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496 discussions - 1,604 posts

  • I have a loop that increases the size of an object after each iteration. When the Windows Task Manager shows "Mem Usage" about 1.8GB, the Rgui.exe process no longer responds. I use: "C:\Program ...
    Dick BeyerDick Beyer
    Nov 19, 2003 at 6:20 pm
    Feb 3, 2004 at 8:48 pm
  • Dear all, I have found the following (for me) incomprehensible behaviour of ISOdate (POSIXct): [1] "1950-06-16 14:00:00 Westeurop?ische Sommerzeit" Note that in the first case I get the 15th of June ...
    Heiko SchaeferHeiko Schaefer
    Nov 19, 2003 at 1:58 pm
    Nov 20, 2003 at 9:04 am
  • R users, In S, there was a function called usa() that would draw the map of the United States, plus it had other options for graphics. I have looked but I can't find the equivalent in R. Is there ...
    Owen, JasonOwen, Jason
    Nov 3, 2003 at 2:46 pm
    Nov 6, 2003 at 6:13 am
  • Hi dear R-listers, I'm trying to fit a 3-level model using lme in R. My sample size is about 2965 and 3 factors: year (5 levels), ssize (4 levels), condition (2 levels). When I issue the following ...
    Rodrigo AbtRodrigo Abt
    Nov 10, 2003 at 4:01 pm
    Nov 21, 2003 at 3:33 pm
  • Please don't take this the wrong way. There are a lot of extremely helpful people who subscribe to r-help. I was wondering if it is time to adopt a strategy a-la Splus help whereby people reply to ...
    Partha_bagchiPartha_bagchi
    Nov 14, 2003 at 10:02 pm
    Nov 17, 2003 at 6:01 pm
  • Does anybody know if R is FDA or ICH (or EMEA...) compliant? AFAIK S-Plus is but that means nothing... -- Trebate bolji pristup internetu? Nazovite IskonInternet na 0800 1000 ili pogledajte ...
    Antonia DrugicaAntonia Drugica
    Nov 26, 2003 at 4:06 pm
    Nov 28, 2003 at 8:17 am
  • Hi there, I try to compare the mixed model package "lme" by Splus and R. I used the dataset "Ovary" and the following code assuming AR(1) model for the error term: lme(follicles ~ sin(2*pi*Time) + ...
    Lei LiuLei Liu
    Nov 18, 2003 at 8:50 am
    Nov 27, 2003 at 2:44 pm
  • Dear all, I was wondering if someone could tell me what function I must use to know how long a computing problem has taken using R, I mean, I want to know the amount of time R has need to compute ...
    Fuensanta Saura IgualFuensanta Saura Igual
    Nov 5, 2003 at 2:03 pm
    Nov 20, 2003 at 1:11 am
  • Hi, I'me trying to write a function that will shuffle a vector. At the moment I'm baically making a vector of randomized indices and then making a new vector from the original one using these random ...
    Rajarshi GuhaRajarshi Guha
    Nov 10, 2003 at 4:28 pm
    Nov 10, 2003 at 5:39 pm
  • I want to use the identify command when I have multiple plots on the same page. For example if I use: par(mfrows=c(2,1)) and then: plot(x1,y1) plot(x2,y2) I get two plots on the same page, but if I ...
    Luke KeeleLuke Keele
    Nov 10, 2003 at 11:16 am
    Nov 28, 2003 at 6:55 am
  • + I know the help for these is in ?Control, but I sometimes make the mistake of typing ?for instead. What is R expecting me to say to finish the statement? Thanks, Angel
    AngelAngel
    Nov 16, 2003 at 9:36 pm
    Nov 21, 2003 at 12:08 pm
  • Dear r-help people, could you confirm that this is correct behaviour for R? I am using RH9. the code: x1 <- 1:6 t1 <- 5 if (length(x1) = t1) { cat("in the if \n") } else { cat("in the else\n") } runs ...
    Brown, SimonBrown, Simon
    Nov 13, 2003 at 12:39 pm
    Nov 14, 2003 at 7:15 pm
  • Is there a form of with (or an equivalent function) that can be applied to objects? I'd like to be able to write something like (drawing from bioconductor + trellis as an example) xyplot(maA ~ maM | ...
    Hadley WickhamHadley Wickham
    Nov 30, 2003 at 9:20 am
    Dec 4, 2003 at 7:20 am
  • How would I discover that + is a method for POSIXct? Applying methods() to POSIXt and POSIXct does not reveal it. [1] as.character.POSIXt cut.POSIXt diff.POSIXt [4] hist.POSIXt julian.POSIXt ...
    Gabor GrothendieckGabor Grothendieck
    Nov 28, 2003 at 9:27 pm
    Dec 1, 2003 at 8:41 pm
  • I'm new to R, and using version 1.8.0 on Windows XP, under emacs/ess. I'm trying to test some simple output flow using functions in the Hmisc package and hit an error that may be a more general ...
    David KellyDavid Kelly
    Nov 23, 2003 at 8:52 pm
    Nov 28, 2003 at 7:18 am
  • Hi, I ran a small data set from a factorial experiment through R, Minitab and JMP... the result from R is significantly different from what Minitab or JMP give... The data set is at the following ...
    Nirmal GovindNirmal Govind
    Nov 19, 2003 at 12:36 pm
    Nov 20, 2003 at 10:29 pm
  • Hi, I got caught out by this behaviour in 1.8.0 and I wondered why this happens: I have a list of vectors and was using lapply and grep to remove matched elements that occur in only a subset of the ...
    David OrmeDavid Orme
    Nov 14, 2003 at 1:16 pm
    Nov 14, 2003 at 7:12 pm
  • I would like to create a family of barplots with the same xlimits. Is there a way to "read" the xlimits from the first graph so I can apply it to the subsequent ones? I have tried just taking the min ...
    Paul SorensonPaul Sorenson
    Nov 13, 2003 at 5:54 am
    Nov 14, 2003 at 1:57 pm
  • Hi, I use a little script? to make a chi-square-test on 162 factors (it makes no difference if I take the numeric variant of the factors). At factor nr. 4 is stops with an error: [1] "v1= V7.KARTM ...
    Christoph BierChristoph Bier
    Nov 7, 2003 at 1:55 pm
    Nov 8, 2003 at 10:13 am
  • Which is the best editor for .R files? I currently use kate on my linux as it has R highlighting and allows me to split the window into two: in one I edit the .R file and in the other I have a shell ...
    AngelAngel
    Nov 20, 2003 at 9:27 pm
    Nov 25, 2003 at 3:57 pm
  • Hi, I'm trying to subset a list which contains variable length vectors. What I want to do is extract (eg.) the 3rd item in each vector (with length = 3). At the moment I'm using ...
    Hadley WickhamHadley Wickham
    Nov 10, 2003 at 12:43 am
    Nov 15, 2003 at 1:40 am
  • I have a problem with running my R programs as queue jobs. When I try to submit a batch file to the queue with qsub I get the following error message: /home/gjuvslan/kluster/R-1.7.1/bin/R.bin: error ...
    Arne GjuvslandArne Gjuvsland
    Nov 13, 2003 at 9:59 am
    Nov 13, 2003 at 2:23 pm
  • Hi, I'm in this situation: I what to generate N random numbers(integer) that are different from each other. One suggestion: tabel <- rep(NULL, N) for (i in 1:N){ temp <- as.integer(runif(1,1,max)) ...
    Ragnhild SørumRagnhild Sørum
    Nov 12, 2003 at 2:26 pm
    Nov 12, 2003 at 10:31 pm
  • Dear colleagues, Is there any way of saving an animated plot with R? For instance, any format that could be read by Microsoft windows media or whatever. Cheers, Jesus
    Jesus Fernandez GalvezJesus Fernandez Galvez
    Nov 10, 2003 at 4:36 pm
    Nov 11, 2003 at 9:02 pm
  • I'm using R 1.7.1 under linux redhat it seems that the eigen values produced by eigen() do not follow a consistant order; I mean either ascending or discending e.g for one system: eigenV<-eigen(V) ...
    Karim ElsawyKarim Elsawy
    Nov 9, 2003 at 2:28 pm
    Nov 10, 2003 at 1:24 pm
  • To all: I currently download the R binaries for Redhat 7.x Linux. There is considerable turmoil in the vendors of Linux. Redhat apparently is changing it's business model to paid versions. This might ...
    Nathan Leon Pace, MD, MStatNathan Leon Pace, MD, MStat
    Nov 5, 2003 at 9:07 pm
    Nov 6, 2003 at 5:56 pm
  • Hello, I'm looking for some guidance with the following problem: I've 2 samples A (111 items) and B (10 items) drawn from the same unknown population. Witihn A I find 9 "positives" and in B 0 ...
    Arne MullerArne Muller
    Nov 27, 2003 at 4:04 pm
    Dec 1, 2003 at 9:16 am
  • In <R 1.8.1 the following fragment worked properly, now (1.8.1) it creates the following warning/error: Any advice appreciated. stt <- data.frame() # load all datasets into a dataframe for (ds in ...
    Al PiszczAl Piszcz
    Nov 22, 2003 at 4:57 pm
    Nov 22, 2003 at 10:19 pm
  • Dear R-people! I am using R 1.8.0, under Windows XP. While using ISOdate() and strptime(), I noticed the following behaviour when "wrong" arguments (e.g., months 12) are given to these functions: [1] ...
    RINNER HeinrichRINNER Heinrich
    Nov 14, 2003 at 10:13 am
    Nov 22, 2003 at 7:55 pm
  • Hello, I am trying to use HMisc describe on a data frame. I have specified certain variables as dates using, for example: df1$aidsdate <- dates(aidsdate,format="day.mon.year", origin=c(month = 1, day ...
    Tmurph6Tmurph6
    Nov 11, 2003 at 11:28 pm
    Nov 19, 2003 at 1:35 am
  • Hi, I'm trying to write a function that will divide a given range of numbers into 3 sets using sample(), without repetition. Currently I'm trying this approach: r <- 1:10 s1 <- sample(r,size=3) Next, ...
    Rajarshi GuhaRajarshi Guha
    Nov 18, 2003 at 12:28 am
    Nov 18, 2003 at 8:09 am
  • Hello, Thanks to people who responded to previous mail! Is there a way in which we can stop further sourcing of an R file? i.e., i am sourcing an R file and keep an equivalent of 'exit' in it and run ...
    U.RamakrishnaU.Ramakrishna
    Nov 13, 2003 at 8:52 pm
    Nov 14, 2003 at 4:20 pm
  • Hi, I'm new to R and I'm finding it quite a chore trawling through the R documentation to find a function to carry out simple atomic tasks. Is any one aware of R help documentation that is aranged in ...
    Neil OsborneNeil Osborne
    Nov 4, 2003 at 2:55 pm
    Nov 6, 2003 at 2:15 pm
  • Hello I'm moving from using R 1.8 for Windows to using Linux (Redhat version 9) and I cannot get any graphics. However everything else maths, models equations is fine-- and much quicker. I built from ...
    Stephen HendersonStephen Henderson
    Nov 19, 2003 at 2:47 pm
    Nov 19, 2003 at 4:52 pm
  • Hello, I have count data of animals (here y, y1, y2...) and env. variables (x, x1, x2 ,....). I used a glm glm(y~x1+x2+x3....) glm(y1~x1+x2+x3....) and now I would like to add the count data of other ...
    Martin WegmannMartin Wegmann
    Nov 18, 2003 at 6:07 pm
    Nov 18, 2003 at 9:53 pm
  • Hi, How can I include accents and signs like '?' '?' in the plots generated by R? I try, but R automatically transforms the name ex: [1] "M\216?xico" "Espa\216?a" I've seen in some Spanish texts ...
    Xavier Fernández i MarínXavier Fernández i Marín
    Nov 17, 2003 at 4:14 pm
    Nov 17, 2003 at 6:13 pm
  • Is there a function in R, which would return index of maximum value in a vector ? e.g. [1] 15 ??? index.max(v) ??? 4
    Ryszard CzerminskiRyszard Czerminski
    Nov 14, 2003 at 7:05 pm
    Nov 14, 2003 at 7:56 pm
  • Hi, is the following possible - in a given session I make a lot of objects and save when exiting. Usually I note down seperately what each object is about. Is it possible to attach data to any object ...
    Rajarshi GuhaRajarshi Guha
    Nov 10, 2003 at 4:14 pm
    Nov 10, 2003 at 8:28 pm
  • Is there any documentation on what kind of SPSS file can and cannot be read by read.spss? Alternatively, how can one modify or "clean" an SPSS file to make it readable by read.spss? What properties ...
    Jacob WegelinJacob Wegelin
    Nov 4, 2003 at 11:58 pm
    Nov 5, 2003 at 4:05 am
  • Hi all, I?m having some trouble when trying to compare character values (to check if they are alphabetically ordered). Is it possible to do it in any way? Thanks for your help. Cheers, Aurora
    Aurora TorrenteAurora Torrente
    Nov 3, 2003 at 4:46 pm
    Nov 3, 2003 at 7:42 pm
  • Hello, it wanted to know how I can extract of a dates frame the values peaks according to an interval that I establish. For example if dates are: 1 23 2 4 3 56 4 7 5 99 6 33 extract the date i wanted ...
    SolaresSolares
    Nov 26, 2003 at 10:08 pm
    Nov 27, 2003 at 10:34 am
  • I am trying to fit a rank-frequency distribution with 3 unknowns (a, b and k) to a set of data. This is my data set: y <- c(37047647,27083970,23944887,22536157,20133224, ...
    Dr Andrew WilsonDr Andrew Wilson
    Nov 25, 2003 at 9:09 am
    Nov 25, 2003 at 4:39 pm
  • Hello, Is there like the kruskal wallis test in relation to ANOVA (no restrictions on normallity and variance homogenity) something (in R) for MANOVA? thanks -- Dr.Nicolaas Busscher Universit?t GH ...
    Nicolaas BusscherNicolaas Busscher
    Nov 21, 2003 at 3:00 pm
    Nov 24, 2003 at 11:54 pm
  • what does this mean in R-1.8.1 release notes? o median() no longer `works' for odd-length factor variables.
    John ChristieJohn Christie
    Nov 21, 2003 at 1:22 pm
    Nov 24, 2003 at 10:58 am
  • Dear R-Users, I have a question that bothers me in the last few days. It is supposed to be easy but I can't come up with a solution. Are there any functions in R dealing with transforming empirical ...
    Viola RossiniViola Rossini
    Nov 23, 2003 at 3:48 pm
    Nov 23, 2003 at 7:53 pm
  • Dear r-help members I posted this message already yesterday, but don't know whether it reached you since I joined the group only yesterday. I would like to estimate the boxcox transformed model (y^t ...
    Johannes LudsteckJohannes Ludsteck
    Nov 20, 2003 at 2:02 pm
    Nov 21, 2003 at 7:36 am
  • How can I find the Fracpoly-Package? Thanks!!
    Ercan971Ercan971
    Nov 20, 2003 at 8:50 pm
    Nov 20, 2003 at 10:43 pm
  • Hi, I have a linear mixed-effects model object and want to extract the 95% confidence intervals for the fixed and random effects, respectively. I found the function intervals() for confidence ...
    Joerg SchaberJoerg Schaber
    Nov 13, 2003 at 1:31 pm
    Nov 20, 2003 at 3:37 pm
  • Hi all, Is there a function to check if a particular value is contained in a vector? I've looked at grep in the hope that I could use a Perl-like syntax, but obviously it's different... I'd like to ...
    Pascal A. NiklausPascal A. Niklaus
    Nov 20, 2003 at 12:26 pm
    Nov 20, 2003 at 1:47 pm
  • Hi, I have what should be a simple question. I would like to generate a histogram of x <- c("a","b","c","b","c","c") where the first bar to be labeled 'c' with height 3, second bar to be labeled 'b' ...
    Arend P. van der VeenArend P. van der Veen
    Nov 18, 2003 at 3:29 pm
    Nov 18, 2003 at 4:17 pm
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