similar to: .rda vs. .RData

Hi list, Is there a way to load one specific object from a .RData file which contains multiple data objects?? Thanks, ...Tao

Hi, It seems simple but I could not find the solution on the R site. I can't save properly ".RData" and ".Rhistory" in Windows 7 folders. I get files with no extension. Thanks in advance for your help. JP Jean-Philippe Puyravaud 9A Frederic Osanam Street Colas Nagar Puducherry 605001 E-mail: <mailto:jp.puyravaud@gmail.com>

Hello all, I was trying to load a .r file using source() and load() functions. Although I could be able to load the codes (mainly few user defined functions) written in that .r. file correctly, however getting following error: > source("D:/Book Code.r") Error in sys.call(sys.parent()) : node stack overflow > load("D:/Book Code.r") Error: bad restore file magic number

Dear R People: I'm trying to replicate something that I saw on an R blog. The first step is to load in the .rda file, which is fine. However, some of the names of the columns in the data frame have special characters, accents, and such. How do I get around this on a basic keyboard, please? Thanks, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences

I am the proud owner of a new laptop since my old one died the other day. Currently I have a dual-boot Windows 7 Home and Ubuntu 12.04 . I'll leave the Windows problems for another post. I know practically nothing about Linux so I am probably doing something stupid but ... at the moment I cannot seem read or write files in Ubuntu. I am not having any problem saving other documents to the

Hi list, Could someone explain to me why the following result is not a integer? > difftime(strptime("24NOV2004", format="%d%b%Y"), strptime("13MAY2004", >format="%d%b%Y"), units="days") Time difference of 195.0417 days I'm using R2.12.0 on WinXP. Thanks! ...Tao

Dear R users, When I Save Workspace... and then reopen it, my platform switches from 64-bit to 32-bit, i.e. the Gui switches between these: R version 2.13.1 (2011-07-08) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: x86_64-pc-mingw32/x64 (64-bit) R version 2.13.1 (2011-07-08) Copyright (C) 2011 The R

Dear list, perusing the GMane archive shows that the issue with XML 3.4.x still bugs odfWeave users. I just checked that the newer XML 3.4.2 version still give the same problem. Using it to weave a bit of documentation written with LibreOffice 3.3.3 (current in Debian testing) leads me to a 192 Kb, 590 pages document, whereas reinstalling XML 3.2.0 gives me a 4 pages, 24Kb file (not

Hello! I have just uninstalled the R 2.4.1 that i was using and installed the latest version (R 2.12.1). In order to read a text file, i was copying the text file to C/Program Files/R/R 2.4.1, and the previous version was able to read it from there. I did the same think for the new version (copy text file to C/Program Files/R/R 2.12.1) and i tried to open it: data <-

Hi list, I want to draw a bar plot with color indicating one grouping and different shading on top of the color indicating another grouping.? How should I proceed? Thanks! ...Tao

Could someone explain to me what namespaces are loaded/saved when objects are saved? Specifically, I'm using this: save(list = ls(all.names = TRUE, envir = envir), file = name, envir = envir) to save out everything from an environment. Later, loading it on another machine, I'm surprised to see the load failing for being unable to load certain packages. Could anyone help me understand

Hi list, I've encounter this problem (see below).? I know it's particularly R-related and it's easy to get by but it still bothers me a lot.? It looks the last character of "N.C. " is a space to me, but it's clearly not.? Can someone tell me a way to figure out what character is in the last position. Thanks! Tao > levels(dat$flag)[3] [1] "N.C.?" >

Hi list, Is there a easy way to compare objects in two different workspace files (i.e. .RData files) in R?? I can use some generic file compare softwares (e.g. BeyondCompare) to binary comparison, but when it says they're different you can't tell where the difference are from. Thanks! Tao

Hello all, given two vectors X and Y I'd like to receive a vector Z which contains, for each element of X, the index of the corresponding element in Y (or NA if that element isn't in Y). Example: x <- c(4,5,6) y <- c(10,1,5,12,4,13,14) z <- findIndexIn(x, y) z [1] 5 3 NA 1st element of z is 5, because the 1st element of x is at the 5th position in y 2nd element of z is 3,

Hi, I'm trying to user lmer function from lmerTest package because, if I understood correectly, it allows to make better inference than lmer method from lme4 package. However, whatever I do I keep getting this error: Error in lme4::lFormula(formula = mark ~ ssCount + sTime+ : rank of X = 1660 < ncol(X) = 1895 any ideas what could be a problem? thanks, Srecko [[alternative HTML

Dear all, I have an R script that uses Rcpp, and I have been trying to parallelize it using mclapply (I tried with the multicore and the parallel library) Sometimes (not always, interestingly), the CPU use for each core drops, usually so that the total over all cores reaches 100%, i.e., as fast as if using just one single core fully. I tried my code directly from within emacs, and also using a

Hello r-help, I've been banging my head against the computer in an attempt to learn how to divide my matrix into segments by rows. I want to be able to return each segment as a newly named object. I've tried looking at the apply functions and creating a for loop but brain no work. Here's the basic starting objects that I believe would be needed to separate the matrix. mat <-

Dear R users, I am running simulations (1000), and in my simulation I am looking at specific sums. For example, if the sum is >=4 then count this, if say <3, then don't count, if the sum=3, then generate a random number from uniform distribution, if this number is say less than 0.5, then count this sum, if greater than 0.5, then don't count. I am having trouble with introducing this

Hi all: My OS is 32bit winxp,but I wanna install 64bit R2.14.1. >From the following website,it says "You can also go back and add 64-bit components to a 32-bit install, or vice versa" http://cran.r-project.org/bin/windows/rw-FAQ.html#Can-both-32_002d-and-64_002dbit-R-be-installed-on-the-same-machine_003f Does it mean that I can install and run 64bit R2.14.1 under 32bit

Hi list, Can somebody explain why there are these warning messages?? I just don't get it.? I'm using R 2.15.1 on WinXP. Thanks! Tao > x [1] -2.143510 -1.157450 -1.315581? 1.033562 -1.225440 -1.179909 >? ifelse(x>0, log2(x), -log2(-x)) [1] -1.099975 -0.210950 -0.395700? 0.047625 -0.293300 -0.238675 Warning messages: 1: In ifelse(x > 0, log2(x), -log2(-x)) : NaNs produced