similar to: Finding windows DLLs

Dear developers: I have just came across an (unexpected to me) behaviour of lists when assigning NULLs to list elements. I understand that a NULL is a valid R object, thus assigning a NULL to a list element should yield exactly the same result as assigning any other object. So I was surprised when assigning a NULL in fact removed the element from the list. Is this an intended behaviour? If

Dear lists: I am somewhat puzzled by the use of texi2dvi/pdflatex in R2.7.0. When building EBImage (bioconductor) with 2.7.0 I get the same error both in Windows and Linux, which reads the following: ** building package indices ... * DONE (EBImage) * creating vignettes ... ERROR /usr/bin/texi2dvi: pdflatex exited with bad status, quitting. Error in texi2dvi(file = bft, pdf = TRUE, clean =

Hi Everyone, I have a question about for loops. If you have something like: f <- function(x) { y <- rep(NA,10); for( i in 1:10 ) { if ( i > 3 ) { if ( is.na(y[i-3]) == FALSE ) { # some calculation F which depends on one or more of the previously generated values in the series y[i] = y[i-1]+x[i]; } else { y[i] <- x[i]; } } } y } e.g. >

Hi Everyone, I have a question about for loops. If you have something like: f <- function(x) { y <- rep(NA,10); for( i in 1:10 ) { if ( i > 3 ) { if ( is.na(y[i-3]) == FALSE ) { # some calculation F which depends on one or more of the previously generated values in the series y[i] = y[i-1]+x[i]; } else { y[i] <- x[i]; } } } y } e.g. >

First, thanks to those of you who responded to my previous post about my code that was taking longer and longer to process. After following your suggestions, and I now thinking that the problem was some calls to Rf_duplicate in my C code. So I'm hoping I could get some clarification on what Rf_duplicate actually does. What is the real difference between PROTECT(y=x); and PROTECT (y =

Hi, Trying to decrease the size of a SEXP variable without reassigning values individually in a loop. So far, I've tried using Realloc, as the follow source demonstrates: SEXP dothis() { SEXP Rblah; PROTECT(Rblah = NEW_INTEGER(6)); int* blah = INTEGER(Rblah); blah[0] = 1; blah[1] = 2; blah[2] = 3; Realloc(Rblah, 3, INTEGER); UNPROTECT(1); return(Rblah); } According to the

Hello all, I'm trying to have C called by R. I wrote C codes that worked perfectly fine with R-2.6.0 in windows system ( using R tools). I had to change to SuSE Linux (this system has 3.2 GHz Intel Xeon processors and 4 GB of RAM), the C codes were compiled okay but when it was called to R-2.6.2, I got error mesage : ***caught segfault*** address 0x1df5000, cause 'memory not

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hello, how can I do to drop decimal after the comma please for example for tthis line > print(P) [1] 62.000000 1.000000 7.661290 5.200000 17.100000 2.318801 how canI do to keep only 62 1 7.66 5.2 17.1 2.32 thanks __________________________________________________ ble contre les messages non sollicités [[alternative HTML version deleted]]

I'm not sure if this is the place to post this question, but, I am having trouble compiling the source code. I do have a suitable C compiler and f2c but I get this error when I run ./configure configure: error: --with-readline=yes (default) and headers/libs are not available Any ideas? Thanks.

I'm not sure if this is the place to post this question, but, I am having trouble compiling the source code. I do have a suitable C compiler and f2c but I get this error when I run ./configure configure: error: --with-readline=yes (default) and headers/libs are not available Any ideas? Thanks.

Dear all R users, Is there any function to omit repeated values in a vector? Your help will be highly appreciated. Thanks stat --------------------------------- Here’s a new way to find what you're looking for - Yahoo! Answers [[alternative HTML version deleted]]

How can I run something like source("filename") from the Unix command line? Maybe somthing like ./R CMD source("filename") - this does not work. I need to run an R source code file with a command from the Unix command line. assuming that I have R installed on my system. Thank you all Amir. -- View this message in context:

Hello everyone, I am using the following program to get the p-value of some numbers (column 'LR' of the data.dat file). I want to write the 1st and 2nd column of the output file (data.out) as an integer while the program change them to double. Could anybody please tell me how I can write the code which writes the values of the first two columns as integer? Thanks library ('MASS')

Hi, Does any one know if it is possible to create an R script that can use command line parameters. I can execute an R script from the command line, but I cannot figure out how to pass parameters to the script. The only resources I have found seem somewhat involved or incomplete. Any help is appreciated. Akintayo [[alternative HTML version deleted]]

Full_Name: Richard Cotton Version: 2.6.1 OS: Windows XP (32bit) Submission from: (NULL) (193.119.236.82) Using %s in a filename when opening a device causes R to crash, e.g., pdf("foo%s.pdf") win.metafile("foo%s.wmf") postscript("foo%s.ps")

Hello, All! I'm new for R-devel list. And I'd like to ask some questions, maybe they will be stuped for the most part of members of the list. I need to call function which is written in C++ from R. My questions are: 1. How should I include libraries (for example, iomanip, sstream, iostream)? 2. Can I use namespace? Thanks All :) Olga

Hi! Is there any way to test if R is running on a Mac? I usually use value of .Platform$OS.type for windows or unix, but Mac falls in the latter group. Thanks, Gregor

Hi all, I was trying to set up an interface for using C functions in R. For this, my R file hello2.r is: --------------------------------------------------------------------------------- hello2 <- function(n) { .C("hello", as.integer(n)) } hello2(3) -------------------------------------------------------------------------------- and my hello.c file is:

Hi, I am debugging intermittent crashes of R that seem to happen when multiple R sessions nearly summaltaneously load same dll-based library. I have R and my libraries installed on a network drive (everything is Windows). The drive is visible from a farm of servers. I have an R script, foo.R, that just loads a dll-based library (to be precise it loads a library that requires a dll-based