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Hi, I have a function foo(x,y) and a dataframe, DF, comprised of two vectors, x & w, as follows : x w 1 1 1 2 2 1 3 3 1 4 4 1 etc I would like to apply the function foo to each 'pair' within DF e.g foo(1,1), foo(2,1), foo(3,1) etc I have tried >apply(DF,foo) >apply(DF[,],foo) >apply(DF[DF$x,DF$w],foo) However, none of the above worked. Can anyone help ?

Is there a native factorial function in R [my searches have been fruitless], or do I need to use gamma() function? ********************************************************************* Dr Peter Caley CSIRO Entomology GPO Box 1700, Canberra, ACT 2601 Email: peter.caley@csiro.au Ph: +61 (0)2 6246 4076 Fax: +61 (0)2 6246 4000 *********************************************************************

Dear R-helpers, i am trying to make a shared library from a Fortran subroutine, and i therefore used (after reading the documentation): Rcmd SHLIB forfile.f #(R1.70, Win2000) And the error is: " 'perl' is not recognized as an internal or external command,operable program or batch file." So i went ahead and tried to install Perl (from the suggested website in

Does anybody know how to make pairs graphics with dots of different colours depending on the value of a categorical variable ? Thanks, Arnaud ************************* Arnaud DOWKIW Department of Primary Industries J. Bjelke-Petersen Research Station KINGAROY, QLD 4610 Australia T : + 61 7 41 600 700 T : + 61 7 41 600 728 (direct) F : + 61 7 41 600 760 **************************

Dear Sir I have successfuly downloaded R package. Kindly let me know where i will get _/*user mannual*/_ for the same. awaiting a prompt reply with regards Pankaj @#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@#@ Pankaj Kumar Research Scholar Climatology & Hydrometeorology Divison Indian Institute Of Tropical Meteorology Homi Bhabha Road, Pune-411008 India Phone No. +91-20-5893600 Ext. 361

i need step by step directions on how to export a text file into the r file

Dear all, My friend wants to fit a model of the type z = a x^n y^m + b, where x, y, z are data and a, b, n, m are unknown parameters. How can he transform this to fit in the linear regression framework? Any help would be appreciated. With regards, Gorazd Brumen -- Mail 1: gbrumen at student.ethz.ch Mail 2: gorazd.brumen at fmf.uni-lj.si Tel.: +41 (0)1 63 34906 Homepage:

I have a tree created with tr.hh.logcas <- rpart(log(YCASSX + 1)~AGE+DRUGUSEY+SEX+OBSXNUM +WINDLE, xval = 10) I would like to label the nodes with YCASSX rather than log(YCASSX + 1). But the help file for text in library rpart says that you can only use labels that are part of x$frame, which YCASSX is not. Is there a way to do what I want? Thanks in advance Peter Peter L. Flom, PhD

> Hello, > My question is very simple. I have installed R from the internet and I want to use it to analyse my data set. It seems that R is not able to make the > connection when I use the read.table () function since it probably doesn't know where is the required file. Where am I suppose to save my file ? > Thanks > > Marc-Antoine Vaillant > Actuarial Analyst > Les

Thanks to everyone who replied to my first problem. Here is the second one: Is the function "lme" (Mixed Model) also in a foreign library(shouldnt, as this is a basic statistical function)? I am trying to use lme in R and it replies that it couldnt find the function lme...weird... Thanks for replying!

Hello, Can anyone tell me how to change the default directory in RGui for windows NT? Thanx, Roy

Hi, I want to use Princomp function in R, but com up an error as " Error: couldn't find function "princomp" ", can you help me resolve this problem? Thanks, Jixin Dai, Ph.D

Hello, I have to do an ANOVA (or is it a MANOVA) with 6 Variables (called HsL, LsH, Hp, Lp, G, and) and 6 categories (OQ, Go, RC, AV, CC, Sk), the examples in the literature couldn't help me so far. Who can help me?? Thank Britta

What is the best way to sort a dataframe? For example, how would I go about sorting a dataframe (with variables V1-V5) by ascending V1, V2 and descending V3 while retaining V4 and V5. Also, is there a relatively easy way by which to re-order my columns? Thank you for your time. Marc Marc Zodet [[alternative HTML version deleted]]

Dear Sir, I am system administrator for sun solaris 2.8. I have no idea about the functioning of the R software. I had installed. I tried testing some of the programs and functions. I read in the manual that plot(x,y) functions automatically generates a graphical window and plot. that does not happens in my installation. Please help me in this regard yours sincerely. Arunkumar

Hi, I wish to install R on my computer but I do not know how to do this. I have a Windows ME. Please advise on how to install R. Thank you. Stefanie [[alternative HTML version deleted]]

As a newbie to R, I need to learn my way around (no previous experience of S).What books, doc for R are recommended? I'm interested primarly in non linear regression and process modelling (and have downloaded the R documentation from the site). Thanks for all tips Anne

Hello! We are a group of three students at Bielefeld University currently working on a statistical projects about neural networks. Within the framework of this project we are supposed to use the nnet-function in R and explain how it works. Since anyone of us has much experience in using R we hoped to find some information on your homepage. Unfortunatelly, we haven't been very successfull so

Hello, my question is if I have two axes in a graphics as I can put him a different color al axis and to the number of the scale. ? Thanks. Ruben

Hello- I am trying to download packages from CRAN to my Window-based system. I downloaded the most recent version of Perl, as instructed in the Install Manual and the "car" package, just as a trial. Where should they "reside" within my computer: the unzipped Perl I have placed at ...R/rw1070; the "car" package I unzipped and placed at ...R/rw1070/library. Is this