Grokbase Groups R r-help October 2005

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597 discussions - 1,814 posts

  • Hi, I need further help with my GAMs. Most models I test are very obviously non-linear. Yet, to be on the safe side, I report the significance of the smooth (default output of mgcv's summary.gam) and ...
    Denis ChabotDenis Chabot
    Oct 5, 2005 at 1:21 pm
    Oct 24, 2005 at 1:41 pm
  • Hi, How can I execute some scripts from within R. I have a large data file which I process (for instance with gawk, but not only) before performing some statistics. I would like to do this in R, so ...
    Marco GrazziMarco Grazzi
    Oct 13, 2005 at 9:14 pm
    Oct 14, 2005 at 5:17 pm
  • Hi, can you tel me how can I make a Forrest Plot with R? It is possible and easy or are there a more practical free software available? Than you Mic
    Michela BallardiniMichela Ballardini
    Oct 19, 2005 at 10:09 am
    Oct 21, 2005 at 10:13 am
  • Colleagues, I have created a list in the following manner: TEST <- list(c("A1", "A2"), c("B1", "B2"), c("C1", "C2")) I now want to delete one element from the list, e.g., the third. The command ...
    Dennis FisherDennis Fisher
    Oct 18, 2005 at 2:11 pm
    Oct 21, 2005 at 12:55 pm
  • Hi R-users: Yesterday I ran a R code for 9 hours and it did not show any sign to stop. Then I interrupted it and found it had completed 82.5%. This morning I decided to wait for another 11 hours to ...
    Oct 18, 2005 at 8:50 am
    Oct 18, 2005 at 7:45 pm
  • Within an R dataset, I have a date field called �date_�. (The dates are in the format �YYYY-MM-DD�, e.g. �1995-12-01�.) How can I add or subtract �1 month� from this date, to get �1996-01-01� or � ...
    T cT c
    Oct 11, 2005 at 11:26 pm
    Oct 12, 2005 at 6:27 pm
  • I have read and reread the boxplot and the boxplot stats page, and I still cannot understand how and what boxplot shows. I realize that this might be due to me not knowing enough statistics, but ...
    Karin LagesenKarin Lagesen
    Oct 4, 2005 at 9:24 am
    Oct 7, 2005 at 7:11 pm
  • A student in one of my courses has asked me about getting R graphics output (under Linux) into a Word document. I.e. she wants to do her R thing under Linux, but then do her word processing using ...
    Rolf TurnerRolf Turner
    Oct 3, 2005 at 7:31 pm
    Oct 4, 2005 at 5:42 pm
  • I'm using R 2.2.0 on an up-to-date version of Fedora Core 4 with the latest version of Hmisc. When I run an example from the latex function I get the following: c d enLine 2 a 1 3 5 b 2 4 6 sh: line ...
    Rick BilonickRick Bilonick
    Oct 11, 2005 at 2:01 pm
    Dec 16, 2005 at 1:56 pm
  • Hello All, While trying to install Matrix package following error message came out: /usr/bin/ld: cannot find -lblas-3 collect2: ld returned 1 exit status make: *** [] Error 1 ERROR ...
    Jari HaukkaJari Haukka
    Oct 4, 2005 at 9:55 am
    Oct 26, 2005 at 6:28 pm
  • Hi, This is a newbie question. I have been using glm to perform some logistic regression. However, if I take the fitted parameters (as part of the glm object) and pass them on the glm.predict ...
    Rohit SinghRohit Singh
    Oct 31, 2005 at 10:52 pm
    Nov 1, 2005 at 10:03 pm
  • [1] "AIR " "ABCB " "ABXA " "ACMR " "ADCT " "ADEX " [7] "ABM " "AFCE " "AG " "ATG " Can anyone please tell me how to strip the white spaces from a$tic? Thanks, Roger
    Roger bosRoger bos
    Oct 25, 2005 at 12:51 pm
    Oct 25, 2005 at 2:42 pm
  • Hi I have a loop which is doing time consuming calculations and I would like to be able to have some feedback on where it is in it's calculations. I tried to simply show the counter variable in the ...
    Rainer M. KrugRainer M. Krug
    Oct 10, 2005 at 8:56 am
    Oct 10, 2005 at 10:48 am
  • Hi, I have a 7000x7000 matrix, and each element is an integer. For each element, I want to apply the function : wt <- 0 for(q in 1:count){ wt <- wt + 0.5^(q-1) } I get the value of 'count' from the ...
    Tim SmithTim Smith
    Oct 7, 2005 at 6:48 pm
    Oct 7, 2005 at 9:05 pm
  • At the risk of being beaten about the face and body, can somebody explain why the middle example: log2(2^3); floor(log2(2^3)) is different than examples 1 and 3? [1] 2 [1] 2 [1] 3 [1] 2 [1] 4 [1] 4 ...
    Dr CarbonDr Carbon
    Oct 31, 2005 at 5:03 pm
    Nov 8, 2005 at 7:54 pm
  • I have not had a great amount of success installing/updating packages from the "Packages" menu of Rgui under Windows XL. (Except for installing from loacal zip files.) But I am not asking for help in ...
    Murray JorgensenMurray Jorgensen
    Oct 31, 2005 at 12:38 am
    Oct 31, 2005 at 6:55 pm
  • Dear R users, I have a dataframe with one character field, and I would like to create two new fields (columns) in my dataset, by spliting the existing character field into two using an existing ...
    Oct 28, 2005 at 1:31 pm
    Oct 29, 2005 at 2:30 pm
  • If I have an n1 x n1 x 2 array X I can calculate, say, X[,,1]/X[,,2]. If it is a 4 dimensional array then I want to be able to calculate X[,,,1]/X[,,,2], and similarly for higher dimensions. How can ...
    Mike MeyerMike Meyer
    Oct 27, 2005 at 9:49 pm
    Oct 28, 2005 at 9:51 am
  • Hi, all I am trying to write a R package. I was able to build and install the package with no problem. However, I got this error when I try to load the library by calling library("btRRTest") ...
    Jiesheng zhangJiesheng zhang
    Oct 15, 2005 at 3:29 pm
    Oct 16, 2005 at 2:13 pm
  • Hi R-users, In a plot, can I specify pch to be a greek symbol? (I looked at show.pch() in the Hmisc package but couldn't see the right symbols in there). If not, I guess I can get around this using ...
    FISCHER, MatthewFISCHER, Matthew
    Oct 10, 2005 at 2:02 am
    Oct 12, 2005 at 3:12 pm
  • Hi, I was playing with Mandelbrot sets and come up with the following code, I thought I would share: library(fields) # for tim.colors library(caTools) # for write.gif m = 400 # grid size C = complex( ...
    Tuszynski, Jaroslaw W.Tuszynski, Jaroslaw W.
    Oct 4, 2005 at 7:04 pm
    Oct 6, 2005 at 12:39 pm
  • Hello Listers, I am trying to sample a vector to create a new one of sample length, witha sum equal to the sum of the initial vector: initial = 10, 30, 10 (sumP) sample example = 5, 35, 10 (sumP) or ...
    Eric PanteEric Pante
    Oct 3, 2005 at 9:31 pm
    Oct 5, 2005 at 2:13 am
  • I built R 2.2.0 from source on my debian machine yesterday and updated all packages. My problem is that "dates" function from its, that my code heavely uses is now masked by "dates" from chron. How ...
    Omar LakkisOmar Lakkis
    Oct 27, 2005 at 3:47 pm
    Oct 28, 2005 at 6:38 am
  • Hi, I wonder if there is interest/intention to allow for encrypted .RData files? One can certainly do that outside R manually but that will leave a decrypted RData file somewhere which one has to ...
    Na LiNa Li
    Oct 27, 2005 at 5:34 pm
    Oct 27, 2005 at 10:22 pm
  • Hi Does anyone know where is the package: npmc (Nonparametric Multiple Comparisons). I found the reference on R Site Search, but not the package itself on CRAN as suggested. Thanks Mauricio
    Carlos Mauricio Cardeal MendesCarlos Mauricio Cardeal Mendes
    Oct 19, 2005 at 1:26 pm
    Oct 22, 2005 at 9:52 am
  • Dear all, I have been trying to find a function to calculate the Breslow-Day test for homogeneity of the odds ratio in R. I know the test can be preformed in SAS but i was wondering if anyone could ...
    MJ Price, Social MedicineMJ Price, Social Medicine
    Oct 18, 2005 at 1:27 pm
    Oct 18, 2005 at 11:00 pm
  • I need to extract identically named columns from several data frames in a list. the column name is a variable (i.e. not known in advance). the whole thing occurs within a function body. I'd like to ...
    Joerg van den hoffJoerg van den hoff
    Oct 10, 2005 at 3:47 pm
    Oct 11, 2005 at 2:36 pm
  • Dear all, I try for long to understand exactly what is the factor type and especially how it works, but it seems too difficult for me.... I read paragraphs about it, and I understand quite well what ...
    Florence CombesFlorence Combes
    Oct 6, 2005 at 1:14 pm
    Oct 7, 2005 at 7:33 am
  • Does anyone know whether R has its own modeling language for optimization problems (like SIMPLE in NuOPT for S-plus)? Paolo
    Paolo CavatorePaolo Cavatore
    Oct 2, 2005 at 9:25 am
    Oct 6, 2005 at 12:34 pm
  • Dear all, This is a rather lengthy message, but I don't know what I made wrong in my real example since the simple code works. I have two variables a, b and a function f for which I would like to ...
    Rau, RolandRau, Roland
    Oct 27, 2005 at 4:32 pm
    Nov 2, 2005 at 6:55 pm
  • I wish to obtain the right-most n characters of a character string? What is the appropriate function? ---------------------------------
    T cT c
    Oct 31, 2005 at 3:37 pm
    Oct 31, 2005 at 4:24 pm
  • I have defined a function to compute the value of a beta distribution of the second kind (the existing beta distribution of th stats package is the beta distribution of the first kind). It works ...
    Florent BressonFlorent Bresson
    Oct 31, 2005 at 1:47 pm
    Oct 31, 2005 at 4:10 pm
  • Dear R-Users, how to include error bars within lattice? How should the panel = function(x,y,...){ looks like? Does panel.arrows works here as well? I appreciate any help on this. Regards, Mario AT
    Mario Aigner-TorresMario Aigner-Torres
    Oct 19, 2005 at 9:34 pm
    Oct 27, 2005 at 5:37 pm
  • Does anyone know how I can set up R so that when I make a graphic, the graphics window remains behind the console window? It's annoying to have to reach for the mouse every time I want to type ...
    Oct 25, 2005 at 5:55 pm
    Oct 25, 2005 at 7:16 pm
  • Does anyone have an idea of how one might plot male and female symbols on a graph using R? Thanks! .................................................................. George W. Gilchrist Email #1 ...
    George W. GilchristGeorge W. Gilchrist
    Oct 22, 2005 at 2:05 pm
    Oct 24, 2005 at 7:07 pm
  • Hi, I'm trying to read data from a PDF file.Is it possible to do it with R? Thanks, Marco
    Marco VenanziMarco Venanzi
    Oct 21, 2005 at 6:13 pm
    Oct 22, 2005 at 11:12 pm
  • Hi I have a matrix "u", for which diag() gives an error: u <- structure(c(5.42334674128216, -2.31319389204264, -5.83059042218476, -1.64112369640695, -2.31319389212801, 3.22737617646609, ...
    Robin HankinRobin Hankin
    Oct 19, 2005 at 2:55 pm
    Oct 22, 2005 at 5:37 pm
  • Hi there, From the vector X of integers, X = c(11999, 122000, 81997) I would like to make these two vectors: Z= c(1999, 2000, 1997) Y =c(1 , 12 , 8) That is, each entry of vector Z receives the four ...
    Dimitri SzermanDimitri Szerman
    Oct 20, 2005 at 7:40 pm
    Oct 20, 2005 at 10:23 pm
  • Hi, I'm using a Mac, I've downloaded R (base), and I'm trying to download the package R Commander. I thought I had already done this (both from the web and from within R) but it doesn't seem to be ...
    Cormac LawlerCormac Lawler
    Oct 18, 2005 at 6:46 pm
    Oct 19, 2005 at 5:18 pm
  • hello everybody i'm very new at using R so probably this is a very stupid question. I have a problem calculating a p-value. When i do this with excel i can use the method CHIDIST for 1.2654 with 1 ...
    Richard mendesRichard mendes
    Oct 18, 2005 at 3:13 pm
    Oct 18, 2005 at 3:35 pm
  • I would like to install the latest version of R (the statistical computing software). This is package r-base version 2.2.0 and is in the debian 'unstable' repository. Otherwise my system has 'sarge' ...
    Dan DavisonDan Davison
    Oct 12, 2005 at 9:04 pm
    Oct 14, 2005 at 3:04 am
  • I have observed the following behavior, wondering if it is a bug before I submit a report. I am using the plot function with call: plot(X, Y, col="red", . . . ) where X is an object that inherits ...
    Parlamis FranklinParlamis Franklin
    Oct 12, 2005 at 2:07 am
    Oct 12, 2005 at 12:31 pm
  • Dear list, we are a statistical/epidemiological departement that - after a few years of rapid growth - finally is getting around to formulate a general data storage and retention policy - mainly to ...
    Alexander PlonerAlexander Ploner
    Oct 11, 2005 at 8:04 am
    Oct 11, 2005 at 8:42 pm
  • All, Is there are a wildcard in R for varible names as in unix? For example, rm(results*) to remove all variable or function names that begin w/ "results"? cheers, Dave ps - please respond directly ...
    Afshartous, DavidAfshartous, David
    Oct 10, 2005 at 2:37 pm
    Oct 10, 2005 at 3:08 pm
  • Does anyone know how -log(x) can equal 743 but -log(x+0)=Inf? That's what the following stream of calculations suggest: Browse[2] -log ( 1e-323+yMat2 - yMat1 * logitShape(matrix(parsList$Xs, nrow = ...
    Peter MuhlbergerPeter Muhlberger
    Oct 7, 2005 at 4:49 pm
    Oct 10, 2005 at 1:30 am
  • Hi - I was wondering if anyone came across a problem such as mine! I was trying to create a user-defined function, however, the results from calling the function are unexpected! When passing X ...
    Nawaf bNawaf b
    Oct 8, 2005 at 1:15 pm
    Oct 9, 2005 at 5:49 am
  • Hi all, I am trying to compare two distance matrices with R. I would like to create a XY plot of these matrices and do some linear regression on it. But, I am a bit new to R, so i have a few ...
    Mattias de HollanderMattias de Hollander
    Oct 6, 2005 at 10:23 am
    Oct 7, 2005 at 7:56 am
  • Hello all I am playing with R for to make a animated GIF. any suggestions, improvements are welcome :-) case somebody could help me, i thanks! Cleber N. Borges ( klebyn ) my objective: (steps TODO) ...
    Oct 6, 2005 at 12:05 am
    Oct 6, 2005 at 4:08 pm
  • Hi all I am a complete newbie to this list (just subscribed) and a newcomer to R (an S user from olden times). I have been using scatter3d to create a 3d scatter plot with surface. The graphic is ...
    Prof. Paul R. FisherProf. Paul R. Fisher
    Oct 5, 2005 at 1:31 pm
    Oct 5, 2005 at 6:12 pm
  • If I run the following example from: lists 'at' but not the 'labels'. yet if I do this then the labels are listed: [1] "major" "ticks" "labels" ...
    Gabor GrothendieckGabor Grothendieck
    Oct 3, 2005 at 5:37 am
    Oct 5, 2005 at 1:50 am
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Prof Brian Ripley: 112 posts Marc Schwartz (via MN): 71 posts Gabor Grothendieck: 57 posts Uwe Ligges: 43 posts Peter Dalgaard: 40 posts Duncan Murdoch: 33 posts Berton Gunter: 30 posts Spencer Graves: 29 posts John Fox: 22 posts Thomas Lumley: 22 posts Vincent: 21 posts Ronggui: 20 posts Martin Maechler: 18 posts Sundar Dorai-Raj: 18 posts Roger Bivand: 17 posts Romain Francois: 17 posts Dimitris Rizopoulos: 15 posts Tuszynski, Jaroslaw W.: 15 posts Martin Henry H. Stevens: 14 posts Sam R. Smith: 14 posts
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