Grokbase Groups R r-help June 2002
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282 discussions - 926 posts

  • Dear All, This is a question to sound out possibilities. I am with the Faculty of Natural and Agricultural Sciences at the University of Western Australia, representing a few of the more ...
    Rohan SadlerRohan Sadler
    Jun 25, 2002 at 9:31 am
    Jul 8, 2002 at 12:45 pm
  • Hi, It is most probably just my R-ignorance, but I have following problem with using predict(). I train the model using 164 cases and then I try to use it on the data set with 35 cases, but I am ...
    Czerminski, RyszardCzerminski, Ryszard
    Jun 20, 2002 at 7:18 pm
    Jun 28, 2002 at 6:58 pm
  • Doctor in veterinary medecine I have a degree in veterinary epidemiology I would ask if someone can perform Monte Carlo simulation with R. Thanks in advance. Dr Kane Ismaila i_kane at hotmail.com ...
    Ngde65tNgde65t
    Jun 5, 2002 at 11:59 pm
    Jun 8, 2002 at 2:38 am
  • I have a function "eval.delta" which does what I want but isn't very elegant. I have consulted the R documents, MASS, and S Programming. Is there a practical way to optimize the code? Thank you very ...
    Peter B. MandevillePeter B. Mandeville
    Jun 24, 2002 at 5:11 pm
    Jun 25, 2002 at 2:26 pm
  • I am analyzing a weighted, stratified, clustered survey data set with approximately 1 million observations and 50 variables. I am new to R (I'm a Stata user), and so far couldn't find any ...
    RpietroRpietro
    Jun 27, 2002 at 1:04 pm
    Jun 28, 2002 at 9:46 pm
  • Hello everyone, Thanks to all who offered suggestions after my initial query to the list. I've been busy trying to absorb the docs as fast as possible, but this little thing has me stumped for the ...
    Tim WilsonTim Wilson
    Jun 30, 2002 at 4:47 am
    Jun 30, 2002 at 10:52 pm
  • A few days ago, I sent a question to the r-help list enquiring about the *** LEGALITY *** of porting a function from Splus into R. As a particular example, I referred to error.bar. Several people ...
    Rolf TurnerRolf Turner
    Jun 20, 2002 at 1:27 pm
    Jun 20, 2002 at 6:32 pm
  • Hi there, I was tryting to use "Rcmd SHLIB --help" on Windows RGui. However it always gives me sytax error message. I wonder whether you have any suggestion. Thanks in advance! Best, Yunda ...
    Yunda HuangYunda Huang
    Jun 12, 2002 at 6:19 am
    Jun 14, 2002 at 1:00 pm
  • Hello, This is perhaps more of a regression question than R, but I am learning both, so would appreciate your wisdom here. I have some data which reflects power load for an electrical generating ...
    Johanus DagiusJohanus Dagius
    Jun 21, 2002 at 7:13 pm
    Jun 26, 2002 at 7:57 pm
  • Hi All, I have checked everything I could find abot graphics, but still cannot solve the problem. Are there any ways to make a graph that plots two lines and two different y-axes, each of them has a ...
    Gregor GawronGregor Gawron
    Jun 11, 2002 at 10:40 am
    Jun 18, 2002 at 9:50 pm
  • Peter, anyone, I would like to see SUSE 8.0 RPMs. Will these be forthcoming at asome stage? el In message <x2n0tu6rev.fsf at blueberry.kubism.ku.dk , Peter Dalgaard BSA writes ...
    Eberhard LisseEberhard Lisse
    Jun 17, 2002 at 3:08 pm
    Jun 18, 2002 at 5:50 am
  • I have written an R function that writes output to an external file using the sink function. I assume that `sink' is not operating system dependent. At the end of the function I have additional code ...
    Niels WallerNiels Waller
    Jun 14, 2002 at 1:05 am
    Jun 14, 2002 at 7:49 pm
  • Hi List, is sth. like the following possible: legend(x,y,c("A","B","C"), lty=list(1,"42","11")) ? Or: is there a possibility to define a solid line using the "string" mode for lty? Thanks Marcus -- ...
    Marcus EgerMarcus Eger
    Jun 5, 2002 at 10:06 am
    Jun 7, 2002 at 7:49 am
  • Hello, I am having a problem with the get.hist.quote command (tseries library) in the Windows version. This problem is not happening is the Linux version (Mandrake 8.2). Attached is the error ...
    Carlos OrtegaCarlos Ortega
    Jun 6, 2002 at 2:36 pm
    Jun 7, 2002 at 7:38 am
  • Any ideas on this? nujoma:~ R R : Copyright 2002, The R Development Core Team Version 1.5.0 (2002-04-29) ... Error: couldn't find function ".Alias" Error: couldn't find function "attach" [Previously ...
    Andrew PerrinAndrew Perrin
    Jun 27, 2002 at 12:23 am
    Jun 27, 2002 at 3:44 pm
  • Dear list, how can I exclude the missing values in the following example: tapply(lsk0t50$Pox2, lsk0t50$ProfN, sum) I tried: tapply(lsk0t50$Pox2, lsk0t50$ProfN, sum, Fun=is.na(lsk0t50$Pox2)) But it ...
    Ulrich LeopoldUlrich Leopold
    Jun 27, 2002 at 6:56 am
    Jun 27, 2002 at 10:18 am
  • These are probably very basic questions, but I don't know how one reads output such as this: [hrapgc at biomat1 R-1.5.1]$ make check make[1]: Entering directory `/home/hrapgc/local/R-1.5.1/tests' ...
    Patrick ConnollyPatrick Connolly
    Jun 26, 2002 at 2:29 am
    Jun 27, 2002 at 6:57 am
  • Dear all, the default plotting method for hclust trees looks just fine for few objects like in the example dataset. But when it comes to many objects (some 1000 - I'm trying to visualize clustered ...
    Michael DondrupMichael Dondrup
    Jun 15, 2002 at 9:11 pm
    Jun 19, 2002 at 3:25 pm
  • Hello R-users, I need to create a vector inserting an 1 after each value of another vector. For example: vec1<-c(2,3,4) I need to create a vector with the values 2,1,3,1,4 Does anyone know how create ...
    Juan Ramon GonzalezJuan Ramon Gonzalez
    Jun 18, 2002 at 8:30 am
    Jun 18, 2002 at 9:24 pm
  • Dear All, I am being told that R can process text files and strings as well as Perl (and is certainly more elegant). Being an R neophyte I need a little boost to get started. I have a little ...
    John DayJohn Day
    Jun 11, 2002 at 3:13 pm
    Jun 12, 2002 at 7:04 pm
  • R-helpers! na.omit() can be used to remove rows with NA's but how can I remove columns ? and remember, which columns have been removed ? I guess I can do t(na.omit(t(o))) as shown below, but this ...
    Czerminski, RyszardCzerminski, Ryszard
    Jun 20, 2002 at 11:58 am
    Jun 20, 2002 at 3:20 pm
  • I am having trouble with the library function of R Version 1.5.0 for Mac OS X Carbon when I try to load libraries that did not come with the R installation. For example, I put the Biobase library ...
    David R. BickelDavid R. Bickel
    Jun 10, 2002 at 9:47 pm
    Jun 17, 2002 at 8:20 pm
  • dear helplist, my student has fifty trees, numbered one to fifty, and a vector recording which tree a certain possum slept in on 12 nights. R c [1] 3 14 17 22 26 26 17 40 43 25 46 46 R Thus it slept ...
    Robin HankinRobin Hankin
    Jun 12, 2002 at 2:08 am
    Jun 14, 2002 at 12:31 pm
  • Hi, Using the functions in the tcltk library (R1.5.0 Windows, tcltk v1.5.0), does anyone know a simple way to create a list box with a scroll bar? I'm stuck on what to supply to the -xscrollcommand ...
    Jess MarJess Mar
    Jun 9, 2002 at 6:22 am
    Jun 11, 2002 at 4:40 pm
  • Hi, have anybody experience or do something in R with PHP togehter (...and MySQL as DB) ? It would be nice for a exchange of ideas ! Thanks for advance & regards, christian ...
    Christian SchulzChristian Schulz
    Jun 6, 2002 at 3:12 pm
    Jun 7, 2002 at 3:41 pm
  • Several people have posted very good thoughts on the issue of making R more "student friendly." My personal summary of these and what's needed, perhaps not just for students, is as follows ...
    Frank E Harrell JrFrank E Harrell Jr
    Jun 28, 2002 at 1:54 pm
    Jun 28, 2002 at 7:58 pm
  • Hi everyone, I have written a class with methods that extend generic functions such as as.data.frame or show. When I load this package, I want to ensure that these methods - along with the other ...
    Yi, DerekYi, Derek
    Jun 25, 2002 at 1:37 pm
    Jun 25, 2002 at 5:15 pm
  • Hi, a couple of simple graphics questions: 1. I have a little function that makes bar plots. Now I would like to limit the Y-axis outside this function (that means after calling the barplot() ...
    Alexander SchneeAlexander Schnee
    Jun 24, 2002 at 1:33 pm
    Jun 25, 2002 at 9:58 am
  • Ive created a postscript files that looks just like I want it to look except instead of being 6'' x 6'' i want it to be 2''x 2''. i used the postscipt() function (R 1.5.1 on redhat). if i use width ...
    Rafael A. IrizarryRafael A. Irizarry
    Jun 20, 2002 at 2:30 pm
    Jun 20, 2002 at 6:01 pm
  • Is there a FUNCTION_RETURNING_ALL_ARGS() which would enable to define functions with different default values? f1 <- function( x=1, y=1, ... ) paste( 'x =', x, 'y =', y ) f2 <- function( x=2, y=2, ...
    Wolfram FischerWolfram Fischer
    Jun 20, 2002 at 7:09 am
    Jun 20, 2002 at 2:16 pm
  • Dear all, I need to stack the columns of a matrix with a variable number of columns. I am aware of new<-c(a[,1],a[,2]) if I have a matrix 'a' with e.g. two columns. For a simulation study I need to ...
    Dr. Peter SchlattmannDr. Peter Schlattmann
    Jun 12, 2002 at 1:36 pm
    Jun 12, 2002 at 3:47 pm
  • Hi to all R/S gurus, I am developping a library to export R/S objects to HTML (there was developments of this library past year, by myself and Mathieu Ros, but we never finished it). For that, I ...
    Eric LecoutreEric Lecoutre
    Jun 10, 2002 at 12:23 pm
    Jun 11, 2002 at 8:09 pm
  • Hi, I'm using plot.lda (R1.4.0 on linux) and, if dimen 2, I get the error: Error in text.default(x, y, txt, cex = cex, font = font) : X11 font at size 16 could not be loaded The traceback indicates ...
    Agustin LoboAgustin Lobo
    Jun 4, 2002 at 12:08 pm
    Jun 5, 2002 at 10:10 am
  • I've got a data frame that looks like this: subject foo bar 2 1.7 3.2 2 2.3 4.1 3 7.6 2.3 3 7.1 3.3 3 7.3 2.3 3 7.4 1.3 5 6.2 6.1 5 3.4 6.9 ... That is, I've got multiple rows per subject. I need to ...
    Russell SeniorRussell Senior
    Jun 5, 2002 at 1:00 am
    Jun 5, 2002 at 8:19 am
  • After installing http://www.stats.ox.ac.uk/pub/bdr/RWin/Rpre/SetupRpatched.exe on a Win95 machine, save.image() produces the error: Error in save.image(name) : image could not be renamed and is left ...
    Agustin LoboAgustin Lobo
    Jun 3, 2002 at 5:15 pm
    Jun 4, 2002 at 7:50 am
  • Hi everyone, I'm taking a course in statistics as part of my doctoral program in education at the U. of Minnesota, USA. I found R via Rpy, a python module that makes it possible to use R from python ...
    Tim WilsonTim Wilson
    Jun 28, 2002 at 4:12 am
    Jun 28, 2002 at 6:57 pm
  • Hello again, First I want to thank all the people who answered my question about line width in graphs. I promise I will learn the 'par' help page by heart for the end of the month ! I now want to ...
    Yves BrostauxYves Brostaux
    Jun 19, 2002 at 7:04 am
    Jun 28, 2002 at 7:25 am
  • Hello together i want to execute different commands that are saved in strings (eg: "d <- 4+7" and some more complicated things). How can i execute/evaluate them. I know i could save them to a ...
    Joerg MaederJoerg Maeder
    Jun 26, 2002 at 9:06 am
    Jun 26, 2002 at 10:57 am
  • Hi, I have a new (for me) situation. I have a function for one linear model: y = 9.7909-0.035*x I have the variance of system var = 13.01403 Is possible to create a random vector points of Y ...
    Ronaldo Reis Jr.Ronaldo Reis Jr.
    Jun 21, 2002 at 4:48 pm
    Jun 21, 2002 at 9:04 pm
  • Hi to all, First of all, I prefer to tell that I am a R-newbie, so I apologize if this is a silly question (I have tried looking in the manuals, but without luck). I have two variables, y and z, that ...
    Juan CuervoJuan Cuervo
    Jun 17, 2002 at 1:16 pm
    Jun 18, 2002 at 12:27 pm
  • Hi, to get the residuals and coefficients I did the following: kurse <- read.table("kurse.txt" header=T) the data: index bmw mru rwe vow kar sie bas 1 159,70 74,18 338,21 89,03 110,30 141,23 178,53 ...
    Frithjof WeinertFrithjof Weinert
    Jun 16, 2002 at 10:36 pm
    Jun 17, 2002 at 7:23 am
  • Hello, I'm having trouble installing R from the binary to my red hat 7.1 box. There are 2 rpm files on the web site: R-base-1.5.0-1.i386.rpm R-recommended-1.5.0-1.i386.rpm When I did: error: failed ...
    Ka Yee YeungKa Yee Yeung
    Jun 13, 2002 at 4:59 pm
    Jun 15, 2002 at 9:44 am
  • I am trying to make R-1.5.0 from source on a new G4 system with the apple developer tools and X11 installed and with ATLAS. Running ./configure appears to end normally, but running make yields: gcc ...
    Roger KoenkerRoger Koenker
    Jun 13, 2002 at 6:58 pm
    Jun 14, 2002 at 6:54 pm
  • Hello everyone, this is a very simple question but I could not find the answer. :-( Is there any function in R for calculating the rank of a matrix? (In the sense of the dimension of the vectorial ...
    Manuel Castejón LimasManuel Castejón Limas
    Jun 7, 2002 at 7:30 am
    Jun 13, 2002 at 11:50 am
  • Is there any way that R can be programmed so that it will cycle through all files in a directory without having to define file names? The reason I ask is because I will have about 50-100 files in a ...
    MATT BORKOWSKIMATT BORKOWSKI
    Jun 12, 2002 at 4:29 pm
    Jun 12, 2002 at 5:41 pm
  • Hello all, Is there a function to convert data stored as a .xml file to a data frame in R? Thank you in advance Antonio -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- ...
    Antonio PachecoAntonio Pacheco
    Jun 10, 2002 at 7:13 pm
    Jun 11, 2002 at 4:55 pm
  • Hello, I have been using RODBC on Windows with version 1.41 of R successfully, connecting to a mysql database using MyODBC. Now I would like to do so with R under Debian/GNU Linux. I just tried ...
    Johannes RankeJohannes Ranke
    Jun 6, 2002 at 12:54 pm
    Jun 6, 2002 at 5:14 pm
  • I think this is a bug; at least this behavior is not documented in plot or plot.default. plot.default resets xaxp, and leaves xaxp reset when it exits: par(xaxp=c(0,1,4)) print(par("xaxp")) ...
    Setzer WoodrowSetzer Woodrow
    Jun 4, 2002 at 7:22 pm
    Jun 5, 2002 at 3:54 pm
  • Hello, In S-Plus for windows there is a possibility to work with 'scripts' (at least from version 4.5). Is there an equivalent 'function' in R or is there a simular way to work in R Sincerely Fredrik ...
    Fredrik LundgrenFredrik Lundgren
    Jun 29, 2002 at 7:43 am
    Jul 1, 2002 at 2:30 pm
  • Hello. I'd like to produce a simple pairs-like plot with two data frames - but not a traditional scatter-plot matrix - just multiple bivariate plots of data.frame1[i] vs data.frame2[i] ... In other ...
    Rob LeeRob Lee
    Jun 27, 2002 at 3:08 pm
    Jun 28, 2002 at 12:12 am
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