similar to: error in R

Hi, How could i generate random real numbers between 0 en 2*pi? Thanks, Frederik [[alternative HTML version deleted]]

Hello, i have a 50*100 matrix, with real numbers. How do i sort each column? Now i sort it with a for-loop but this take a lot of time... Thank you, Frederik [[alternative HTML version deleted]]

hi I've used R for many years on windows machines, but have now acquired an Asus eee 1000 linux machine. In order to get the best out of the machine, I used the 'pimpmyeee.sh' script, to get the full KDE desktop. The version of Linux is Xandros, which I believe is a close relative of Debian, but sadly I have only a nodding acquaintance with Linux at present. Naturally I want to

>>> What were your biggest misconceptions or >>> stumbling blocks to getting up and running >>> with R? Easy. I terms of materials I have been unable to find good books that introduce users to R from the perspective of someone familiar only with packages like SPSS or STATA, or not familiar with statistics packages at all. Even introduction texts use jargon

Hello, I have been watching my output as I create functions and do other things in r. One thing I don't like is the [1,] type notation at the beginning of a line. I have been able to change that to a number such as 1 2 etc. using as.data.frame(object). How can I stop the printing of a line number and column heading if I want to? I am thinking about publishing and writing of papers.

I have a data.frame, data, with 30 factor variables. I would like to tabulate the frequencies of each variable and output to a tex file using Sweave. Here is my code chunk: <<label=tab, echo=FALSE, results=tex>>= library(xtable) for(j in 1:30){   cap <- paste("Frequency counts for Q",j,".", sep="")   xtable(t(table(data[,j])),caption=cap) } @

Hi! Can anyone please let me know what numerical integration procedure does the integrate function in package stats follow? Thank you in advance Shant [[alternative HTML version deleted]]

Dear list, making mathematical expressions in plots is not difficult: expression(phi[1]) for example. At this moment I am stuck in creating a vector of expressions: pos <- 1:10 lab <- letters[pos] Now, I would like to create a vector of expressions which I could use for labeling the x-axis of a lattice plot. ll <- as.expression(paste(pos," phi[",lab,"]",sep =

Hello - I need to do simple linear autoregressive model with R software for my thesis. I looked into all your documentation and I am not able to find anything too helpful. Can someone help me with the codes? Thanks Emil [[alternative HTML version deleted]]

Hi all, I'd appreciate your help with this problem. I need to plot a barplot with the categories in a specific order. My data might be: hours Freq AN 10 MO 14 LU 30 I need the categories to be in the order: MO LU AN Is there some way to pass sort the dataset into this order so that it plots correctly when passed to barplot()? Thanks very much, Richie [[alternative HTML

To whom it may concern We are currently trying to utilize your software on windows. We have downloaded all necessary packages and followed instructions as to how to perform the model. Thus the installation has worked perfectly, however when trying to run the program an error message appears "Converting xls file to csv file... Error in system(cmd, intern = !verbose) : perl not found Error in

I've gotten to the point wih an R script where I would like to encapsulate several blocks of codes in R functions. In order to keep the top level script simple I would like to put them in a separate file. This should help the readability of the top level main script. Is source(...) the best way to load those functions in the top level script? For example, in the top level script Line# 01

Hello, I'm rather new to R and I want to do some image analysis. Is there a way to read jpeg files into a matrix like matlab's imread? -- View this message in context: http://www.nabble.com/Reading-Image-Files-tp24619129p24619129.html Sent from the R help mailing list archive at Nabble.com.

Não consigo abrir a pasta txt no R, dá a mensagem: Warning message: In file(file, "r") : cannot open file 'plantula.txt': No such file or directory O arquivo está na mesma página do Scrip. Não sei qual é o problema???? [[alternative HTML version deleted]]

Hi, I have downloaded around 60GB package repositories of bioconductor to use it locally and to set up mirror at my university site. I have installed the mirror with rsync command and able to access also. Now I have to set a cron job for its daily updating from bioconductor website. How should I do it? I know rsync have to be used but I don't know the proper syntax. I request to send

Hi, is there a way to make a call for an input at some point of a process ..? I don't know how to describe it well ... like; please enter your first name: > and then, what is typed in should be saved into a variable.

Hello, I'm running R 2.7.2 in a windows XP environment and I run the following in an R console: library(ncdf) nc <-open.ncdf('c:/file.nc') aa <- get.var.ncdf(nc,'var1') This works fine, but 'aa' takes up about 100mb and I want to release the memory after using it. I try: rm(aa) close.ncdf(nc) and look at Windows Task Manager, but the memory hasn't been

hello all, will you plz tell me how can i convert RData files to txt,,,

Hi, I want to look for some detailed explanation on the properties of Q-Q plot and how the properties are derived. In R, there is the following reference. Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole. Somebody also mentioned the following book chapter to me. Chambers et al., Graphical methods for Data Analysis, Ch.6. But both books are

Hi all, I have a problem with CPU usage while running the Rgui.exe problem is while I am running scripts on Rgui its taking 100% of CPU is there any posibility to reduce the cpu consumption are any package I can use to reduce CPU consumption can any one help me out from this problem because while running these scripts I am not able to do any other work and there is no recursive functions and