file (Depends / Imports field). For imports you also need to make sure the NAMESPACE file contains the intended

Re: [Rd] checking dependencies in R code ... WARNING

, Tobias - Original Message - From: Knut Krueger r...@knut-krueger.de To: r-devel@r-project.org Sent: Thursday, May 8, 2014 8:59:43 AM Subject: Re: [Rd] checking dependencies in R code ... WARNING Am 08.05.2014 08:35, schrieb Tobias Verbeke: Hi Knut, The code will contain

[Rd] trivial patch solve.Rd (typo)

L.S. Please find below a trivial patch which corrects a typo in solve.Rd from base. Best, Tobias Index: solve.Rd === --- .architect/workspace/R_svn/src/library/base/man/solve.Rd(revision 65545) +++

[Rd] R crash using Sys.which on Windows

Dear list, When installing the latest version of Rtools (3.1.0.1942) into a path that contains more than 96 characters on Windows 7 64-bit, e.g. into C:\TheLatestRtoolsInAPathWithMoreThanNinetySixCharactersWillCrashTheRSessionUponCallingTheSysWhichFunctionInRToGetTheGccPath and assuming that

Re: [Rd] regenerate Rscript after moving R installation

Dear Simon, Many thanks for all additional detail and insight into your practice using rhome and symlinks. Much appreciated! Best, Tobias - Original Message - From: Simon Urbanek simon.urba...@r-project.org To: Tobias Verbeke tobias.verb...@openanalytics.eu Cc: r-devel@r-project.org

[Rd] regenerate Rscript after moving R installation

. -- Tobias Verbeke Manager OpenAnalytics BVBA Jupiterstraat 20 2600 Antwerp Belgium E tobias.verb...@openanalytics.eu M +32 499 36 33 15 http://www.openanalytics.eu __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

Re: [Rd] regenerate Rscript after moving R installation

Hi Dirk, Many thanks for your reaction. - Original Message - From: Dirk Eddelbuettel e...@debian.org To: Tobias Verbeke tobias.verb...@openanalytics.eu Cc: r-devel@r-project.org Sent: Saturday, September 21, 2013 9:00:12 PM Subject: Re: [Rd] regenerate Rscript after moving R

Re: [Rd] regenerate Rscript after moving R installation

Hi Dirk, - Original Message - From: Dirk Eddelbuettel e...@debian.org To: Tobias Verbeke tobias.verb...@openanalytics.eu Cc: Dirk Eddelbuettel e...@debian.org, r-devel@r-project.org Sent: Saturday, September 21, 2013 11:03:37 PM Subject: Re: [Rd] regenerate Rscript after moving R

[Rd] scientific notation and comparison with character variable

L.S. Is the following expected and/or documented? 1e-2 0.05 [1] TRUE 1e-4 0.05 [1] FALSE Many thanks in advance for any pointer. Best, Tobias sessionInfo() R Under development (unstable) (2013-01-01 r61512) Platform: i386-w64-mingw32/i386 (32-bit) locale: [1] LC_COLLATE=English_United

Re: [Rd] scientific notation and comparison with character variable

character, complex, numeric, integer, logical and raw. as.character(1e-2) 0.05 [1] TRUE as.character(1e-4) 0.05 [1] FALSE Best, -- Joshua Ulrich | about.me/joshuaulrich FOSS Trading | www.fosstrading.com On Wed, Jan 2, 2013 at 12:38 PM, Tobias Verbeke tobias.verb...@openanalytics.eu

Re: [Rd] installing spam package is failing (spam_0.29-1)

Hi Chuckles, On 07/16/2012 09:05 PM, chuckles the clone wrote: No, it is R version 2.13.1 This is the latest version apt-get is getting. Is there some advanced technique for obtaining version 2.15.1 ? Have a look here: http://cran.r-project.org/bin/linux/ubuntu/ HTH, Tobias root:~# cat

Re: [Rd] Tesla GPUs

On 08/05/2011 08:36 PM, Simon Urbanek wrote: On Jul 19, 2011, at 12:56 PM, Simon Urbanek wrote: On Jul 19, 2011, at 2:26 AM, Prof Brian Ripley wrote: On Mon, 18 Jul 2011, Alireza Mahani wrote: Simon, Thank you for elaborating on the limitations of R in handling float types. I think I'm

Re: [Rd] Recent and upcoming changes to R-devel

L.S. On 07/05/2011 02:16 AM, mark.braving...@csiro.au wrote: I may have misunderstood, but: Please could we have an optional installation that does not*not* byte-compile base and recommended? Reason: it's not possible to debug byte-compiled code-- at least not with the 'debug' package,

Re: [Rd] Recent and upcoming changes to R-devel

Dear Duncan, On 07/05/2011 03:25 PM, Duncan Murdoch wrote: On 05/07/2011 6:52 AM, Tobias Verbeke wrote: L.S. On 07/05/2011 02:16 AM, mark.braving...@csiro.au wrote: I may have misunderstood, but: Please could we have an optional installation that does not*not* byte-compile base

Re: [Rd] Recent and upcoming changes to R-devel

On 07/05/2011 04:21 PM, Duncan Murdoch wrote: On 05/07/2011 10:17 AM, Tobias Verbeke wrote: Dear Duncan, On 07/05/2011 03:25 PM, Duncan Murdoch wrote: On 05/07/2011 6:52 AM, Tobias Verbeke wrote: L.S. On 07/05/2011 02:16 AM, mark.braving...@csiro.au wrote: I may have misunderstood

Re: [Rd] R-devel Digest, Vol 100, Issue 28

On 06/29/2011 08:08 PM, Duncan Murdoch wrote: On 29/06/2011 1:44 PM, Duncan Murdoch wrote: On 29/06/2011 1:09 PM, Uwe Ligges wrote: On 29.06.2011 13:41, John Maindonald wrote: I get the same style of path as Hadley. This is on Windows 7 Home Premium with SP1. I start R by clicking on the

Re: [Rd] system.file() to read a text file from a vignette

Hi Michael, On 03/23/2011 03:03 PM, Michael Friendly wrote: [Env: R 2.12.2, WinXp] In a vignette for the vcdExtra package, I had a text file, tv.dat under data/, that I used in the vignette as tv1,results=verbatim= tv.data-read.table(system.file(data,tv.dat,package=vcdExtra)) head(tv.data,5)

Re: [Rd] texi2dvi / egrep issue shows (a.o.) up in R-alpha

On 03/22/2011 08:41 AM, Martin Maechler wrote: Tobias Verbeketobias.verb...@openanalytics.eu on Mon, 21 Mar 2011 23:45:33 +0100 writes: L.S. I noticed weird tools::texi2dvi behaviour on R-alpha when specifying an absolute path to the .tex file. The same phenomenon

[Rd] texi2dvi / egrep issue shows (a.o.) up in R-alpha

L.S. I noticed weird tools::texi2dvi behaviour on R-alpha when specifying an absolute path to the .tex file. The same phenomenon also appears to occur on R-2.12.2, so maybe the issue is independent of R. I hope I did not overlook any important information. Best, Tobias require(tools)

Re: [Rd] Clipping (was Re: patch dendrogram.R from stats [was: Re: dendrogram plot does not draw long labels ?])

On 01/29/2011 11:59 PM, Prof Brian Ripley wrote: On Sat, 29 Jan 2011, Martin Maechler wrote: Tobias Verbeke tobias.verb...@openanalytics.eu on Tue, 25 Jan 2011 21:27:41 +0100 writes: L.S. Please find below a patch for dendrogram.R (stats package) against revision r54107 which allows one

Re: [Rd] dendrogram plot does not draw long labels ?

Hi Karl, On 01/25/2011 11:27 AM, Karl Forner wrote: It seems that the plot function for dendrograms does not draw labels when they are too long. hc- hclust(dist(USArrests), ave) dend1- as.dendrogram(hc) dend2- cut(dend1, h=70) dd- dend2$lower[[1]] plot(dd) # first label is drawn

[Rd] patch dendrogram.R from stats [was: Re: dendrogram plot does not draw long labels ?]

, Jan 25, 2011 at 12:17 PM, Tobias Verbeke tobias.verb...@openanalytics.eu mailto:tobias.verb...@openanalytics.eu wrote: Hi Karl, On 01/25/2011 11:27 AM, Karl Forner wrote: It seems that the plot function for dendrograms does not draw labels when they are too long

Re: [Rd] Tips for debugging: R CMD check examples

On 06/29/2010 11:56 PM, Hadley Wickham wrote: Does anyone have any suggestions for debugging the execution of examples by R CMD check? The examples work fine when I run them from a live R prompt, but I get errors when they are run by R CMD check. Not a real tip, but when it occurs I

Re: [Rd] Using SVN + SSH on windows

Paul Gilbert wrote: ... I try several things: if I do 'svn://christo...@svn.r-forge.r-project.org/svnroot/kml3d', I do manage to download the project. But then, I do not manage to upload some modification. All looks ok, but I think you are using the wrong protocol. It should be 'svn+ssh'

[Rd] p.adjust.Rd sugggestion

L.S. In the current version of ?p.adjust.Rd, one needs to scroll down to the examples section to find confirmation of one's guess that fdr is an alias of BH. Please find a patch in attachment which mentions this explicitly. Best, Tobias 32c32 Hochberg (1995) (\code{BH}), and Benjamini

Re: [Rd] How to organized code in the R/ directory of a package?

Peng Yu wrote: I'm making a package, Current, I put all R files in the R/ directory in the package (without using subdirectory). This will become a problem when there are many files in the directory. I'm wondering how to use subdirectories in R/? The standard solution is (I would think) to

Re: [Rd] R Updates or Changes in corporate version of R

Hi, What is the place to search for *corporate version of R *including 1) GUI 2) Documentation 3) Cloud Computing or HPC R is used *as such* in corporate environments all over the world and 1) it comes with a GUI (on Windows and Mac), 2) comes with extensive documentation and 3) has

Re: [Rd] RFC: Ability to suppress 'locale' from sessionInfo

Friedrich Leisch wrote: On Tue, 21 Apr 2009 21:16:59 -0500, Kevin W (KW) wrote: The printing of the locale information from sessionInfo is not very tidy. Using toLatex(sessionInfo) pretty much guarantees badness from breaking the margin boundary (though my version of TeX no longer

Re: [Rd] suggestion for R = 3.0: computer-readable CHANGELOG

Dirk Eddelbuettel wrote: On 17 April 2009 at 10:36, Duncan Murdoch wrote: | I think it would have to do more than that to be useful. It would need | to warn about a lack of an entry for the current version. Otherwise | package.skeleton would create a blank one, and that would satisfy the |

Re: [Rd] suggestion for R = 3.0: computer-readable CHANGELOG

Philippe Grosjean wrote: Tobias Verbeke wrote: Dirk Eddelbuettel wrote: On 17 April 2009 at 10:36, Duncan Murdoch wrote: | I think it would have to do more than that to be useful. It would need | to warn about a lack of an entry for the current version. Otherwise | package.skeleton would

[Rd] master vignette

Dear list, Is there a recommended way of building a package vignette that consists of one master file that \SweaveInput{}'s several other files ? Many thanks in advance for any pointer. Best, Tobias __ R-devel@r-project.org mailing list

Re: [Rd] Using R from Java

Hi Marzio, I am interesting in using R from a web application, for basic statistics and plots. The server is Java-based (tomcat). The simplest solution is a system call that generates the text or the image, then the servlet forwards the output. This can be done from any language, but it is

[Rd] Autoconf / Windows package building problem for device package

Dear list, Tadashi Kadowaki has developed a pdf device package that allows to add hyperlinks and popups to (currently) text, mtext and rect calls. The package passes R CMD check (minor warnings) and compiles on MacOS X and GNU/Linux, but we do not succeed in building the package for Windows.

[Rd] trivial typo ?title

There is a trivial typo in ?title. Please find a patch below. Kind regards, Tobias Index: /home/tobias/Documents/workspace/Rdevel_svn/src/library/graphics/man/title.Rd === ---

[Rd] ** operator

Dear list, I did not find any mentioning of the fact that the ** operator can be used as a synonym for the ^ operator. 5 ** 2 [1] 25 Searching of ** in the R Reference Index only leads to some examples in the mgcv documentation. Equally ?** does not open the arithmetic operators help page,

Re: [Rd] A patch for extending pdf device to embed popup text and web links

Dear Tadashi, Thank you very much for sharing your work. I am sending a patch for R-2.7.0 for extending pdf device to embed pop up text and web links. The patch is available at http://www.okada.jp.org/RWiki/?plugin=attachpcmd=openfile=R-2.7.0.patchrefer=pdf%20device%20patch You can see what

[Rd] option(expressions) and --max-ppsize

. Motivation is to determine stack size of a Java vm used to launch R with a given --max-ppsize option. Many thanks in advance, Tobias -- Tobias Verbeke - Consultant Business Decision Benelux Rue de la révolution 8 1000 Brussels - BELGIUM +32 499 36 33 15 [EMAIL PROTECTED

Re: [Rd] tests Rin and Rout

Peter Dalgaard wrote: Christophe Genolini wrote: hmm, I see 219 out 1378 CRAN packages having a 'tests' subdirectory, so it seems you have been a bit unlucky. ;-) Luck has probably nothing related with my failure. I just try to look in packages recommanded by Pr Brian Ripley (like

Re: [Rd] tests Rin and Rout

Christophe Genolini wrote: Prof Brian Ripley a écrit : Recommended packages cluster codetools foreign lattice nlme and rpart have tests, for example. (As do standard packages grDevices, grid and stats.) Thanks for your help. Concerning .Rin, I check all the package you point, but none

[Rd] by infelicity

Dear list, Please find below an example of odd behaviour of the by function. It occurs both under GNU/Linux R 2.6.2 and Windows R 2.7.0alpha. Respective sessionInfo()'s are given below. I hope I do not overlook anything. testFactor - factor(sample(LETTERS[1:6], size = 42, replace = TRUE))

Re: [Rd] by

- Oorspronkelijk bericht - Van: Peter Dalgaard [mailto:[EMAIL PROTECTED] Verzonden: donderdag, april 3, 2008 02:16 PM Aan: 'Tobias Verbeke' CC: r-devel@r-project.org Onderwerp: Re: [Rd] by infelicity Tobias Verbeke wrote: Dear list, Please find below an example of odd behaviour

Re: [Rd] segfault isoreg with NAs

I was able to reproduce the problem under Windows (R 2.6.1). When running ir4 - isoreg(1:10, y4 - c(5, 9, 1:2, 5:8, NA, 8)), the following message appears: R for Windows GUI front-end has encountered a problem and needs to close. We are sorry for the inconvenience after which R closes. HTH,

[Rd] segfault isoreg with NAs

Dear list, As can be seen below, adding a NA to the y values in a call to isoreg results in a segfault. ir4 - isoreg(1:10, y4 - c(5, 9, 1:2, 5:8, NA, 8)) Adding missing values to the x values, on the contrary, gives an error, but maybe the error message could be tailored to this particular

[Rd] format text help pages Windows

itself (Rgui to be precise) and ESS nicely display help pages with some formatting (color code for Rgui and underlining in an ESS help buffer). Many thanks in advance, Tobias -- Tobias Verbeke - Consultant Business Decision Benelux Rue de la révolution 8 1000 Brussels - BELGIUM +32 499 36 33 15

[Rd] trivial typo R-exts.texi

, and the example above works because there is a @emph{next} method, the default method, not that a new method is selected when the class is changed.) -- Tobias Verbeke - Consultant Business Decision Benelux Rue de la révolution 8 1000 Brussels - BELGIUM +32 499 36 33 15 [EMAIL PROTECTED

[Rd] trivial typo Foreign.Rd (base)

to the C code as a sequence of \R objects. It is included to provide compatibility with S version 4. -- Tobias Verbeke - Consultant Business Decision Benelux Rue de la révolution 8 1000 Brussels - BELGIUM +32 499 36 33 15 [EMAIL PROTECTED] __ R-devel@r

[Rd] serialized plot object (for a certain device)

commonly) a file connection. jpeg(file = test.jpg) plot(1:10) dev.off() In other words, is there a way of capturing the binary `jpeg string' representing the plot(1:10) graph, e.g. into a raw vector ? Many thanks in advance, Tobias -- Tobias Verbeke - Consultant Business Decision Benelux Rue de

Re: [Rd] Sligthly OT Re: Makefile for embedding OpenBUGS in R package

Hin-Tak Leung wrote: Tobias Verbeke wrote: snipped Actually, I think Hin-Tak is right about the absolute path. Even when the R code will call the executable that resides in that directory, R will call it from any directory and that (current) directory will be resolved (at least

Re: [Rd] Sligthly OT Re: Makefile for embedding OpenBUGS in R package

Hi Ben, Tobias Verbeke tobias.verbeke at businessdecision.com writes: The resulting package now allows for using an embedded OpenBUGS on GNU/Linux without relying on WINE. Thanks to all for their helpful comments. woo-hoo! this is great! Any chance that this will propagate

Re: [Rd] Sligthly OT Re: Makefile for embedding OpenBUGS in R package

some text-processing to fill in this path dynamically into the C file i.e. as argument of dlopen() before compiling it? Thanks again, Tobias -- Tobias Verbeke - Consultant Business Decision Benelux Rue de la révolution 8 1000 Brussels - BELGIUM +32 499 36 33 15 [EMAIL PROTECTED

[Rd] Makefile for embedding OpenBUGS in R package

is currently the only (non-WINE) way of using OpenBUGS on Linux in batch mode. Many thanks in advance, Tobias -- Tobias Verbeke - Consultant Business Decision Benelux Rue de la révolution 8 1000 Brussels - BELGIUM +32 499 36 33 15 [EMAIL PROTECTED

Re: [Rd] Makefile for embedding OpenBUGS in R package

- Oorspronkelijk bericht - Van: Prof Brian Ripley [mailto:[EMAIL PROTECTED] Verzonden: maandag, augustus 6, 2007 03:46 PM Aan: 'Tobias Verbeke' CC: r-devel@r-project.org Onderwerp: Re: [Rd] Makefile for embedding OpenBUGS in R package On Mon, 6 Aug 2007, Tobias Verbeke wrote: Dear

Re: [Rd] Makefile for embedding OpenBUGS in R package

. I hope this is useful to someone. Kind regards, Tobias Tobias Verbeke wrote: - Oorspronkelijk bericht - Van: Prof Brian Ripley [mailto:[EMAIL PROTECTED] Verzonden: maandag, augustus 6, 2007 03:46 PM Aan: 'Tobias Verbeke' CC: r-devel@r-project.org Onderwerp: Re: [Rd] Makefile

[Rd] trivial typos R-admin

are always include by @samp{.libPaths()}. --- site libraries are always included by @samp{.libPaths()}. Kind regards, Tobias -- Tobias Verbeke - Consultant Business Decision Benelux Rue de la révolution 8 1000 Brussels - BELGIUM +32 499 36 33 15 [EMAIL PROTECTED

[Rd] trivial typo R-lang

Please find below a patch for a trivial typo in R-lang: 384c384 Symbol have mode @code{name}, storage mode @code{symbol}, and type --- Symbols have mode @code{name}, storage mode @code{symbol}, and type Kind regards, Tobias -- Tobias Verbeke - Consultant Business Decision Benelux Rue de

[Rd] help search mechanism for ?$

I'm sure this is completely harmless, but by accident I discovered that ?nomatterwhat$ fires up ?$ Kind regards, Tobias __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

Re: [Rd] abline for intercept-only simple lm models (with and without offset)

Tobias == Tobias Verbeke [EMAIL PROTECTED] on Sat, 09 Dec 2006 22:42:38 +0100 writes: Tobias The abline function can be used to draw the Tobias regression line when one passes the lm object as an Tobias argument. Tobias However, if it's an intercept-only model

[Rd] abline for intercept-only simple lm models (with and without offset)

The abline function can be used to draw the regression line when one passes the lm object as an argument. However, if it's an intercept-only model, it appears to use the intercept as the slope of the abline: mod - lm(dist ~ 1, data = cars) plot(dist ~ speed, data = cars) abline(reg = mod) #

[Rd] typo in ?dimnames

Dear list, In ?dimnames, section `Value' I read: For the 'data.frame' method both dimnames must be non-null, and the rownames must be contain no duplicates nor missing values. ^^^ Best regards, Tobias version platform i486-pc-linux-gnu arch