Grokbase Groups R r-help January 2005

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528 discussions - 1,753 posts

  • Hi I'd like to know if the R can do the DCCA? Because I can't find the package about the DCCA in R. If it can not, please introduce a free software to me, which you think can easily do the work , ...
    Jan 4, 2005 at 4:13 am
    Jan 27, 2005 at 2:05 am
  • Dear all, I am beginner using R. I have a question about it. When you use it, since it is written by so many authors, how do you know that the results are trustable?(I don't want to affend anyone, ...
    Jan 27, 2005 at 5:09 am
    Feb 2, 2005 at 9:24 am
  • I'm about to present a report (for internal use of governmental agency). I used extensively R , contibuted packages, as well as communications on the R-list As well as citing R, I would like to know ...
    Jan 9, 2005 at 12:20 pm
    Jan 10, 2005 at 4:09 pm
  • Hi, I would like to be able to use R with a connection to a PostgreSQL database. I am using R 2.0.1 on windows XP. I have tried installing both the DBI and rDBI packages (which is better?) but in ...
    Combe, ColinCombe, Colin
    Jan 21, 2005 at 9:58 am
    Feb 1, 2005 at 12:35 am
  • Dear List, After obtaining a second-hand PC and because XP costs too much, I installed Xandros 3.0 (based on Debian) but pretty easy to use if migrating from WinXP. Does anyone know how to install R ...
    Thomas W VolschoThomas W Volscho
    Jan 13, 2005 at 9:15 pm
    Jan 15, 2005 at 12:52 am
  • I would like R to produce some tabulated data in a graphical output. When I say tabulated data, what I mean is a table with rows and columns. This would be useful when reading in a big file, ...
    Dan BolserDan Bolser
    Jan 10, 2005 at 11:05 am
    Jan 11, 2005 at 5:16 pm
  • Hi all, I'm not sure if this is a feature or a bug (and I did read the FAQ and the posting guide, but am still not sure). Some of my students have been complaining and I thought I just might ask: Let ...
    Olivia LauOlivia Lau
    Jan 21, 2005 at 5:06 am
    Jan 21, 2005 at 6:24 pm
  • Hello, I've got an array defined as y <- rnorm(3000), dim(y) <- c(3, 1000). I'd like to produce a 1000-element vector z that is the mean of the corresponding elements of y (like z[1,1] <- ...
    Thomas HopperThomas Hopper
    Jan 11, 2005 at 3:45 am
    Jan 11, 2005 at 11:08 am
  • Hello all, I found a weird result of the GLM function that seems to be a bug. The code: a=c(rep(1,8),rep(2,8)) b=c(rep(0,8),rep(3,8)) cbind(a,b) model=glm(b~a, family=poisson) summary(model) ...
    Florian MenzelFlorian Menzel
    Jan 25, 2005 at 2:22 pm
    Jan 26, 2005 at 1:23 pm
  • Hello, and please excuse this off-topic question, but I have not been able to find an answer elsewhere. Consider a value Z that is calculated using the product (or ratio) of two means X_mean and ...
    Bill ShipleyBill Shipley
    Jan 5, 2005 at 4:09 pm
    Jan 6, 2005 at 4:41 pm
  • hello, i have just started exploring R as an alternative to matlab for data analysis. so far everything is _very_ promising. i have a question though regarding parameter estimation. i have some data ...
    Jan 1, 2005 at 4:18 pm
    Jan 5, 2005 at 11:18 pm
  • I want to add values onto the end of a vector, for example... x <- vector for (i in 1:5){ add_to_end_of_vector(i,x) } I just cant find the answer to this question! Sorry for such a basic question, I ...
    Dan BolserDan Bolser
    Jan 4, 2005 at 1:41 pm
    Jan 4, 2005 at 6:35 pm
  • Dear Lister, I work with R 2.0.1 and Windows XP, and meet a strange trouble trying to make a R package with a make-package.bat file John Fox has kindly provided (see detailed script below). I am ...
    Patrick Giraudoux HPatrick Giraudoux H
    Jan 23, 2005 at 5:51 pm
    Jan 31, 2005 at 1:44 am
  • Greetings - Is it possible, inside .First.lib, to find out the version number of the package that is being loaded? If only one version of the package has been installed, we could scan the DESCRIPTION ...
    Adrian BaddeleyAdrian Baddeley
    Jan 27, 2005 at 4:03 am
    Jan 27, 2005 at 2:08 pm
  • Dear List: A few weeks ago I posted some questions regarding data simulation and received some very helpful comments, thank you. I have modified my code accordingly and have made some progress ...
    Doran, HaroldDoran, Harold
    Jan 18, 2005 at 11:28 pm
    Jan 20, 2005 at 8:01 am
  • I am using R 2.0.2 on a WinXP I am trying to get the code of the Kruskal-Wallis test but function (x, ...) UseMethod("kruskal.test") <environment: namespace:stats [1] "acf" "acf2AR" "add.scope" ...
    R GhezzoR Ghezzo
    Jan 17, 2005 at 2:03 pm
    Jan 17, 2005 at 7:18 pm
  • Hello, I'm a newbie on this list. I have a R code but its execution take a very long time. Is it possible to compile it (in C for example) to decrease the execution time ? -- ---------------- ...
    Depire AlexandreDepire Alexandre
    Jan 7, 2005 at 3:12 pm
    Jan 8, 2005 at 7:33 am
  • Hello, I have an unbalanced mixed model design with two fixed effects "site" (2 levels) and "timeOfDay" (4 levels) and two random effects "day" (3 consecutive days) and "trap" (6 unique traps, 3 per ...
    Thomas PetzoldtThomas Petzoldt
    Jan 5, 2005 at 10:11 am
    Jan 7, 2005 at 12:32 pm
  • Hi, I 've a matrix n*1 (thus a column) and I would like to count the number of negative element inside. Can you help me? Thanks! eg: res[,1]= 1 -3 -1 How obtain the number 2 (number of ...
    Frederic renaudFrederic renaud
    Jan 5, 2005 at 4:07 pm
    Jan 5, 2005 at 6:17 pm
  • OK, dumb question, and it is probably in the docs somewhere, but after 12 months working with R and quite a while looking at the docs, I still don't know (or have forgotten) how to replace all NA ...
    michael watson (IAH-C)michael watson (IAH-C)
    Jan 5, 2005 at 2:26 pm
    Jan 5, 2005 at 3:15 pm
  • Hi, I have to make eps files with fonts embedded. I use the following postscript command: postscript("fig3a.eps", width = 5.2756, height = 7.27, pointsize = 7,horizontal = FALSE, onefile = FALSE, ...
    Rudi AlbertsRudi Alberts
    Jan 18, 2005 at 6:27 pm
    Apr 12, 2005 at 12:18 am
  • Hello all! R2.0.1, W2k. All packages updated. I?m heavily dependant on using mixed models. Up til?now I have used lme() from nlme as I have been told to. Together with estimable() from gmodels it ...
    CG PetterssonCG Pettersson
    Jan 28, 2005 at 10:15 am
    Jan 30, 2005 at 1:25 pm
  • Hi, I just get a question (sorry if it is a dumb one) and I "phase" my question in the following R codes: group1<-rnorm(nP, mean=0, sd=1) group2<-rnorm(n , mean=1, sd=1.5) group3<-c(group1,group2) ...
    WeiWei ShiWeiWei Shi
    Jan 27, 2005 at 8:44 pm
    Jan 28, 2005 at 4:01 pm
  • Is it possible to make multiple plots i.e. to represent more than one function on the same figure? Thank you Email: <span class="m_body_email_addr" title="145bac5173ec15d505659bc8ef20babb" ...
    Jan 1, 2005 at 7:15 pm
    Jan 28, 2005 at 11:50 am
  • Hi, I am trying to make a multi-class classification tree by using rpart. I used MASS package'd data: fgl to test and it works well. However, when I used my small-sampled data as below, the program ...
    WeiWei ShiWeiWei Shi
    Jan 25, 2005 at 7:38 pm
    Jan 26, 2005 at 7:42 am
  • Hello, Say I have a table T as follows A b 1 2 1 3 2 2 2 3 ...etc. And I would like create a table C from this existing table T, but only including rows where A=1. How might I do this? Thanks, K - ...
    K FernandesK Fernandes
    Jan 19, 2005 at 11:14 pm
    Jan 21, 2005 at 2:47 am
  • This graph - is an example I found at created by Maple. Does anybody know how to create ...
    R userR user
    Jan 17, 2005 at 10:37 am
    Jan 20, 2005 at 1:00 am
  • There's a new page on the Burns Statistics website that looks at spreadsheets from a quality assurance perspective. It presents R as a ...
    Patrick BurnsPatrick Burns
    Jan 3, 2005 at 10:54 am
    Jan 14, 2005 at 4:54 pm
  • Hi, I would like to bound the lower limit of my y scale to zero, and let R chose an upper limit. Something like plot(x,ylim=c(0,)) or plot(x,ylim=c(0,na)) but nither of these do the job. I searched ...
    Dan BolserDan Bolser
    Jan 9, 2005 at 6:17 pm
    Jan 10, 2005 at 3:11 pm
  • Hi, I want to use hist with non-equi-spaced breaks, picked such that the fraction of the data points falling in the cells (defined by 'breaks') is roughly equal accross all cells. Is there such a ...
    Dan BolserDan Bolser
    Jan 7, 2005 at 10:20 am
    Jan 7, 2005 at 12:22 pm
  • Dear list, I spent about two hours searching on the message archive, with no avail. I have a list of people that have to pass an on-line test, but only a fraction of them do it. Moreover, as they ...
    Jan 5, 2005 at 5:35 pm
    Jan 6, 2005 at 1:41 pm
  • Hello, unfortunately I had to compile latest version of R-2.0.1 by myself. I'd rather would prefer vendors binaries but since the current version of Ubuntu defaults to 1.9.x I had to compile R on my ...
    Jan 4, 2005 at 10:34 pm
    Jan 6, 2005 at 4:28 am
  • Dear all, I am interested in correctly testing effects of continuous environmental variables and ordered factors on bacterial abundance. Bacterial abundance is derived from counts and expressed as ...
    Christian KamenikChristian Kamenik
    Jan 20, 2005 at 4:02 pm
    Mar 13, 2005 at 3:26 pm
  • I haven't read the book, but could anyone explain more about this parameter? help(agnes) says that ac measures the amount of clustering structure found. From the definition given in ...
    Weiguang ShiWeiguang Shi
    Jan 25, 2005 at 5:11 am
    Jan 28, 2005 at 4:23 am
  • Dear R users, I am currently analyzing a dataset using lme(). The model I use has the following structure: model<-lme(response~Covariate+TreatmentA+TreatmentB,random=~1|Block/Plot,method="ML") When I ...
    Christoph ScherberChristoph Scherber
    Jan 24, 2005 at 1:28 pm
    Jan 26, 2005 at 6:06 pm
  • I am trying to plot in R from a perl script using the Statistics::R package as my bridge. The following are the conditions: 0. I am running from a Linux server. 1. Even without xwindows the following ...
    Leah BarreraLeah Barrera
    Jan 22, 2005 at 2:06 am
    Jan 22, 2005 at 10:29 pm
  • I have around 200 data frames I want to rbind in a vectorized way. The object names are: m302 m303 ... m500 So I tried: mlist <- paste("m",302:500,sep="") dat <-"rbind", get(list(mlist))) ...
    Roger bosRoger bos
    Jan 21, 2005 at 5:07 pm
    Jan 21, 2005 at 6:31 pm
  • Dear R-Helpers, I have a matrix where the first column is known. The second column is the result of multiplying this first column with a constant "const". The third column is the result of ...
    Rau, RolandRau, Roland
    Jan 21, 2005 at 12:31 pm
    Jan 21, 2005 at 5:47 pm
  • I think that title makes sense... I hope it does... I have a data frame, one of the columns of which is a factor. I want the rows of data that correspond to the level in that factor which occurs the ...
    michael watson (IAH-C)michael watson (IAH-C)
    Jan 20, 2005 at 1:57 pm
    Jan 20, 2005 at 5:40 pm
  • Dear R-listers: I want to import a reasonably big file into a table. (15797 x 257 columns). The file is tab delimited with NA in every empty space. I have reproduced what I have used as my read.table ...
    Tiago R MagalhaesTiago R Magalhaes
    Jan 19, 2005 at 4:25 am
    Jan 20, 2005 at 1:54 am
  • Hello, I'd like to remove color bar from "filled.contour" plot. Is it possible and how? I also want to overlay "contour" plot on filled.contour but due to scaling of the "filled.contour" to account ...
    M pM p
    Jan 14, 2005 at 9:34 pm
    Jan 15, 2005 at 1:03 am
  • Hi This is a difference between the way matrices and data frames work I guess. I want to replace the NA values in a data frame by 0, and the code works as long as the data frame in question actually ...
    michael watson (IAH-C)michael watson (IAH-C)
    Jan 14, 2005 at 11:20 am
    Jan 14, 2005 at 2:28 pm
  • [1] 0 2 3 1 rather than the desired 0 1 2 3. Thanks for any explanation.
    White DenisWhite Denis
    Jan 13, 2005 at 8:42 pm
    Jan 13, 2005 at 10:44 pm
  • Dear useRs, I have a function that creates several global objects with assign("obj",obj,.GlobalEnv), and which I need to run iteratively in another function. The code is similar to f <- function(...) ...
    Bogdan romoceaBogdan romocea
    Jan 11, 2005 at 2:26 pm
    Jan 13, 2005 at 5:19 pm
  • I was wondering whether there exists a naming convention for row and column names in R data frames and matrices. E.g: PriceSwap or PRICESWAP or PRICE.SWAP Many thanks. Reinhold
    Hafner, Reinhold (Risklab)Hafner, Reinhold (Risklab)
    Jan 13, 2005 at 8:48 am
    Jan 13, 2005 at 5:04 pm
  • hi, I am encoutering a very little problem that seemed to be so easy to solve.... I need to divide the array for a random sample of size 100. Then I need the values in A that are not selected in S to ...
    Nicolas DeigNicolas Deig
    Jan 13, 2005 at 12:50 pm
    Jan 13, 2005 at 2:05 pm
  • Hello all, Would somebody be kind enough to show me how to do a KS test in R for a lognormal distribution with ESTIMATED parameters. The R function ks.test()says "the parameters specified must be ...
    Kwabena Adusei-PokuKwabena Adusei-Poku
    Jan 11, 2005 at 12:01 pm
    Jan 12, 2005 at 5:25 pm
  • I have a matrix that I want to turn into a transformed matrix that includes the indices from the original matrix and the value. The matrix is simply real-valued and is square (and large (8k x 8k)). I ...
    Sean DavisSean Davis
    Jan 11, 2005 at 12:35 pm
    Jan 11, 2005 at 1:59 pm
  • I noticed on the mailing list archives and through Google searches that a couple of months ago there was discussion of maintaining rpms for suse 9.1 on the x86_64 architecture. Are these rpms still ...
    Kristian Eric MarkonKristian Eric Markon
    Jan 8, 2005 at 6:28 pm
    Jan 11, 2005 at 6:43 am
  • Hi, I was wondering if it's possible to have fonts in plots to be autoscaled to the same font size used by LaTeX in a surrounding Sweave document. Here's a short example in which the fonts of the ...
    Patrick DrechslerPatrick Drechsler
    Jan 6, 2005 at 10:56 pm
    Jan 9, 2005 at 3:52 pm
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Liaw, Andy: 92 posts Prof Brian Ripley: 84 posts Uwe Ligges: 72 posts Peter Dalgaard: 58 posts Marc Schwartz: 34 posts Gabor Grothendieck: 33 posts Thomas Lumley: 28 posts Spencer Graves: 26 posts Dan Bolser: 25 posts Dimitris Rizopoulos: 25 posts Mulholland, Tom: 20 posts John Fox: 19 posts Frank E Harrell Jr: 18 posts Anne: 17 posts Berton Gunter: 17 posts Sean Davis: 17 posts Achim Zeileis: 16 posts michael watson (IAH-C): 16 posts Petr Pikal: 16 posts Vito Ricci: 16 posts
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