similar to: following up on infinite email server loop

Can anyone please tell whether there is any R function to act as "VEC" and "VECH" operator on Matrix? Yes of course, I can write a user-defined-function for that or else, I can put dim(mat) <- NULL. However I am looking for some R function. Your help will be highly appreciated. Regards, -- View this message in context:

Pat Burns makes a good point. -Peter -------- Original Message -------- Subject: Re: [R] Using seq_len() vs 1:n Date: Fri, 12 Feb 2010 09:01:20 +0000 From: Patrick Burns <pburns at pburns.seanet.com> To: Peter Ehlers <ehlers at ucalgary.ca> References: <4B746AEF.10900 at ucalgary.ca> If you want your code to be compatible with S+, then 'seq_len' isn't going to work.

Patrick, Thanks. I tried colnames, but it doesn't work. Seems more transformation is needed. But now I got names, that's good enough. Best. Xumin Patrick Burns <pburns@pburns.seanet.com> 03/15/2010 04:04 PM To Xumin Zeng <xumin.zeng@abbott.com> cc Subject Re: [R] assign colnames to data Those are names, not colnames. See the 'More R key actions' page

I think the rule is that you can do anything as long as you don't complain. If you want to complain, you must follow the instructions. -- Jari Oksanen in Re: [Rd] Keeping up to date with R-devel -- Patrick Burns pburns at pburns.seanet.com twitter: @burnsstat @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of: 'Impatient R' 'The R

I also vote for the 'helpful' addition on row numbers based on the original matrix when no row names are present, with an optional argument to prevent this behaviour. -G > -----Original Message----- > From: Duncan Murdoch [mailto:dmurdoch@pair.com] > Sent: Monday, July 12, 2004 8:06 AM > To: Patrick Burns > Cc: Martin Maechler; Warnes, Gregory R; Prof Brian Ripley; >

R-help is all about solving R problems. So here ya go: http://www.portfolioprobe.com/2011/09/12/solve-your-r-problems/ -- Patrick Burns pburns at pburns.seanet.com twitter: @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno')

Is there a reason that 'which.min' and 'which.max' don't have an 'arr.ind' argument? The context in which I wanted that was a grid search optimization, which seems like it would be reasonably common to me. -- Patrick Burns pburns at pburns.seanet.com http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno')

I've just realized that it could be handy to have a 'decreasing' argument in 'is.unsorted'. And I'm cheekily hoping someone else will implement it. It is easy enough to work around (with 'rev'), but would be less hassle with an argument. The case I have in mind uses 'is.unsorted' in 'stopifnot'. Pat -- Patrick Burns pburns at pburns.seanet.com

There is a weakness in the 'sample' function that is highlighted in the help file. The 'x' argument can be either the vector from which to sample, or the maximum value of the sequence from which to sample. This can be ambiguous if the length of 'x' is one. I propose adding an argument that allows the user (programmer) to avoid that ambiguity: function (x, size, replace

Spoetry is a book on S+ by Patrick Burns available on the net at http://www.seanet.com/~pburns/Spoetry/Spoetry.pdf Its about 439 pages with 16 chapters. You can read all about it at http://www.seanet.com/~pburns/Spoetry/ Michael Lapsley

There is now a document called "Some hints for the R beginner" whose purpose is to get people up and running with R as quickly as possible. Direct access to it is: http://www.burns-stat.com/pages/Tutor/hints_R_begin.html JRR Tolkien wrote a story (sans hobbits) called 'Leaf by Niggle' that has always resonated with me. I offer you an imperfect, incomplete tree (but my roof is

Suggest you try R 1.9.1 patched. This is what I get on Windows XP with that: > matrixObj <- array(1:4, c(2,2)) > class(matrixObj) <- "matrix" > fooObj <- matrixObj > class(fooObj) <- "foo" > fooObj[1:2] [1] 1 2 > matrixObj[1:2] [1] 1 2 > getAnywhere("[.matrix") no object named '[.matrix' was found >

It seems like I must be missing something since I haven't been able to find mention of this. Under Windows 7 I'm not getting carriage returns in the output of BATCH files using 2.15.0 (both 64-bit and 32-bit). They are in the startup messages, but not for the real output. Is this on purpose? Pat -- Patrick Burns pburns at pburns.seanet.com twitter: @portfolioprobe

I suggest that there be an additional sentence in the explanation for the 'repos' argument in the help file for 'install.packages': If the repository is on a local drive, then the string should begin with \code{file:}, e.g., \code{"file:J:/Rrepos"}. Perhaps I'm missing some subtlety, but it makes things work in my case. Pat -- Patrick Burns pburns at

Here's a weird problem that I hope someone can give me some hints for. Actions: Build a package of all R functions -- no compiled code. No indication of anything being wrong. 'require' the newly built package. As far as the session is concerned, there is nothing in the package. This is being done in RStudio on Windows with R version 3.0.2. The package used to work. There was

This is Circle 8..1.13 of the R Inferno. On 05/08/2018 06:57, Rui Barradas wrote: > Thanks. > This is exactly the doubt I had. > > Rui Barradas > > ?s 05:26 de 05/08/2018, Kenny Bell escreveu: >> This should more clearly illustrate the issue: >> >> c(1, 2, 3, 4)[-seq_len(4)] >> #> numeric(0) >> c(1, 2, 3, 4)[-seq_len(3)] >> #> [1] 4

I'm experiencing a weird issue, and wondering if anyone has seen this, and better yet has a solution. At work we are getting lots of issues with 'permission denied' or 'network not found' and so forth when reading and writing between our machines and a file server. This happens randomly so the following function solves the problem for 'cat' commands: catSafer

Is it on purpose that `[[` strips the names when used on an atomic vector? > c(a=1, b=2)[1] a 1 > c(a=1, b=2)[[1]] [1] 1 > sessionInfo() R Under development (unstable) (2013-02-11 r61902) Platform: x86_64-w64-mingw32/x64 (64-bit) locale: [1] LC_COLLATE=English_United Kingdom.1252 [2] LC_CTYPE=English_United Kingdom.1252 [3] LC_MONETARY=English_United Kingdom.1252 [4] LC_NUMERIC=C

Thanks to all kind people who answered. Attached is a useful reply, among many others. -- Mauro Gasparini Professore Straordinario di Statistica Dipartimento di Matematica, Politecnico di Torino Corso Duca degli Abruzzi 24 I-10129 Torino, Italy tel: +39 011 564 7546 fax: +39 011 564 7599 email: gasparini at calvino.polito.it www: http://calvino.polito.it/~gasparin/ Coordinatore Scientifico

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