Grokbase Groups R r-help July 2001
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205 discussions - 616 posts

  • One of our students did something like: x[a < b < c] instead of x[a < b & b < c] But why is 3 < 2 < 1 # [1] TRUE ??? Is there any reason? Or wouldn't it be better to get a warning / error? Uwe Ligges ...
    Uwe LiggesUwe Ligges
    Jul 6, 2001 at 9:35 am
    Jul 7, 2001 at 1:50 pm
  • Dear R users, I am using R Version 1.3.0 (2001-06-22) under Windows 2000 Professional (SP 2). When I try "Packages"- "Update packages from CRAN" the result is something like trying URL ...
    Andrew C. WardAndrew C. Ward
    Jul 31, 2001 at 10:11 pm
    Aug 31, 2001 at 6:26 am
  • I have a question about what is considered good style in R. I have a function which returns several arguments, say [x,y,z]=f(), where sometimes I only care about the first few (so in Matlab, I can ...
    Kevin MurphyKevin Murphy
    Jul 27, 2001 at 9:18 pm
    Jul 29, 2001 at 11:24 pm
  • Hi all, there is a vector v with several NAs. I want to create a new vector n of the same length as v and the same NAs as in v and tried this: n <- vector(length=length(v), mode="numeric") replace(n, ...
    Sven GarbadeSven Garbade
    Jul 26, 2001 at 11:42 am
    Jul 30, 2001 at 10:59 am
  • Hi, All: I try to type some long string in R console, whenever I like to change to a new line, I get error message. The following is my simple code -------------------------------------- h3 <- ...
    Guoqiang WangGuoqiang Wang
    Jul 14, 2001 at 6:08 pm
    Aug 16, 2001 at 6:51 pm
  • Given a matrix m, I would like to obtain a boxplot of the columns of m; in other words, boxplot(list(m[,1],...,m[,ncol(m)])). At the moment, I am using colpart <- function(m){ L <- ...
    Richard DybowskiRichard Dybowski
    Jul 4, 2001 at 3:05 pm
    Jul 6, 2001 at 6:45 pm
  • This posting just illustrates the problem with plot() x<-1:20 y<-c(1:10,301:310) plot(x,y) xrange<-c(1,10) plot(x,y,xlim=xrange) #uses ylim=range(y) This is the default behaviour of plot() and I ...
    Bill SimpsonBill Simpson
    Jul 20, 2001 at 10:38 am
    Jul 27, 2001 at 10:22 am
  • Hello to all Recently I came across a problem. I have to analyze a large survey data - something about 600 columns and 10000 rows (tab-delimited file with names in the header). I was able do import ...
    Micha? BojanowskiMicha? Bojanowski
    Jul 11, 2001 at 2:27 pm
    Jul 27, 2001 at 3:04 am
  • I've seen several posts over the past 2-3 weeks about memory issues. I've tried to carefully follow the suggestions, but remain baffled as to why I can't load data into R. I hope that in revisiting ...
    Micheall TaylorMicheall Taylor
    Jul 24, 2001 at 12:00 pm
    Jul 25, 2001 at 3:00 pm
  • Hi everyone, I am trying to read in a tab delimited data file to R that has outliers marked by blank spaces. I would like to be able to tag those as "NA" when the data is read in. I cannot figure out ...
    Laura ForsbergLaura Forsberg
    Jul 31, 2001 at 8:51 pm
    Mar 13, 2002 at 5:23 pm
  • Dear all After upgrading my OS to SuSE Linux 7.1 (intel) and re-compiling R 1.3.0, I noticed that the arrow keys are not working anymore. Not even emacs-type commands (such as Ctrl-a or Ctrl-e) work ...
    Alberto MurtaAlberto Murta
    Jul 27, 2001 at 2:00 pm
    Jul 28, 2001 at 9:11 pm
  • I'm experiencing segmentation faults from time to time that abruptely end my R sesion. In such cases, is there any way to recover the work done? (i.e., is there any temporal file that I could use?) ...
    Agustin LoboAgustin Lobo
    Jul 24, 2001 at 8:10 am
    Jul 24, 2001 at 12:11 pm
  • Thanks to Andy Liaw, Douglas Bates and Marcel Wolters for spending time on my problem. In summary, there does not seem to be a built in colSums in R as there is in S+ 6.0. However, Doug Bates was ...
    David Kane <David KaneDavid Kane <David Kane
    Jul 19, 2001 at 12:45 pm
    Jul 24, 2001 at 7:21 am
  • Hi, Has someone tried to use mclust package function emclust() to fit a mixture of gaussian model for a relatively large dataset? By "large", I specifically have in mind a data set with 50,000 ...
    Jonathan Qiang LiJonathan Qiang Li
    Jul 31, 2001 at 4:59 pm
    Aug 2, 2001 at 10:53 am
  • I was just playing around with the R-streams package, reading in some data from an old experiment we did here, and was again amazed by the flexibility of the R environment. The eaze with wich I was ...
    Mark M. SpanMark M. Span
    Jul 5, 2001 at 12:22 pm
    Jul 6, 2001 at 8:13 am
  • Hello Thomas, I am writting to you because I have some questions about R-(D)COM. The first one is whether it can compiled using the MINGW C compiler, that is recomended by B. Ripley to compile R ...
    VirgilVirgil
    Jul 3, 2001 at 9:46 am
    Jul 3, 2001 at 2:36 pm
  • Hello, I am looking for a R-package performing G-tests, I looked at the website but did not find any. Does such package exist for R? Thank You in advance. Frederic Archaux Ph-student in Ecology ...
    Archaux fredericArchaux frederic
    Jul 12, 2001 at 11:05 am
    Aug 12, 2001 at 4:41 pm
  • I just ran into this strange behavior. y <- rnorm(1000) x <- seq(0, length=length(y)) plot(x, y, type='l', lty=1) - instantaneous plot(x, y, type='l', lty=2) - 18s plotting lines + 15s plotting axes ...
    ApjaworskiApjaworski
    Jul 24, 2001 at 7:37 pm
    Jul 25, 2001 at 3:29 pm
  • Hello, Can anyone offer any insight on graphing classification dendrograms with the nodes marked? plot(tree()) produces a nice tree structure but there's no acccompanying text. Thanks, D S. David ...
    David WhiteDavid White
    Jul 20, 2001 at 6:38 pm
    Jul 23, 2001 at 8:11 pm
  • Almost at the end of the News for R-1.3.0 is the following section: o New mechanism for explicitly registering native routines in a DLL/shared library accessible via .C(), .Call(), .Fortran() and ...
    Setzer WoodrowSetzer Woodrow
    Jul 19, 2001 at 1:10 pm
    Jul 20, 2001 at 4:43 pm
  • Actually, the whole point of the patch was to get out of this. I want to keep the code as close to what was written by the original author and as simple as possible... -Greg LEGAL NOTICE Unless ...
    Warnes, Gregory RWarnes, Gregory R
    Jul 16, 2001 at 5:01 pm
    Jul 17, 2001 at 12:09 am
  • Hi, all. I'm sure this is a simple question, but I'm having problems figuring it out myself... I have a table: bar foo junk bar 2 2 0 foo 1 0 0 junk 0 0 1 and I'd like to know the result of the cell ...
    Greg TraftonGreg Trafton
    Jul 10, 2001 at 6:36 pm
    Jul 10, 2001 at 9:29 pm
  • Dear all, How do I replace values of a matrix, for exemple I want the matrix 1 24 1 1 1 24 1 1 1 1 1 1 1 45 104 1 1 45 1 92 1 1 104 92 1 to be replaced by 0 24 0 0 0 24 0 0 0 0 0 0 0 45 104 0 0 45 0 ...
    Tord SnallTord Snall
    Jul 2, 2001 at 4:51 pm
    Jul 3, 2001 at 9:07 am
  • Hello again folks, Thanks to all for the advice on getting hold of "grid" and "lattice". I think I'm getting the hang of it. This produces very satisfying arrays of histograms. The typical command I ...
    Ted HardingTed Harding
    Jul 28, 2001 at 3:56 pm
    Jun 27, 2002 at 11:37 am
  • Hi helpteam, may you send me the exact syntax for getting the estimated degrees of freedom for a gam? I tried to do it by name <- edf(gam_name) but this didn't work. Thanks a lot, greetings from ...
    Thomas NittnerThomas Nittner
    Jul 26, 2001 at 8:02 am
    Oct 9, 2001 at 4:24 pm
  • Putting a space between the commas makes no difference when I try it. -- Chris Wild -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read ...
    Chris WildChris Wild
    Jul 30, 2001 at 3:25 am
    Jul 30, 2001 at 11:15 am
  • Windows 2000, R 1.3.0 I have been given a data set (ASCII tab delimited) in which many variables that are supposed to be numeric actually contain characters. I would be happy to have those character ...
    Martin Henry H. StevensMartin Henry H. Stevens
    Jul 27, 2001 at 5:38 pm
    Jul 30, 2001 at 10:23 am
  • Dear Jan, Thank you very much for your excellent description of the problem and the self-contained test code. This is a problem that I've been meaning to either document better or solve for some ...
    FharrellFharrell
    Jul 28, 2001 at 12:56 pm
    Jul 28, 2001 at 8:01 pm
  • Hi all, is it possible that a R function wait for a keystroke (as the demo() function do) and evaluate the pressed key? Thanks, Sven ...
    Sven GarbadeSven Garbade
    Jul 24, 2001 at 1:57 pm
    Jul 25, 2001 at 10:20 am
  • I would like to specify that certain columns in a data frame should be treated as ordered factors. I know what numbers these columns are, but not their names. How do I do this? For example, if I know ...
    Kevin MurphyKevin Murphy
    Jul 17, 2001 at 1:18 am
    Jul 17, 2001 at 10:23 am
  • Hi everyone, I'm translating into R some programs I worked through in Matlab to calculate the angle between two vectors (very large--like 6200 rows in each vector). In Matlab, I used a series of ...
    Evan Zane MacoskoEvan Zane Macosko
    Jul 17, 2001 at 4:40 am
    Jul 17, 2001 at 9:44 am
  • Hi, all. I'm trying to create a plot that has a range of about an hour on the x axis, starting at about 10:15. I have a way I'm currently doing it but it's not working. this is what I want on the x ...
    Greg TraftonGreg Trafton
    Jul 5, 2001 at 6:00 pm
    Jul 15, 2001 at 9:36 am
  • Hi, all. I have a list: process <- c( 5 , 7 , 4 , 1 , 4 , 1) and I'd like to get each half (or each third or each quartile) of the list: process.firsthalf would be (5, 7, 4) and process.secondhalf ...
    Greg TraftonGreg Trafton
    Jul 10, 2001 at 2:44 pm
    Jul 10, 2001 at 3:48 pm
  • Colleagues ---------------------------------- System info: Version 1.3.0 (2001-06-22) on NT ESS v. 5.1.18 using emacs ver. 20.4 ---------------------------------- I have generated an object (class = ...
    S.McClatchieS.McClatchie
    Jul 4, 2001 at 5:15 am
    Jul 4, 2001 at 9:49 am
  • I would like to learn what functions are available in a given R package (say, the pkg sma) and what the arguments and return value is for each of those functions. Is there an R CMD available for that ...
    Natalie HawkinsNatalie Hawkins
    Jul 3, 2001 at 1:49 am
    Jul 3, 2001 at 12:21 pm
  • I thought I would try compiling R this time with the ATLAS libraries. I have compiled ATLAS and I have the following libraries: libatlas.a libf77blas.a libptcblas.a libtstatlas.a libcblas.a ...
    William D. McCoyWilliam D. McCoy
    Jul 30, 2001 at 9:18 pm
    Jul 31, 2001 at 1:58 pm
  • I'm experiencing some confusion with the ellipsis argument (...). In my .Rprofile, I have the following functions: stderr <- function(x, ...) { sqrt( var(x, ...) / length(x) ) } se <- stderr I can ...
    Michael A. MillerMichael A. Miller
    Jul 30, 2001 at 8:01 pm
    Jul 30, 2001 at 9:27 pm
  • Hi again folks, I seem to have got the trellis (lattice + grid) business working basically OK, in that I can get my 5x5 array of histograms laid out as they should be. However, there is a behaviour I ...
    Ted HardingTed Harding
    Jul 29, 2001 at 12:40 pm
    Jul 29, 2001 at 4:34 pm
  • Hello everybody, I am trying to install R on Solaris 2.6. I get the following error Thanks in advance "In file included from /usr/include/sys/turnstile.h:12, from /usr/include/sys/t_lock.h:20, from ...
    Govind VinjamuriGovind Vinjamuri
    Jul 27, 2001 at 2:31 pm
    Jul 27, 2001 at 5:01 pm
  • I saw an ad in the July 2001 Amstat News for a complex sample survey analysis package called Wesvar. The package has what appears to be a useful feature called a "Workbook" by which the user ...
    Frank E Harrell JrFrank E Harrell Jr
    Jul 23, 2001 at 5:43 pm
    Jul 24, 2001 at 10:37 pm
  • Dear r-help list: In the following R session, I seem to be somehow breaking the spectrum() function, but I'm not sure how. Could somebody please point out my mistake? My apologies if it's something ...
    MichaelNielsenMichaelNielsen
    Jul 19, 2001 at 1:13 am
    Jul 23, 2001 at 1:52 pm
  • Dear R-Users, I have the following problem to solve and I wonder if there are means in R that can help me. At irregular time intervals I observe a random walk process, Y, with time-varying drift. I ...
    Vadim OgranovichVadim Ogranovich
    Jul 20, 2001 at 12:56 am
    Jul 20, 2001 at 4:31 pm
  • Dear R users, I would like to write a script to launch R commands from a Unix prompt but I do not have any idea how to do it. Can someone bring me help please? Thanks in advance Denis Choquet ...
    zze-CHOQUET Denis stagiaire FTRD/DMI/SOPzze-CHOQUET Denis stagiaire FTRD/DMI/SOP
    Jul 19, 2001 at 3:05 pm
    Jul 20, 2001 at 1:45 pm
  • I was pleased to find integrate() using the quadpack routines "dqags" and "dqagi". However, I would also like to have the routine "dqawoe" included. This routine is summarized as follows.. ...
    Brandon WhitcherBrandon Whitcher
    Jul 12, 2001 at 4:00 pm
    Jul 16, 2001 at 4:16 pm
  • Dear R-users, I am currently facing what appears to be a strange thing (at least to my humble understanding). If I understood correctly, starting with the version 1.2.3, R memory allocation can be ...
    Laurent GautierLaurent Gautier
    Jul 16, 2001 at 1:55 pm
    Jul 16, 2001 at 3:42 pm
  • Hi there folks I have R 1.3.0 running on Red Hat Linux 7.1 with GhostView 3.5.8. When I produce a file like: and then try to read it with gv, I get an unrecoverable error and nothing displayed. Any ...
    John WilliamsJohn Williams
    Jul 12, 2001 at 4:24 am
    Jul 16, 2001 at 12:04 pm
  • Is this text publicized? I ran across it doing an internet search. I have never seen any reference to it and it is not on CRAN under documentation. http://www.stat.lsa.umich.edu/~faraway/book/ ...
    Magill, BrettMagill, Brett
    Jul 12, 2001 at 4:13 pm
    Jul 13, 2001 at 12:01 pm
  • I've been using the package rpart with R 1.3.0 for Windows to produce simple classification trees for some measurement data from paleontological specimens. Both the rpart documentation and the output ...
    Marc FeldesmanMarc Feldesman
    Jul 12, 2001 at 4:02 pm
    Jul 12, 2001 at 9:04 pm
  • Hi, All. I'd have a set of data in an array: process <- c( 5 , 7 , 4 , 1 , 4 , 1 , 4 , 1 , 4 , 4 , 1 , 5 , 4 , ...) and I'd like to know the number of transitions in this data. I calculate ...
    Greg TraftonGreg Trafton
    Jul 9, 2001 at 7:57 pm
    Jul 9, 2001 at 10:48 pm
  • Hello eve-R-ybody, i'd like to know where i can find some documentation about how calling foreign programs from a R function and use the results obtained. I mean, make an other program compute the ...
    BrunelsBrunels
    Jul 8, 2001 at 6:07 pm
    Jul 8, 2001 at 8:55 pm
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194 users for July 2001

Prof Brian Ripley: 80 posts Peter Dalgaard BSA: 35 posts Thomas Lumley: 31 posts Agustin Lobo: 19 posts Laurent Gautier: 13 posts Jonathan Baron: 11 posts Mark Myatt: 11 posts Martin Maechler: 11 posts Uwe Ligges: 11 posts David Kane <David Kane: 9 posts Frank E Harrell Jr: 9 posts Kevin Murphy: 9 posts Sven Garbade: 8 posts Ted Harding: 8 posts Greg Trafton: 7 posts Bill Simpson: 6 posts Douglas Bates: 6 posts Kurt Hornik: 6 posts David White: 5 posts Duncan Murdoch: 5 posts
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