Re: [Rd] sample on data.frame

2010-02-20 Thread Sean O'Riordain
Good morning Stavos, I currently use the following definition in my own environment. sample.df - function (df, n = 3) { df[sample(nrow(df), min(nrow(df), n)), ] } I also added in the possibility of returning n sequential rows which I used when examining address files... but I haven't used

Re: [Rd] how to create a SEXP which could be accessed in embedded R

2010-02-20 Thread Romain Francois
On 02/20/2010 05:58 AM, yeahzx wrote: Hi all, I am not familiar with writing R extensions. In a C program, I want to create a SEXP and access it in embedded R. How to let the embedded engine know there's a new vector? For example, after creating a SEXP, parsing 'ls()' in embedded R and then

[Rd] Problem with ?Syntax

2010-02-20 Thread Gabor Grothendieck
In ?Syntax [ is given as higher priority than $ but BOD$demand[3] seems to be the same as (BOD$demand)[3] contrary to [ being higher priority. BOD$demand[3] [1] 19 (BOD$demand)[3] [1] 19 What is the rule being used here? __ R-devel@r-project.org

Re: [Rd] Problem with ?Syntax

2010-02-20 Thread Barry Rowlingson
On Sat, Feb 20, 2010 at 9:52 AM, Gabor Grothendieck ggrothendi...@gmail.com wrote: In ?Syntax [ is given as higher priority than $ but BOD$demand[3] seems to be the same as (BOD$demand)[3] contrary to [ being higher priority. BOD$demand[3] [1] 19 (BOD$demand)[3] [1] 19 What is the rule

Re: [Rd] Problem with ?Syntax

2010-02-20 Thread Gabor Grothendieck
I wasn't claiming there was an ambiguity but it does not perform according to the operator precedence documented in ?Syntax . If it performed as documented it would give an error. On Sat, Feb 20, 2010 at 6:57 AM, Barry Rowlingson b.rowling...@lancaster.ac.uk wrote: On Sat, Feb 20, 2010 at 9:52

[Rd] read.csv('/dev/stdin') fails (PR#14218)

2010-02-20 Thread egoldlust
Full_Name: Eric Goldlust Version: 2.10.1 (2009-12-14) x86_64-unknown-linux-gnu OS: Linux 2.6.9-67.0.1.ELsmp x86_64 Submission from: (NULL) (64.22.160.1) After upgrading to from 2.9.1 to 2.10.1, I get unexpected results when calling read.csv('/dev/stdin'). These problems go away when I call

[Rd] Rubbish values written with zero-length vectors (PR#14217)

2010-02-20 Thread g . russell
Full_Name: George Russell Version: 2.10.0, 2.11.0 (2009-12-13 r50716) OS: Windows Submission from: (NULL) (217.111.3.131) R trace: -- cut here -- v - integer(0) v[[1]] - v v [1] 20522144 v - numeric(0) v[[1]] - v v [1] 4.254131e-314 sessionInfo() R version 2.10.0 (2009-10-26)

Re: [Rd] Rubbish values written with zero-length vectors (PR#14217)

2010-02-20 Thread Henrik Bengtsson
Confirmed behavior on R version 2.10.1 Patched (2010-01-12 r50990) and R version 2.11.0 Under development (unstable) (2010-02-14 r51138) [Windows Vista]: INTEGERS: v - integer(5) v [1] 0 0 0 0 0 v[[2]] - integer(0) v [1] 0 2892960 0 0 0 v[[4]] - 1L[c()] v [1] 0

[Rd] R-forge down

2010-02-20 Thread Henrik Bengtsson
FYI/to the maintainers of r-forge: R-forge seems to be down: 1. http://r-forge.r-project.org/ gives minimal page R-Forge Could Not Connect to Database:. 2. svn+ssh://user name@svn.r-forge.r-project.org/ - svn requests does not work. 3. ping svn.r-forge.r-project.org does indeed respond. /Henrik

[Rd] R logo as SVG ?

2010-02-20 Thread Jens Elkner
Hi, does anybody have the R logo in a vector format preferable SVG? Need it for Freedesktop (GNOME desktop) integration of Rcmdr ... Thanx, jel. -- Otto-von-Guericke University http://www.cs.uni-magdeburg.de/ Department of Computer Science Geb. 29 R 027, Universitaetsplatz 2 39106

Re: [Rd] R logo as SVG ?

2010-02-20 Thread Peter Dalgaard
Jens Elkner wrote: Hi, does anybody have the R logo in a vector format preferable SVG? Need it for Freedesktop (GNOME desktop) integration of Rcmdr ... Thanx, jel. Not really. I played around with the tracer in inkscape at some point, but it didn't come out quite satisfactory. It's a bit of

Re: [Rd] R logo as SVG ?

2010-02-20 Thread G. Jay Kerns
On Sat, Feb 20, 2010 at 1:18 PM, Peter Dalgaard p.dalga...@biostat.ku.dk wrote: Jens Elkner wrote: Hi, does anybody have the R logo in a vector format preferable SVG? Need it for Freedesktop (GNOME desktop) integration of Rcmdr ... Thanx, jel. Not really. I played around with the tracer

Re: [Rd] R logo as SVG ?

2010-02-20 Thread Jens Elkner
On Sat, Feb 20, 2010 at 08:00:13PM +0100, Peter Dalgaard wrote: G. Jay Kerns wrote: On Sat, Feb 20, 2010 at 1:18 PM, Peter Dalgaard p.dalga...@biostat.ku.dk wrote: Jens Elkner wrote: Hi, does anybody have the R logo in a vector format preferable SVG? Need it for Freedesktop (GNOME

Re: [Rd] Rubbish values written with zero-length vectors (PR#14217)

2010-02-20 Thread Seth Falcon
On 2/20/10 7:50 AM, Peter Dalgaard wrote: You don't want to understand, believe me! ;-) It's a bug, probably not the very worst kind, but accessing memory that isn't yours is potentially harmful (but writing to it is considerably worse). Looks like the issue only concerns the right hand

Re: [Rd] Rubbish values written with zero-length vectors (PR#14217)

2010-02-20 Thread seth
On 2/20/10 7:50 AM, Peter Dalgaard wrote: You don't want to understand, believe me! ;-) It's a bug, probably not the very worst kind, but accessing memory that isn't yours is potentially harmful (but writing to it is considerably worse). Looks like the issue only concerns the right hand