search for: ecatchpol

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2007 Oct 31
2
R GUI for Linux
I have downloaded and tried to install JGR - Java GUI for R - Version 1.5. I followed all the instructions (at least in my best resolution) and installed Java latest version. R installation complete fine. Has anyone succeded in installing JGR on SuSE 10.3 ? In the following I hade detailed the failed installation, As root /i did the following: linux-Mimin:/usr/local/bin # ./R R version 2.6.0
2005 Jan 14
1
glmm multinomial?
I'm looking for something like Brian Ripley's glmmPQL that will handle multinomial data. Does anyone know of anything? Thanks, Ted. -- Dr E.A. Catchpole Visiting Fellow Univ of New South Wales at ADFA, Canberra, Australia and University of Kent, Canterbury, England - e.catchpole at adfa.edu.au - www.ma.adfa.edu.au/~eac - fax: +61 2 6268 8687 - ph: +61 2 6268 8895
2006 Aug 28
3
Firefox extension fo "R Site Search"
Dear useRs, ================================================= Search for your R routines directly from Firefox! >> http://addictedtor.free.fr/rsitesearch ================================================= Mango Solutions, providers of R and S-Plus consulting, application development and training, are happy to announce the first release of the R Site Search extension for Mozilla Firefox.
2007 Apr 23
2
Problem with dgamma ?
Hi All, Here 's what I got using dgamma function : > nu<-.2 > nu*log(nu)-log(gamma(nu))+(nu-1)*log(1)-nu*(1) [1] -2.045951 > dgamma(1,nu,nu,1) [1] 0.0801333 > dgamma(1,nu,nu,0) [1] NaN Warning message: NaNs produced in: dgamma(x, shape, scale, log) Could anyone tell me what is wrong here ? I am using R-2.4.1 on windows XP. Thanks a lot.
2007 Apr 02
1
?Bug: '&&' and '&' give different results?
"&&" seems to behave strangely and gives different results from "&" e.g. in a data frame selection (regardless whether terms are bracketed)? ===========Script======================= test=data.frame(gender=c("F","M","M","F","F"),side=c("R","L","R","L","R")) test
2007 Oct 24
3
multiply for vector in R
Dear All, Is there a conmand to calculate the multiplication of the elements in a vector? For example: a=c(1,2,3,4) I want to get 1*2*3*4=24. Because the dimension of the vector is high, I want to know there is a command for this task in R? Thank you so much! Kang __________________________________________________ [[alternative HTML version deleted]]
2007 Apr 23
1
Extracing "Interval of Time" in seconds in R
Dear List, I want to let R calculate the time (run-time) it requires to run a self-written simulation function. I tried as follows: it enables me to see the starting and finishing time points. ############################# "sim.result" <- function(nsim, ...){ Starting <- date() ... # calculations # final.result <- ... # Output for display # cat("# of Iterations used
2007 Jun 18
2
Calculating Percentile in R
Hi all, I have a problem on how R calculates Percentiles : Suppose I have following data set: > data1 [1] -16648185 -14463457 -14449400 -13905309 -13443436 -13234755 -12956282 -11660896 [9] -10061040 -9805005 -9789583 -9754642 -9562164 -9391709 -9212182 -9151073 [17] -9092732 -9068214 -8978151 -8943912 -8761890 -8632106 -8541580 -8501249 [25] -8234466 -8219015
2007 Jul 17
3
logical operators priority
Dear R-users, I haven?t found rules for logical operators. I need to select data according the following rule: Condition A & (Condition B | Condition C) How should I write it?? Is Condition A & Condition B | Condition C correct or will R execute (Condition A & Condition B) | Condition C ? Thanks for your help. Delphine Fontaine Delphine Fontaine Statistician Statistics
2007 Feb 15
4
integrate over polygon
Hi there, I want to integrate a function over an irregular polygon. Is there any function which can implement this easily? Otherwise, I am thinking of divide the polygon into very small rectangles and use "adapt" to approximate it. Do you have any suggestions to get the fine division? Any advice is appreciated. Haiyong
2005 Oct 03
6
sampling vectors
Hello Listers, I am trying to sample a vector to create a new one of sample length, witha sum equal to the sum of the initial vector: initial = 10, 30, 10 (sum=50) sample example = 5, 35, 10 (sum=50) or 25, 15, 10 (sum=50), etc ... My problem is to control the sum, so it stays constant. Any suggestions would be very helpful ! Thank you in advance, Eric