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281 discussions - 886 posts

  • Hi! I've been able to configure and make R (1,4,0 linux) except for the gnome support. I've checked all packages and libs mentioned in R-admin.pdf (and by Luke Tierny) to make sure that I have them ...
    Agustin LoboAgustin Lobo
    Jan 24, 2002 at 11:04 am
    Feb 4, 2002 at 7:09 pm
  • To whom it may concern, I try to simulate a non-normal multivariate distribution. The MASS package allows by mean of "mvrnorm" command to perform a multivariate normal simulation. Is there an ...
    Bernard ColinBernard Colin
    Jan 23, 2002 at 7:03 pm
    Jan 24, 2002 at 3:54 pm
  • (Many thanks to David Barron & Jonathan Baron for pointing me to 'recode' in the 'car' package). I think I've been told this before, but how do I search for a function/keyword in libraries I don't ...
    Dr Stuart LeaskDr Stuart Leask
    Jan 8, 2002 at 8:49 am
    Jan 18, 2002 at 3:09 pm
  • Sam Rushing's Python extension 'calldll' will supposedly give me access to any DLL, and presumably R.DLL in particular, from Python. I have no experience manipulating DLLs as yet. I am learning ...
    Farrar DavidFarrar David
    Jan 23, 2002 at 10:14 pm
    Jan 24, 2002 at 5:05 pm
  • Can someone explain to me in what way the new (dpqr)gamma parameter can be interpreted as a rate (when shape != 1)? The only gamma rate that I am aware of is the hazard rate given by ...
    Jim LindseyJim Lindsey
    Jan 11, 2002 at 1:00 pm
    Jan 14, 2002 at 9:28 am
  • Dear there, R is pretty flexible and powerful. I wonder whether there are any GUI programs to do basic statistic work by just clicking menu and selecting procedure. Thank you for your time. Yiling ...
    Cheng, YilingCheng, Yiling
    Jan 30, 2002 at 10:10 pm
    Feb 5, 2002 at 9:42 am
  • Hi All, As a part of our regular data analysis, I have to read in large data sets with six columns and about a million rows. In Splus, this usually take a couple of minutes. I just tried R, it seems ...
    Wei, xiaoyanWei, xiaoyan
    Jan 15, 2002 at 7:32 pm
    Jan 18, 2002 at 1:57 pm
  • Dear People, I am trying to use R's Math library as standalone, as documented in /src/nmath/standalone. I am using C++ in Debian testing, and the versions are as follows: ii g++-3.0 3.0.3-1 The GNU ...
    Faheem MithaFaheem Mitha
    Jan 14, 2002 at 9:43 pm
    Jan 15, 2002 at 5:22 pm
  • I'm teaching a class and using R for the first time. We're talking about the bootstrap, and I've been trying to get R to replicate some simple bootstrap programs with no success. I'd like to be able ...
    Rob Gould (local)Rob Gould (local)
    Jan 25, 2002 at 6:48 pm
    Jan 31, 2002 at 4:43 pm
  • Hello: I sent this question the other day with the wrong subject heading and couple typos, with no response. So, here I go again, having made those corrections. I would like to estimate, for lack of ...
    Michael RobertsMichael Roberts
    Jan 28, 2002 at 2:34 pm
    Jan 30, 2002 at 8:07 pm
  • Any rpart user: I am trying to construct an rpart tree using a subset of the data and it will occasionally fail when predicting a categorical response variable. The reason that rpart fails is that ...
    Davies, BobDavies, Bob
    Jan 2, 2002 at 10:23 pm
    Jan 24, 2002 at 8:10 am
  • Hi, The function Repmat under S allows to represent a matrix of data. Is there an equivalent function under R ? thanks for your reply Bruno ...
    Bruno CutayarBruno Cutayar
    Jan 3, 2002 at 4:02 pm
    Jan 4, 2002 at 4:14 pm
  • Is there a way of removing all rows with missing values from a data frame? I usually use subset(x, var1!="NA") and repeat for each variable. It would be nice to be able to do it in one fell swoop ...
    Grum, MikkelGrum, Mikkel
    Jan 8, 2002 at 11:09 am
    Jan 8, 2002 at 5:02 pm
  • Dear R Experts, Is there a way in R to add an error bar (say in the y direction) for each data point? Thanks Ming Chow -- ...
    Mingliz2Mingliz2
    Jan 25, 2002 at 1:21 am
    Jan 30, 2002 at 11:39 pm
  • Dear People, I have been writing a simulation routine that is currently entirely written in c++. I've been using the R standalone math library to give me random number generation for this. However, I ...
    Faheem MithaFaheem Mitha
    Jan 24, 2002 at 10:39 pm
    Jan 29, 2002 at 5:59 pm
  • Hi, Besides the problem with gnome, I have now a compiled version of R-1.4.0 that has the same functionality than what I had from an rpm installation, except that the arrow keys (so useful to recover ...
    Agustin LoboAgustin Lobo
    Jan 24, 2002 at 12:39 pm
    Jan 24, 2002 at 4:52 pm
  • Dear all, I try to rearrange my ref. database (now in Excel!! :( ) for importing it into a reference manager program (RIS format). My file basically look like this [3,4]-matrix: rbind(c("a", "b", ...
    Tord SnallTord Snall
    Jan 4, 2002 at 1:32 pm
    Jan 5, 2002 at 9:49 pm
  • Dear all, Has anyone written functions to compute (and ideally project / plot onto a plane) confidence ellipsoids for q linear model parameters, q 2 ? Greetings and best wishes, Renaud -- Dr Renaud ...
    Renaud LancelotRenaud Lancelot
    Jan 1, 2002 at 10:51 pm
    Jan 4, 2002 at 9:56 pm
  • Greetings- I have a strange problem displaying a graph from R (1.3.1, linux) in a LaTeX document of documentclass seminar. I'm using graphicx to include the file: \usepackage{graphicx} .. ...
    Andrew PerrinAndrew Perrin
    Jan 27, 2002 at 4:29 pm
    Jan 27, 2002 at 6:49 pm
  • I would like to test the hypothesis that the difference between pairs, for several variables, is zero. This is easily done separately for each variable with: lm(Y ~ rep(0, nrow(Y))) where Y is a ...
    Stewart SchultzStewart Schultz
    Jan 23, 2002 at 6:40 pm
    Jan 24, 2002 at 4:39 pm
  • Dear R users I searched some sources but i did not find an answer.Please give me some hint to following problem. I would like to compute a summary statistic for some vector for different factor ...
    Petr PikalPetr Pikal
    Jan 24, 2002 at 6:56 am
    Jan 24, 2002 at 4:34 pm
  • Dear R-ers I've recently upgraded to R-1.4 but I have noticed that it is slower to load datasets than R-1.3.1: R-1.3.1: [1] 40.86 0.51 54.10 0.00 0.00 R-1.4.0: [1] 293.24 30.76 478.35 0.00 0.00 The ...
    Robin HankinRobin Hankin
    Jan 17, 2002 at 12:15 am
    Jan 18, 2002 at 12:29 pm
  • I've just pulled my R installations up to 1.4.0, and am having trouble with some of my dyn.load'd C code: R frequently segfaults after .C calls into the (newly rebuilt) libraries. It hasn't happened ...
    Mark WhiteMark White
    Jan 14, 2002 at 10:17 pm
    Jan 16, 2002 at 12:45 pm
  • I am new to R. So, please bear with me if this questions is already been asked and answered. I am looking for a R function that fit a dataset to common distributions such as Normla, Log-Normal, ...
    Tharacad RamanarayananTharacad Ramanarayanan
    Jan 9, 2002 at 9:43 pm
    Jan 10, 2002 at 5:33 pm
  • Hello, Is there a package that implements the Cochrane-Orcutt itterative procedure for dealing with autocorrelation in a regression model? Thanks, John. -- ========================================== ...
    John JanmaatJohn Janmaat
    Jan 9, 2002 at 7:49 pm
    Jan 10, 2002 at 4:55 pm
  • I decided to try out Xemacs instead of Emacs in Linux (RH 7.2). After doing lots of configuration of Xemacs, I finally discovered a major problem. With Emacs, when I use R, I start Emacs twice (at ...
    Jonathan BaronJonathan Baron
    Jan 7, 2002 at 5:16 pm
    Jan 8, 2002 at 3:49 pm
  • I am not sure if this is already known. I checked BUGS and found some references to similar behavior when R_HOME is set? Here is what I get: (1) Fresh build of 1.4.1 under Linux/RH-7.2. All tests ...
    ApjaworskiApjaworski
    Jan 30, 2002 at 9:19 pm
    Jan 31, 2002 at 8:02 am
  • I'm trying to duplicate some graphs from powerpoint in R package. One of things I'm having trouble with is I don't understand how to use the points command to create different sets of points with ...
    Collin CarbnoCollin Carbno
    Jan 30, 2002 at 1:20 am
    Jan 30, 2002 at 3:13 pm
  • Hello! Can I use DBM databases (as they are used in Perl) for the import of large datasets in R? Thanks in advance for your help, Petra Steiner - --------------------------------------------------- ...
    Petra SteinerPetra Steiner
    Jan 27, 2002 at 11:36 am
    Jan 28, 2002 at 4:32 pm
  • First let me confess that I am a R-novice. I am trying to fit a beta distribution for a dataset using fitdistr(MASS). I am having difficulties with it because the function tends to fit a distribution ...
    Tharacad RamanarayananTharacad Ramanarayanan
    Jan 22, 2002 at 10:17 pm
    Jan 23, 2002 at 8:21 pm
  • I am moving my first steps in writing and compiling C code and calling it from R. (I am also new to shared libraries...) My problem is that my C code uses a C function contained in another library ...
    Giovanni PetrisGiovanni Petris
    Jan 18, 2002 at 8:36 pm
    Jan 18, 2002 at 10:47 pm
  • Hello, I am building a package to read in a pretty common atmospheric data format and create a SKEW-T, log p diagram (also very common for the atmospheric community). The problem is this: How should ...
    Tim HoarTim Hoar
    Jan 9, 2002 at 10:55 pm
    Jan 10, 2002 at 10:02 pm
  • Hi there, I'm trying to get the manual for an R package (that I'm creating) to work... Firstly, I created the *.Rd files (by following the instructions in "Writing R Extensions" and using prompt() in ...
    Ko-Kang Kevin WangKo-Kang Kevin Wang
    Jan 9, 2002 at 10:25 pm
    Jan 10, 2002 at 9:18 pm
  • Greetings, I hope this isn't obvious but I've read through the FAQ and the various other R/S books I have and I cannot, for the life of me, figure out how to sort a data frame by a specific ...
    Patrick E. McKnightPatrick E. McKnight
    Jan 4, 2002 at 6:52 pm
    Jan 5, 2002 at 12:57 am
  • Hi together, I have some data in a matrix structure - say 1000 rows with 10 columns. And I like to do some calculations (like max, avg or min) on row level. The only solution I found so fare was ...
    Arndt, Ulrich, VF-VPArndt, Ulrich, VF-VP
    Jan 28, 2002 at 3:06 pm
    Jan 30, 2002 at 4:11 pm
  • I am trying to reproduce an analysis done in SAS from which Type III Sums of squares are used. How can you get Type III sums of squares in an aov similar to what SAS provides? With best wishes and ...
    Moffet, CoreyMoffet, Corey
    Jan 28, 2002 at 3:50 pm
    Jan 28, 2002 at 10:30 pm
  • I would like to know if someone has done work on trees with multivariate response. I need something like rpart but for vector responses. If someone has code that he/she is willing to share, I would ...
    F. TusellF. Tusell
    Jan 28, 2002 at 10:11 am
    Jan 28, 2002 at 1:06 pm
  • When loading a package with library(APkg) or require(APkg) I would like to make sure that (1) the correct version of [R] is installed. If not an informative error message should be given. I would ...
    Henrik BengtssonHenrik Bengtsson
    Jan 24, 2002 at 11:52 pm
    Jan 25, 2002 at 1:43 pm
  • I'm the happy user of a new machine and I'm trying to compile R-1.4.0 on it (linux Suse 7.3 box). After ./configure --with-gnome I get the following configuration: R is now configured for ...
    Agustin LoboAgustin Lobo
    Jan 22, 2002 at 5:16 pm
    Jan 22, 2002 at 6:22 pm
  • I have the following (simple!?) problem which I am unable to find a relatively trivial solution to. If I have a dataframe, A 1 A 7 B 4 B 5 C 3 D 3 D 2 E 5 F 5 F 6 I would like to create a new ...
    Gary CollinsGary Collins
    Jan 22, 2002 at 1:29 pm
    Jan 22, 2002 at 4:58 pm
  • Hello All, Just wondering if anyone may have a quick fix to our dilemma here. I work for a company called HGS (Human Genome Sciences), we are in the pharmaceutical business. Everything we do has to ...
    Leslie_BranchLeslie_Branch
    Jan 16, 2002 at 7:15 pm
    Jan 22, 2002 at 9:22 am
  • Hi, If I want to build R-patched from source (on Windows), do I need to edit Makefile and/or MkRules at all? I have followed all instructions in the INSTALL file (under R-patched/src/gnuwin32/), as ...
    Ko-Kang Kevin WangKo-Kang Kevin Wang
    Jan 19, 2002 at 5:19 am
    Jan 20, 2002 at 8:10 am
  • Dear List, I have been experimenting with building packages from sources, having previously relied upon the binaries. I downloaded and installed all the tools suggested in ...
    Gavin SimpsonGavin Simpson
    Jan 17, 2002 at 4:55 pm
    Jan 17, 2002 at 5:51 pm
  • hi is there a faster way to do this? i <- 1 for(x in vector1) for(y in vector2) { m[[i]] <- (x - y) i <- i + 1 } regards soren ...
    Søren MerserSøren Merser
    Jan 16, 2002 at 8:20 pm
    Jan 16, 2002 at 10:38 pm
  • I'd like to get summary statistics (really just a mean would be fine) for a vector in a data frame, but split based on the value of another vector. That is, I have a data frame (hcd.df) with ...
    Andrew PerrinAndrew Perrin
    Jan 10, 2002 at 4:43 am
    Jan 10, 2002 at 7:49 pm
  • Is there a function/package that will allow you to test the hypothesis beta1 = x in a simple linear regression, where x is a constant? The AOV tests if beta1 in different from 0 but what if I want to ...
    Moffet, CoreyMoffet, Corey
    Jan 10, 2002 at 1:46 pm
    Jan 10, 2002 at 5:31 pm
  • I'm having problems copying and saving lattice graphs using R-1.4.0 under Win2k. It seems I've see this alluded to recently in R-help. If I do the following example: And then try to copy or save the ...
    Thomas StocktonThomas Stockton
    Jan 9, 2002 at 5:14 pm
    Jan 9, 2002 at 9:14 pm
  • Hi all, I don't understand the following output. I've created a data subset from a data frame by [1] p1ab p1ab p1ab p1ab p1ab p1br p1br p1br p1br p1br p1kf p1kf p1kf p1kf p1kf [16] p1mg p1mg p1mg ...
    Sven GarbadeSven Garbade
    Jan 9, 2002 at 10:59 am
    Jan 9, 2002 at 3:38 pm
  • All, I am an Splus user trying to use R for a specific project where the client needs the programs to be run in R. Before the holidays, I figured out how to run an R file from the dos command ...
    Hartley, Stacey AHartley, Stacey A
    Jan 2, 2002 at 8:36 pm
    Jan 7, 2002 at 5:27 pm
  • Hi, I am still new to R and have a programming question. I have created a small function which takes a parameter. In the function I want to be able to refer to the names of the variables sent to the ...
    David WhitingDavid Whiting
    Jan 6, 2002 at 2:55 pm
    Jan 7, 2002 at 1:48 pm
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Prof Brian Ripley: 128 posts Peter Dalgaard BSA: 44 posts Thomas Lumley: 35 posts Agustin Lobo: 25 posts Uwe Ligges: 23 posts Warnes, Gregory R: 13 posts A.J. Rossini: 12 posts Sven Garbade: 12 posts John Fox: 11 posts Jonathan Baron: 11 posts Andrew Perrin: 10 posts Liaw, Andy: 10 posts Martin Maechler: 10 posts Ben Bolker: 9 posts Dirk Eddelbuettel: 9 posts Jim Lindsey: 9 posts Giovanni Petris: 8 posts Henrik Bengtsson: 8 posts Hzi: 8 posts David Meyer: 7 posts
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