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480 discussions - 1,531 posts

  • Joe RauschJoe Rausch
    Sep 22, 2004 at 4:51 pm
    Sep 23, 2004 at 7:59 pm
  • Folks: I would like to propose a new R list, tentatively labeled r-contents. I wish to briefly explain the purpose and format here and solicit public comments, pro or con, so feel free to criticize ...
    Berton GunterBerton Gunter
    Sep 9, 2004 at 4:49 pm
    Sep 19, 2004 at 10:49 am
  • This seems like a bug to me. Can someone verify this? First we define a function f that returns its second argument and lapply it to 1:2 using 9 as the second argument and all seems well. Note that ...
    Gabor GrothendieckGabor Grothendieck
    Sep 28, 2004 at 8:02 pm
    Sep 29, 2004 at 4:46 pm
  • Hello, first trials to run R from inside of Emacs repeatedly gives me: ---------------------------------------------------------------- WARNING: terminal is not fully functional - (press RETURN) ...
    Thomas SchönhoffThomas Schönhoff
    Sep 19, 2004 at 12:21 pm
    Sep 20, 2004 at 6:44 am
  • Is there a means to split a vector into its individual elements without going the brute-force route for arguments to a predefined function call? offred.rgb <- c(1, 0, 0) * 0.60; ## Brute force style ...
    Paul RoebuckPaul Roebuck
    Sep 15, 2004 at 8:20 pm
    Sep 16, 2004 at 1:16 am
  • I run R on redhat linux. What would be the easiest way to read dbf files into R? Vikas
    Vikas RawalVikas Rawal
    Sep 28, 2004 at 11:11 am
    Sep 29, 2004 at 12:52 pm
  • Loadings: Comp.1 Comp.2 Comp.3 Comp.4 Composition 0.484 -0.376 0.784 -0.101 Drawing 0.424 0.187 -0.280 -0.841 Colour -0.381 -0.845 -0.211 -0.310 Expression 0.664 -0.330 -0.513 0.432 Comp.1 Comp.2 ...
    Francisco ChamuFrancisco Chamu
    Sep 14, 2004 at 4:06 am
    Sep 16, 2004 at 7:45 am
  • Dear List: I have a question regarding an MDS procedure that I am accustomed to using. I have searched around the archives a bit and the help doc and still need a little assistance. The package ...
    Doran, HaroldDoran, Harold
    Sep 8, 2004 at 12:59 pm
    Sep 9, 2004 at 12:02 pm
  • typeof applied to a factor always seems to return "integer", independently of the type of the levels. This has a strange side effect. When a variable is "imported" into a data frame, its type ...
    Erich NeuwirthErich Neuwirth
    Sep 8, 2004 at 7:52 pm
    Sep 9, 2004 at 6:14 am
  • Hello, I got two sets of data x=(124738, 128233, 85901, 33806, ...) y=(25292, 21877, 45498, 63973, ....) When I did a t test, I got two tail p-value = 0.117, which is not significantly different. If ...
    kan Liukan Liu
    Sep 22, 2004 at 7:52 am
    Sep 23, 2004 at 8:27 am
  • I am trying to save a series of plots as .png files by using png(file="myfile.png",bg="transparent") dev.off() for each image plot I produce. Unfortunately when I have tried this I am unable to open ...
    Laura QuinnLaura Quinn
    Sep 6, 2004 at 9:36 am
    Sep 6, 2004 at 2:59 pm
  • Hi, I have made a GUI in PerlTk and I would use R within perl. I actually try to install RSPerl but I have some problems during the compilation In order to call R from perl I use actually an other ...
    PbrouillyPbrouilly
    Sep 30, 2004 at 8:39 am
    Oct 1, 2004 at 8:38 am
  • I have one problem with finding the appropriate functions in R that would perform this operation: We have X, the independent variable, and Y, the response variable, so that a regression line of these ...
    Наталия ТитоваНаталия Титова
    Sep 17, 2004 at 5:38 pm
    Sep 28, 2004 at 1:56 pm
  • Dear list, If anyone knows how to assign dimnames to matrices or arrays I would be most grateful for help. I've tried various permutations of likely-looking code but get error messages every time. I ...
    Dan BebberDan Bebber
    Sep 27, 2004 at 2:46 pm
    Sep 27, 2004 at 8:28 pm
  • Hy! I would like to know how run a montecarlo simulation with R. Thank you!!!! Francesca Matalucci Accesso Internet Gratis per utenti Excite! Attivalo subito! http://www.excite.it/hitech/accesso Il ...
    Francesca MataFrancesca Mata
    Sep 20, 2004 at 12:30 pm
    Sep 21, 2004 at 5:32 am
  • I am doing this a kinda dumb way, and it is apparetnly taking forever. I have a data frame with two numeric columns. I want to look at their correlation, and I am looking at the size ratio between ...
    Dan BolserDan Bolser
    Sep 16, 2004 at 12:19 pm
    Sep 16, 2004 at 1:23 pm
  • If anyone has a few extra CPU cycles to spare, I'd appreciate it if you could verify a problem that I have encountered. Run the code below and tell me if it crashes your R before completion ...
    Frank SamuelsonFrank Samuelson
    Sep 13, 2004 at 12:40 pm
    Sep 14, 2004 at 11:56 pm
  • Hi everyone, I've tried the below on R 1.9.1 and the 2004-08-30 builds of R 1.9.1 Patched and R 2.0.0 on Windows 2000, and the results are consistent. [1] 7.000000e-01 6.000000e-01 5.000000e-01 ...
    Henric NilssonHenric Nilsson
    Sep 3, 2004 at 11:23 am
    Sep 3, 2004 at 5:17 pm
  • Hi, I was wondering if there is a ready made function or parameter for indicating the sample size in boxplots? Here's what I came up with so far: library(ISwR) data(energy) attach(energy) ...
    Patrick DrechslerPatrick Drechsler
    Sep 29, 2004 at 12:46 pm
    Sep 29, 2004 at 5:47 pm
  • I have a monthly price index series x, the related return series y = diff(log(x)) and a POSIXlt date-time variable dp. I would like to apply annual blocks to compute for example annual block maxima ...
    Kahra HannuKahra Hannu
    Sep 22, 2004 at 3:22 pm
    Sep 27, 2004 at 11:00 am
  • hi. i really need help using this program. computer language is a foreign language to me, and thus, i cannot make heads nor tails of the user manuals from the website. i need to locate step-by-step ...
    Erin L. LeiszErin L. Leisz
    Sep 21, 2004 at 4:10 am
    Sep 21, 2004 at 8:14 pm
  • Dear all Currently, I'm implementing the generalized hyperbolic distribution into Splus. Unfortunately the Bessel function is not implemented in Splus. In R the Bessel function does exist but it is ...
    Beat HugglerBeat Huggler
    Sep 15, 2004 at 8:24 am
    Sep 16, 2004 at 8:25 am
  • HI, I wonder if there is a newsgroup on R available, instead of emaillist which I have to receive mails daily. Cheers. Bin
    Bin JiangBin Jiang
    Sep 2, 2004 at 11:08 am
    Sep 3, 2004 at 10:02 am
  • Hello, i know that i have to use optim, but i'm confused how its possible maximize the sum over all l[i] and get the optimized max(LL), r and alpha? LL <- function(trans,time){ for(i in ...
    Christian SchulzChristian Schulz
    Sep 29, 2004 at 5:11 pm
    Sep 30, 2004 at 9:09 am
  • Is there a simple way to decompose the upper triangle of a correlation matrix to a linear list; For example: X Y Z X 1 2 3 Y 2 1 4 Z 3 4 1 so you get a list like: xy 2 XZ 3 YZ 4 I suspect you can do ...
    Mark StrivensMark Strivens
    Sep 23, 2004 at 6:08 pm
    Sep 23, 2004 at 9:09 pm
  • I have two computers both of which are running Windows XP SP2. R 1.9.1 runs just fine on one but not the other. Both installations of R came from the same installation package. When I click on the ...
    Scott HigginbothamScott Higginbotham
    Sep 21, 2004 at 2:59 pm
    Sep 22, 2004 at 2:36 pm
  • Is there a method to save a large and complex R object (either as a binary or text file) so that it can be loaded and reused at a later time? Specifically, I am creating large lists (several thousand ...
    Richard MottRichard Mott
    Sep 20, 2004 at 11:00 am
    Sep 20, 2004 at 1:53 pm
  • DeaR useRs: I have a list with 500 elements, in each other there are data.frames and I want to take the first row and the first column of each elements of my list since the first to the 500-th ...
    Perez Martin, AgustinPerez Martin, Agustin
    Sep 16, 2004 at 11:33 am
    Sep 16, 2004 at 12:21 pm
  • I know that there must be a cool way of doing this, but I can't think of it. Let's say I have an dataframe with NA's. a b c 1 0 0 NA 2 1 NA 0 3 2 1 1 4 NA 2 2 I know it is easy to replace all the ...
    David KaneDavid Kane
    Sep 15, 2004 at 6:44 pm
    Sep 15, 2004 at 8:20 pm
  • Hello, I saw a little discussion about this in the archives, but it was unclear to me whether someone had submitted a port to R of the Splus bagplot() function. If so, does anyone know where I could ...
    Matthew David SylvesterMatthew David Sylvester
    Sep 13, 2004 at 3:34 pm
    Sep 22, 2005 at 10:07 am
  • Hello: would you please help me with the following glm question? for the R function glm, what I understand is: once you specify the "family", then the link function is fixed. My question is: is it ...
    Shuangge MaShuangge Ma
    Sep 23, 2004 at 4:25 pm
    Oct 4, 2004 at 1:47 pm
  • Sorry for the cross-post. Not sure where the problem is... A while back I posted an R function to R-help: cd <- function (dir = tclvalue(tkchooseDirectory()), saveOld = FALSE, loadNew = TRUE) { ...
    Liaw, AndyLiaw, Andy
    Sep 24, 2004 at 8:02 pm
    Sep 28, 2004 at 12:49 am
  • Hi, this is both a statistical and a R question... what would the best way / test to detect an outlier value among a series of 10 to 30 values ? for instance if we have the following dataset ...
    PhguardiolPhguardiol
    Sep 23, 2004 at 2:22 pm
    Sep 25, 2004 at 3:52 pm
  • I have a function that does some plotting. I then add lines to the plot. If executed one line at a time, there is not a problem. If I execute the function, though, I get: Error in ans[[1]] ...
    Sean DavisSean Davis
    Sep 24, 2004 at 3:48 pm
    Sep 24, 2004 at 6:33 pm
  • Dear R's! I am strugling with cancor procedure in R. I cannot figure out the meaning of xcoef and of yxcoef. Are these: 1. standardized coefficients 2. structural coefficients 3. something else? I ...
    Irena KomprejIrena Komprej
    Sep 11, 2004 at 3:45 am
    Sep 15, 2004 at 8:39 am
  • Following the recommendation of Prof. Ripley, I have created the Makevars file with the line: PKG_LIBS="-L/usr/lib/libm -lm -L/usr/local/lib/libgsl -lgsl -L/usr/local/lib /libgslcblas -lgslcblas" in ...
    Vicky LandsmanVicky Landsman
    Sep 9, 2004 at 5:32 pm
    Sep 10, 2004 at 8:34 am
  • Ok, I have reinstalled R-1.9.0 and this appears to have fixed the problems I was having with png(). However, I have a further question regarding png() Is it possible to pass a par() argument to the ...
    Laura QuinnLaura Quinn
    Sep 7, 2004 at 2:37 pm
    Sep 7, 2004 at 3:03 pm
  • Hi guys. Check this out: [1] NA I thought "+" was commutative by definition. What's going on? platform powerpc-apple-darwin6.8 arch powerpc os darwin6.8 system powerpc, darwin6.8 status major 1 minor ...
    Robin HankinRobin Hankin
    Sep 7, 2004 at 9:17 am
    Sep 7, 2004 at 2:38 pm
  • Dear list, I'm having a problem configuring R-1-9-patched on a Intel Xeon machine running Fedora Core 2. I used svn to checkout the source, altered config.site to add some optimisation flags to match ...
    Gavin SimpsonGavin Simpson
    Sep 6, 2004 at 6:18 pm
    Sep 7, 2004 at 12:31 pm
  • I have been struggling with this problem for a while and I hope someone could help me. Or if someone could point me to a section in the manual I would be grateful. x <- "my" plot(1:10, ...
    Adaikalavan RamasamyAdaikalavan Ramasamy
    Sep 6, 2004 at 2:50 pm
    Sep 6, 2004 at 4:36 pm
  • Dear R helpers, I need to retrieve several vectors of various types from a call to .C(), but I don't know their length in advance. Is there a way to do this without allocating an excessive amount of ...
    S. BlayS. Blay
    Sep 1, 2004 at 9:07 pm
    Sep 3, 2004 at 3:55 pm
  • I am trying to use R. My question is if R can calculate a random effect probit model {e.g. glmm} but including sampling weights. I am desperately looking for a random effect model but wanted to use ...
    Niko SpeybroeckNiko Speybroeck
    Sep 2, 2004 at 8:42 am
    Sep 2, 2004 at 3:54 pm
  • Dear R-helpers, When I use sqlQuery in the package RODBC, I cannot break the line, but have to write the entire SQL Query on the same line. Is this expected behaviour? It is definitely workable, but ...
    Mikkel GrumMikkel Grum
    Sep 1, 2004 at 9:09 am
    Oct 9, 2004 at 7:00 pm
  • What does this warning mean precisely? Is there any reason to care about it? Can I Avoid it by another way of programming? Thank you in advance.
    Mag. Ferri LeberlMag. Ferri Leberl
    Sep 29, 2004 at 1:03 pm
    Sep 30, 2004 at 11:11 am
  • Hello, I'm looking for a fast way to retrieve the position of elements from a vector which match element in another vector. Example va<-c('a','e') vb<-c('a','b','c','d','e','f','e') f(va,vb) should ...
    Marc MaminMarc Mamin
    Sep 29, 2004 at 4:09 pm
    Sep 29, 2004 at 4:44 pm
  • hi all i have a simple question: lets assume that i can enter a variable (a) equal to some value, say 100. obviously a could be any value. i would like to create a plot with a main heading as hi all ...
    Allan clarkAllan clark
    Sep 29, 2004 at 11:58 am
    Sep 29, 2004 at 1:06 pm
  • Dear R experts, Does RMySQL package handle Blob datatype in a MySQL database? Blob can represent an image, a sound or some other large and complex binary objects. In an article published by ...
    Jonathan_liJonathan_li
    Sep 22, 2004 at 1:05 am
    Sep 24, 2004 at 2:05 pm
  • Thanks for the tip using a smoothing technique before plotiing in order to get a curve instead of a line connecting the observations. But that's not the solution for my main problem with the ...
    Wolf, MichaelWolf, Michael
    Sep 24, 2004 at 7:35 am
    Sep 24, 2004 at 9:55 am
  • Hello, How do I import data from Excel onto R? I am using S-Plus Envstat module. I need to use some of the data that already exist in the Envstat and put it into R to make graphs, find basic ...
    Lina1Lina1
    Sep 21, 2004 at 3:40 pm
    Sep 21, 2004 at 4:19 pm
  • I am an economist who decided it's high time that I learned some Bayesian statistics. I am following An Introduction to Modern Bayesian Econometrics by T. Lancaster. The book recommends using BUGS, ...
    Tamas K PappTamas K Papp
    Sep 15, 2004 at 12:19 am
    Sep 16, 2004 at 3:22 pm
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Prof Brian Ripley: 98 posts Gabor Grothendieck: 68 posts Uwe Ligges: 52 posts Liaw, Andy: 51 posts Peter Dalgaard: 35 posts Sean Davis: 29 posts Spencer Graves: 28 posts John Fox: 26 posts Wolski: 22 posts Duncan Murdoch: 21 posts Thomas Lumley: 21 posts Thomas Schönhoff: 20 posts Dimitris Rizopoulos: 19 posts Adaikalavan Ramasamy: 18 posts Martin Maechler: 17 posts Roger D. Peng: 16 posts Berton Gunter: 15 posts Deepayan Sarkar: 15 posts Kevin Wang: 12 posts Kjetil Brinchmann Halvorsen: 12 posts
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