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680 discussions - 2,118 posts

  • Dear All I have just installed the package Ryacas, but getting the following: [1] "Starting Yacas!" Error in socketConnection(host = "127.0.0.1", port = 9734, server = FALSE, : unable to open ...
    Paul SmithPaul Smith
    Nov 19, 2006 at 1:06 am
    Nov 25, 2006 at 1:43 pm
  • Hello, new to the list, first message. This question perhaps might be more appropriate to R-sig-teaching, and I'd be happy to take it there if this is not the right place for it. I am teaching ...
    Charilaos SkiadasCharilaos Skiadas
    Nov 8, 2006 at 8:55 pm
    Nov 10, 2006 at 7:51 pm
  • Hi to all, I have some problems to get the times-scale to the x-axis the times are coming from an excel sheet f. e [1] "0:01:00" "0:02:00" "0:03:00" "0:04:00" "0:05:00" "0:06:00" "0:07:00" [8] ...
    Carmen MeierCarmen Meier
    Nov 8, 2006 at 11:29 am
    Nov 10, 2006 at 5:01 pm
  • Dear R users, I need to save a graph in jpeg format. After plotting the graph, when the graphics window is active, in the File menu, the Save as / Jpeg / 100% quality correctly saves the graph in ...
    Paulo BarataPaulo Barata
    Nov 22, 2006 at 12:29 am
    May 9, 2007 at 4:54 am
  • Hi How do I make do.call() take "+" as a function for a list of more than two elements? Toy problem follows: f <- function(i){matrix((1:6)^i,2,3)} # Thus f() returns a matrix of size 2x3; I want to ...
    Robin HankinRobin Hankin
    Nov 17, 2006 at 9:24 am
    Nov 20, 2006 at 1:59 pm
  • Hi, I have a densityplot like this: x = c(rnorm(100,1,2),rnorm(100,2,4),rnorm(100,3,6)) f = sample(c("A","B","C","D","E"),300,replace=TRUE) df=data.frame(x,f) library(lattice) attach(df) ...
    Albert VilellaAlbert Vilella
    Nov 29, 2006 at 5:11 pm
    Feb 15, 2007 at 10:28 am
  • Hello, I am interested in using the capscale function of vegan package of R. I already have a dissimilarity matrix and I am intended to use it as 'distance' argument. But then, I don't know what kind ...
    Alicia AmadozAlicia Amadoz
    Nov 16, 2006 at 4:25 pm
    Nov 27, 2006 at 3:11 pm
  • Dear R users, Please excuse my inexperience. I am trying to contrain the coefficients of my linear regression to equal one when using the <-lm(...) command. I've searched "help(glm)" ...
    John GaussJohn Gauss
    Nov 1, 2006 at 12:04 am
    Nov 18, 2006 at 7:09 pm
  • I have index ( of a vector ) values of say tempin<-c(1 31 61 91 121 all the way upto 1411) What I want is a function that takes in a number say, x = 5, and gives me an new vector of tempout<-1 6 31 ...
    Leeds, Mark (IED)Leeds, Mark (IED)
    Nov 12, 2006 at 10:20 pm
    Nov 14, 2006 at 11:08 pm
  • Greetings, I'm learning R and I'm stuck on a basic concept: how to specify a logical condition once and then perform multiple transformations under that condition. The program below is simplified to ...
    Muenchen, Robert A (Bob)Muenchen, Robert A (Bob)
    Nov 25, 2006 at 1:27 am
    Nov 25, 2006 at 7:45 pm
  • Hi R users Having both a faster CPU and more memory will boost computing power. I was wondering if only adding more memory (1GB - 2GB) will significantly reduce R computation time? Taka, Get FREE ...
    Taka MatzmotoTaka Matzmoto
    Nov 6, 2006 at 4:25 pm
    Nov 9, 2006 at 7:34 am
  • I've recently updated to R 2.4 and have noticed that when I type ?help.on.something in ESS from within emacs, the old text help doesn't show up in the "other" (other being the horizontally split ...
    Jeff D. HamannJeff D. Hamann
    Nov 1, 2006 at 11:33 pm
    Nov 3, 2006 at 8:46 pm
  • I'm having that problem where I am sometimes using an object that's from a previous workspace when I don't want to be doing that. I was thinking of putting rm(objects=ls()) in my first.R function ...
    Leeds, Mark (IED)Leeds, Mark (IED)
    Nov 27, 2006 at 11:29 pm
    Nov 29, 2006 at 2:49 am
  • Dear R users, I am writing to you because I have a few question on how to fix the error term variances in lme in the hope that you could help me. To my knowledge, the closest possibility is to fix ...
    Virgilio Gómez-RubioVirgilio Gómez-Rubio
    Nov 21, 2006 at 6:00 pm
    Nov 26, 2006 at 7:35 pm
  • I encountered a segfault running glm() and wonder if it could have something to do with the way memory is handled in a dual core system (which I just set up). I'm running R-base-2.4.0-1, installed ...
    Barnet WagmanBarnet Wagman
    Nov 12, 2006 at 8:05 pm
    Nov 13, 2006 at 5:20 am
  • David KaplanDavid Kaplan
    Nov 29, 2006 at 4:04 am
    Dec 1, 2006 at 10:34 am
  • Hi I have a vector x of length n. I am interested in x[1] being different from the other observations (ie x[-1]). My null hypothesis is that x[1] is drawn from a Gaussian distribution of the same ...
    Robin HankinRobin Hankin
    Nov 23, 2006 at 1:11 pm
    Nov 24, 2006 at 9:28 am
  • I have a dataset like this: p aa index x y z sdx sdy sdz delta as ms cur sc 1 821p MET 1 -5.09688 32.8830 -5.857620 1.478200 1.73998 0.825778 13.7883 126.91 92.37 -0.1320180 111.0990 2 821p THR 2 ...
    Aimin YanAimin Yan
    Nov 20, 2006 at 8:24 pm
    Nov 21, 2006 at 10:45 pm
  • Hi, I'm fitting a standard nonlinear model to the luminances measured from the red, green and blue guns of a TV display, using nls. The call is: dd.nls <- nls(Lum ~ Blev + beta[Gun] * GL^gamm, data = ...
    Ken KnoblauchKen Knoblauch
    Nov 18, 2006 at 2:36 am
    Nov 19, 2006 at 11:07 pm
  • I am having a problem with a gantt chart since moving to R2.4.0. from 2.3.1 I made some adaptations to the code from http://addictedtor.free.fr/graphiques/RGraphGallery.php?grapht and successful ...
    John KaneJohn Kane
    Nov 16, 2006 at 3:59 pm
    Nov 18, 2006 at 7:40 pm
  • !urgent! Hi all. I am facing a problem plotting a indicatormatrix to visualize the pattern. Matrix consist from 1 and 0. for example x <- matrix(c(0,0,1,0, 1,1,1,1, 0,0,0,1, 1,0,1,1), nrow = 4, ...
    DownunderDownunder
    Nov 10, 2006 at 12:09 am
    Feb 19, 2007 at 4:54 pm
  • Hi, In a function, I compute 10 (un-named) vectors of reasonable length (4471 in the particular example I have to hand) that I want to combine into a data frame object, that the function will ...
    Gavin SimpsonGavin Simpson
    Nov 30, 2006 at 5:00 pm
    Dec 1, 2006 at 12:06 pm
  • Hello! I have a data set with 8 columns and in about 5000 rows. What I want to do is to generate samples of this data set. Samples of a special size, as example 200. What is the easiest way to do ...
    Alexander GeislerAlexander Geisler
    Nov 26, 2006 at 12:02 pm
    Nov 28, 2006 at 1:26 am
  • Hi, How do you get the most common row from a matrix? If I have a matrix like this array(1:3,dim=c(4,5)) [,1] [,2] [,3] [,4] [,5] [1,] 1 2 3 1 2 [2,] 2 3 1 2 3 [3,] 3 1 2 3 1 [4,] 1 2 3 1 2 in which ...
    KoneKone
    Nov 19, 2006 at 7:31 pm
    Nov 21, 2006 at 10:23 am
  • This, for example: v <- c(9.6996, 99.99) formatC(v, digits=3, format="g") shows: " 9.7" " 100" This is scientifically incorrect for the first number in the sense that I like to show all 3 significant ...
    RMan54RMan54
    Nov 17, 2006 at 10:14 pm
    Nov 21, 2006 at 2:40 am
  • Hello I have 2 rows in a matrix and I want to calculate the Gower Distance between the 2 , how can I do it? I searched and found nothing that can help me, and my program doesn't know the gdist ...
    Roy SpitzRoy Spitz
    Nov 17, 2006 at 12:50 pm
    Nov 20, 2006 at 4:38 pm
  • Hi: I have encountered problems with imodwt and universal.thresh.modwt and cannot find any reference in R Search. Hope someone can give me some ideas: Starting with modwt.la8 <- modwt(xdata, "la8", ...
    Airon YiuAiron Yiu
    Nov 12, 2006 at 8:02 am
    Nov 16, 2006 at 8:54 pm
  • Dear all R user, Please forgive me if my problem is too simple. Actually my problem is basically Statistical rather directly R related. Suppose I have return series ret with mean zero. And I want to ...
    Megh DalMegh Dal
    Nov 7, 2006 at 7:23 am
    Nov 10, 2006 at 11:04 pm
  • There has recently been some discussion on the list about AD Model builder and the suitability of R for constructing the types of models used in fisheries management ...
    Dave fournierDave fournier
    Nov 24, 2006 at 9:06 pm
    Nov 26, 2006 at 11:41 pm
  • hello, I would like to create the following barplot: I have 4 different data sets (same length + stddev for each data point) data1 sd1 data2 sd2 data3 sd3 data4 sd4 now, I'd like to plot in the ...
    AntjeAntje
    Nov 24, 2006 at 9:06 am
    Nov 24, 2006 at 3:53 pm
  • Dear All I am trying to convert from the type "expression" to the type "numeric". The following works: [1] 6.2 However, the following does not work: [1] NA Warning message: NAs introduced by coercion ...
    Paul SmithPaul Smith
    Nov 23, 2006 at 4:54 pm
    Nov 23, 2006 at 6:08 pm
  • I found out the other day that crossprod() will take a single matrix argument; crossprod(x) notionally returns crossprod(x,x). The two forms do not return identical matrices: x <- ...
    Robin HankinRobin Hankin
    Nov 21, 2006 at 10:23 am
    Nov 21, 2006 at 3:24 pm
  • Hi all, Does anyone know what happened to the dna library or the dotmatrix function? For the life of me, I can't find it anywhere with the exception of this reference ...
    Jeffrey Robert SpiesJeffrey Robert Spies
    Nov 15, 2006 at 3:25 pm
    Nov 19, 2006 at 1:07 pm
  • Hi R-Experts, I'm currently using R 2.4.0 in Windows XP. I'm trying to download data from Bloomberg using the package "RBloomberg", but it fails to install the three needed packages "zoo", "chron" ...
    Shubha KaranthShubha Karanth
    Nov 16, 2006 at 1:35 pm
    Nov 16, 2006 at 10:38 pm
  • I am trying to create a plot title in R with substitution by a numeric variable (Figure number N) within the text which is bold and has a subcripted part as well. Here is what I have: title <- ...
    RMan54RMan54
    Nov 14, 2006 at 7:26 pm
    Nov 15, 2006 at 4:30 pm
  • Do any of you know any simple programming editors for R scripts which offer basic colour-coding and bracket-matching facilities? Dregging through scripts to find a missing comma or parentheses is ...
    Jon MintonJon Minton
    Nov 6, 2006 at 9:11 am
    Nov 7, 2006 at 8:41 am
  • Hello, Sorry to all for the lack of communication, and thanks to those with the suggestions. So I have two matrixes which are different sizes, same column number but different row number. What I ...
    H. Paul BentonH. Paul Benton
    Nov 29, 2006 at 10:08 pm
    Nov 30, 2006 at 3:29 am
  • Dear list, I am having troubles increasing the fontize when plotting a variogram{gstat} and its model (vgm) with plot and using jpeg(). Also the resolution in the jpeg call does not work. I am using ...
    Alexander HerrAlexander Herr
    Nov 24, 2006 at 1:48 am
    Nov 28, 2006 at 8:24 am
  • I wish to use R CMD BATCH to run a small R function which reads a text file and plots a single graph to a PDF file. platform x86_64-unknown-linux-gnu arch x86_64 os linux-gnu system x86_64, linux-gnu ...
    Patrick ConnollyPatrick Connolly
    Nov 23, 2006 at 9:21 am
    Nov 24, 2006 at 10:56 am
  • Dear R-help community I am trying to write an R object (data.out) to a file in order to re-access it later and not have to re-load up the array with data every time. Here is the form of data.out ...
    Jenny BarnesJenny Barnes
    Nov 23, 2006 at 1:35 pm
    Nov 24, 2006 at 4:52 am
  • The concrete problem is that I am refereeing a paper where a confidence interval is presented for the risk ratio and I do not find it credible. I show below my attempts to do this in R. The example ...
    Michael DeweyMichael Dewey
    Nov 10, 2006 at 2:43 pm
    Nov 22, 2006 at 4:31 pm
  • Hi All, I noticed the following: pip = array(1:6, dim = c(3,2)) dim(pip) [1] 3 2 pup = pip[1,] dim(pup) NULL I bet there is a *good* reason why one row of an array is *dimensionless*, but it's highly ...
    Federico CalboliFederico Calboli
    Nov 21, 2006 at 12:20 pm
    Nov 21, 2006 at 2:40 pm
  • Dear R-help community, My main goal of this message is to find a way of skipping a file of a month/year in a loop that does not exist (and making it's output into an data.out array would be NA) and ...
    Jenny BarnesJenny Barnes
    Nov 20, 2006 at 1:03 pm
    Nov 20, 2006 at 2:40 pm
  • Dear all, I have three concerns: 1) I am running models with the lme4 package. I cannot find a way to pull out a vector of the fitted values and the residuals. Does anybody know how to do it? 2) How ...
    Frank JohannesFrank Johannes
    Nov 16, 2006 at 11:37 am
    Nov 18, 2006 at 4:35 am
  • Hi, I am sure this has come up before, but my searches of the archive didn't give any results (maybe I didn't use the right keywords, but if I use too many, the search times out). I have a vector of ...
    Tamas K PappTamas K Papp
    Nov 15, 2006 at 7:16 pm
    Nov 17, 2006 at 2:16 pm
  • Hi all, I am faced with the situation where I want to store/analyze relatively large, organized sets of numerical data, which depend on a number of conditions (biological properties, exposure times, ...
    Piet van RemortelPiet van Remortel
    Nov 9, 2006 at 4:53 pm
    Nov 16, 2006 at 8:43 pm
  • I'm very new to R, so please forgive me if I just missed the answer in existing documentation... I have a data set with at least three columns, X, Y, and Z. I want to produce a chart where one axis ...
    Christian ConveyChristian Convey
    Nov 15, 2006 at 1:30 pm
    Nov 15, 2006 at 8:55 pm
  • A couple days ago, Mark Leeds asked about a solution that would basically stagger two lists, a and b, to return a list in the form of a[1], b[1], a[2], b[2], a[3].... In particular, the summary of ...
    Jeffrey Robert SpiesJeffrey Robert Spies
    Nov 14, 2006 at 9:58 pm
    Nov 15, 2006 at 4:15 pm
  • does anyone know how to put a column name on a zoo object. I think achim and gabor are off line or they have gotten totally tired of me an decided to ignore me ( which is totalyy understandable ) ...
    Leeds, Mark (IED)Leeds, Mark (IED)
    Nov 14, 2006 at 9:21 pm
    Nov 14, 2006 at 11:57 pm
  • Hello, I am an italian student, who is trying to use R 2.3.1 with Ubuntu 6.10 (last version). When I try to use the plot command, I get the error: "could not find any X11 fonts Check that the Font ...
    Bagatti DavideBagatti Davide
    Nov 10, 2006 at 3:22 pm
    Nov 12, 2006 at 2:29 am
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