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146 discussions - 509 posts

  • Dear all, I am interested by the various messages sent to the r-help mailing list these last few days about documentation on R. Yet, there are a lot of issues actually open on this topic, and it is ...
    Emmanuel ParadisEmmanuel Paradis
    May 2, 2000 at 4:06 pm
    May 12, 2000 at 4:56 pm
  • Dear R people, Thanks to everyone who replied to my questions about environments and lexical scoping. It was very helpful. I am still working on understanding this. My phone line has been dead for ...
    Faheem MithaFaheem Mitha
    May 20, 2000 at 5:08 pm
    Nov 24, 2000 at 12:46 am
  • As Bill Venables has kindly pointed out, I was a bit sloppy in the above: phi here refers to the appropriate overdispersion parameter in the distribution chosed, negative binomial, beta-binomial, ...
    Jim LindseyJim Lindsey
    May 9, 2000 at 3:12 pm
    May 10, 2000 at 1:41 pm
  • Dear R-people Sorry for asking a question only indirectly related to S/R but since data containing NA values can so easily be handled in S/R, and you can write functions for S/R in C, my question ...
    CstratoCstrato
    May 28, 2000 at 4:19 pm
    May 29, 2000 at 8:31 pm
  • Is there a function to do interaction plots in R? I know in Splus I can simply use interaction.plot() Thanks. -- ----------------------------------------------------------------------------------- ...
    Ko-Kang WangKo-Kang Wang
    May 9, 2000 at 9:09 am
    May 24, 2000 at 3:59 pm
  • I have similar problems with R 1.0.1 on RH6.2 (pre-compiled rpm binaries). Some of the old packages ceased to work and when I tried to re-install them through `R INSTALL package.tar.gz', some just ...
    Jari OksanenJari Oksanen
    May 25, 2000 at 9:39 am
    May 27, 2000 at 5:51 am
  • Hi All! I wish to use R for MANOVA analysis. Where could I get info on that?
    Mandar oakMandar oak
    May 8, 2000 at 11:25 pm
    May 11, 2000 at 1:47 pm
  • I know hese sorts of questions should be addressed directly to the author of the extensions, but since I'm in a bit of a rush, I thought I'd fire this out to the group at large. Furthermore, one of ...
    Matthew NortonMatthew Norton
    May 29, 2000 at 5:02 pm
    May 30, 2000 at 10:25 am
  • Hi there, Two simple questions: 1) How do I comment out several lines in R? Do I need to type # in the beginning of each line? 2) I have got a few lines of codes that draws sin, cos and tan ...
    Ko-Kang WangKo-Kang Wang
    May 30, 2000 at 8:40 pm
    May 31, 2000 at 5:35 pm
  • I am running R 1.0.1, ESS 5.0 and GNU Emacs 20.4.1 under SuSe Linux 6.3, but I cannot get ESS to start R. I have tried mailing a bug report from within ESS but have received no reply after a week ...
    John WilliamsJohn Williams
    May 14, 2000 at 4:05 pm
    May 15, 2000 at 10:18 am
  • Hello, I want to fit some non linear models with the Levenberg-Marquardt algorithm. It doesn't seem to exist any function to do this in R ( well, maybe one does, but I'm a new user, and the only ...
    Marjorie BourgoinMarjorie Bourgoin
    May 15, 2000 at 9:33 am
    Jun 21, 2000 at 3:56 pm
  • howdy R friends, Can anyone help me with converting a 'unix' date (seconds since 1970) into something readable? There doesn't seem to be anything in the 'date' package and the prospect of calculating ...
    Strumila, JohnStrumila, John
    May 22, 2000 at 1:50 am
    May 23, 2000 at 5:11 pm
  • Dear R people, I have a mysterious problem I have been tearing my hair over for some time. I have a function that looks as follows: covexp <- function(point,pair,theta,a,b) { pointnum <- ...
    Faheem MithaFaheem Mitha
    May 6, 2000 at 11:37 pm
    May 7, 2000 at 3:35 am
  • Dear R people, The header practically says it all. I was wanting to include r code in a Latex file. Since R code using{ and }, which are interpreted by Latex as control characters, I would expect it ...
    Faheem MithaFaheem Mitha
    May 1, 2000 at 9:05 pm
    May 2, 2000 at 9:08 am
  • Hi- I'm a complete newbie trying to install R and the 'tree' package on a linux box. I installed R successfully using an RPM for Redhat 6.2. I downloaded the tree*.gz file, ran tar, the fired up R ...
    Robert SchickRobert Schick
    May 31, 2000 at 9:39 pm
    May 31, 2000 at 11:09 pm
  • Hi , I 've got a trouble with using R. When I want to load a file that contains 93 thousand raws and 22 colums of data (essentially float) R shows me this error message "heap size trouble" Does ...
    KaramianKaramian
    May 30, 2000 at 11:43 am
    May 31, 2000 at 1:36 pm
  • Hello, I was wondering if anyone have encountered an invalid page fault by cutting and pasting into R (or using the command line editing) - seems to happen at the same address 017f:7fc0c9da. Here is ...
    Partha_bagchiPartha_bagchi
    May 26, 2000 at 2:43 pm
    May 31, 2000 at 12:46 pm
  • Hi , I wanted to know it is possible to do 3D plotting with R. If it is possible what shall I do? * Are there special packages to install? * Where can I find them? Thanks a lot for your help An HTML ...
    KaramianKaramian
    May 26, 2000 at 9:31 am
    May 26, 2000 at 9:05 pm
  • Hi R-people I am trying to have R write latex-code. "\begin{tabular}" and "\end{tabular} do not produce similar results. I would like to something like write("\begin{tabular} ,file=. . .) . . ...
    Helgi TomassonHelgi Tomasson
    May 22, 2000 at 4:56 pm
    May 23, 2000 at 3:06 pm
  • I am using R version 1.0.1 both under Linux and Windows 98. A simple question: After fitting an ARIMA model, how can I plot in the same graph both the original series (solid line, say) and the fitted ...
    Francisco CribariFrancisco Cribari
    May 22, 2000 at 11:34 am
    Aug 14, 2000 at 6:27 am
  • Dear Paul Murrel, this is a little bit late reply to your previous information on the Japanese facility of R. Recently I installed R(1.0.1) from the woody package of Debian GNU/Linux and tested ...
    Shigeru MaseShigeru Mase
    May 19, 2000 at 3:30 pm
    Jun 4, 2000 at 2:18 pm
  • Dear all, I have been trying to understand what runif() is telling me. I am generating lots of numbers (billions and billions (wow, I've dreamed about saying that for many years... :-) ), for a ...
    Kjetil KjernsmoKjetil Kjernsmo
    May 25, 2000 at 2:38 pm
    May 25, 2000 at 8:30 pm
  • Error in dyn.load(x, as.logical(local), as.logical(now)) : unable to load shared library "/usr/local/lib/R/library/ts/libs/ts.so": /usr/local/lib/R/library/ts/libs/ts.so: undefined symbol: ma My ...
    Christian PosseChristian Posse
    May 24, 2000 at 7:17 pm
    May 25, 2000 at 7:49 am
  • Hi, I'm using R 1.0.0 on both a machine running Win95 and another machine running Win98. I'm using the mclust function emclust and creating a bic values file for my data. the strange part is, I keep ...
    Mark HallMark Hall
    May 21, 2000 at 2:05 pm
    May 21, 2000 at 10:56 pm
  • G'day I've been performing an analysis of some data by a follow the leader method (Bad I know but it seems to work and I think I understand all the steps now) and I've run into a problem. The ...
    John S. WalkerJohn S. Walker
    May 16, 2000 at 9:26 pm
    May 17, 2000 at 8:30 am
  • Helle R people, here's my slightly out of range question: i am in c code (dll call from R - passing a matrix as double * data, int * row and int * col). In C/C++, i'd like to handle this *double as a ...
    Nicolas baurinNicolas baurin
    May 16, 2000 at 10:40 am
    May 16, 2000 at 8:49 pm
  • Dear friends. I have the problem of assessing the importance of bleeding times censored at 20 minutes for predicting blood loss incurred after a liver biopsy. How would I use the knowledge that the ...
    Troels RingTroels Ring
    May 14, 2000 at 2:32 pm
    May 15, 2000 at 10:57 am
  • Here is a question that I don't know if it is possible to do in R: If I type: Then, I want to "take out" the first decimal place of each output, plot them based on their appearence frequencies. Then ...
    Ko-Kang WangKo-Kang Wang
    May 11, 2000 at 7:21 am
    May 11, 2000 at 10:24 am
  • "c" is not a great choice of identifier! These could have been complex, of course, but as it happens they are real. should be the Not quite. It means Pi2 is symmetric all right, but it implies no ...
    Bill VenablesBill Venables
    May 10, 2000 at 11:27 am
    May 10, 2000 at 1:43 pm
  • Following p.206 of "Statistical Models in S", I wish to change the code for summary.glm() so that it estimates the dispersion for binomial & poisson models when the parameter dispersion is set to ...
    John MaindonaldJohn Maindonald
    May 9, 2000 at 12:12 am
    May 9, 2000 at 1:25 pm
  • Hello to all R people, for the application of a function to each column of a matrix (ex: function sum()), i'd like to know if there is a simpler (and faster) alternative to a loop like : for (i in ...
    Nicolas baurinNicolas baurin
    May 3, 2000 at 10:48 am
    May 3, 2000 at 3:46 pm
  • In Splus this works, Error in [<-.data.frame(*tmp*, a == 1, value = 2) : matrix subscripts not allowed in replacement Was this a design decision? Sorry if I missed it in An Introduction to R. Denis ...
    Denis WhiteDenis White
    May 31, 2000 at 6:29 pm
    Jun 1, 2000 at 7:09 pm
  • Dear all, I am a bit surprised that R does not give a warning (or a message error) when calling, in a data.frame (or a list), an element that does not exist: my.var1 my.var2 1 1 3 2 2 4 [1] 1 2 I ...
    Emmanuel ParadisEmmanuel Paradis
    May 24, 2000 at 12:53 pm
    May 31, 2000 at 4:38 pm
  • I'm having trouble with the fast fourier transform function ("fft"). Apparently, I'm not understanding what R's function is actually doing, let me show you with the example in the R manual: if I put ...
    Mike olsenMike olsen
    May 30, 2000 at 11:54 pm
    May 31, 2000 at 2:48 pm
  • In S-PLUS, the 'axis' function accepts some arguments that don't exist in the R counterpart. The two that I'm interested in right now are 'pos' and 'ticks'. Any suggestions on how obtain the same ...
    Zivan KaramanZivan Karaman
    May 25, 2000 at 9:15 am
    May 26, 2000 at 6:50 am
  • Hi, Let?s consider aux1. I wanted to order its data considering its first column as the index V1 V2 V3 V4 V5 V6 1 0.08506724 150 1956 15.08 233.82 463.295 14 2 0.76205323 203 1922 15.35 218.74 ...
    Manuel Castejon LimasManuel Castejon Limas
    May 24, 2000 at 10:52 am
    May 24, 2000 at 11:35 am
  • Dear All, sorry for bothering you with a simple (?) question. Is it possible to save the std.error of the estimated coefficients obtained by the summary.lm function? Something analogous to coef( )? ...
    Nina LieskeNina Lieske
    May 23, 2000 at 2:21 pm
    May 23, 2000 at 4:49 pm
  • Dear R Forgive my ignorance, but I have not met an .rpm file before. How do I unpack it? Colin ---------------------- C. R. Knowles, Computing Officer Department of Economics University of Bristol 8 ...
    C.R. Knowles, EconomicsC.R. Knowles, Economics
    May 22, 2000 at 6:13 pm
    May 23, 2000 at 9:36 am
  • Forgive my ignorance, but I have not met an .rpm file before. How do I unpack it? Colin -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read ...
    Colin KnowlesColin Knowles
    May 22, 2000 at 6:11 pm
    May 22, 2000 at 8:44 pm
  • I have installed r on my pc with windows 95 and I get this message: fatal error: unable to open the base package Any help? Javier ...
    Javier Muñoz CriadoJavier Muñoz Criado
    May 4, 2000 at 3:22 pm
    May 19, 2000 at 10:08 am
  • Dear R people, I have been reading about R in V&R's `S programming', specifically Section 3.4, entitled `Databases, frames, and environments'. I have found it useful in helping me understand things ...
    Faheem MithaFaheem Mitha
    May 19, 2000 at 12:00 am
    May 19, 2000 at 5:44 am
  • Hello, my question is the following: from a data set (assuming the data has a parametric form, gamma, say) how can I estimate the parameters of the data's density. That is, for the gamma, say, how ...
    Vittorio AddonaVittorio Addona
    May 17, 2000 at 1:04 pm
    May 17, 2000 at 3:30 pm
  • Dear friends I'm trying to switch to R for my current work, but could not find a more or less direct procedure to perform multiple range tests such as LSD, Duncan, Tukey, etc after an analysis of ...
    Rodolfo Canet-CastelloRodolfo Canet-Castello
    May 5, 2000 at 9:01 am
    May 5, 2000 at 10:48 pm
  • I recently upgraded to LinuxPPC 2000. When I tried to reinstall the R rpm, I was missing the following dependent files: egcs, egcs-g77, and libf2c.so.0 Is there an upgrade or a fix to this? Brian ...
    Joseph Brian Adams, Ph.D.Joseph Brian Adams, Ph.D.
    May 1, 2000 at 10:55 pm
    May 5, 2000 at 2:46 pm
  • Howdy, I looked at the references in the R and S-Plus literature to find a good introduction/reference to GLM. When I then went to Amazon it seemed to me that all the recommended books are out of ...
    Ragnar BeerRagnar Beer
    May 3, 2000 at 8:26 am
    May 4, 2000 at 10:07 am
  • Hi, plot( <whatever , xlab=expression(rho)) works fine and plots LaTeX's \rho. How can I plot \varrho ? Torsten -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help ...
    Torsten HothornTorsten Hothorn
    May 29, 2000 at 12:40 pm
    May 31, 2000 at 9:10 am
  • Dear All, This is driving me nuts; I think it should be very simple (and I am sure the answer is in front of me somewhere in ch. 3 of "S programming") but I just don't get it. It seems that "weights" ...
    Ramon Diaz-UriarteRamon Diaz-Uriarte
    May 29, 2000 at 5:05 pm
    May 30, 2000 at 9:03 am
  • It was mentioned on S-News that R has a generalized mixed-effects model library called glmm. I have not been able to locate this on CRAN. Which package should I look for and would this be on CRAN or ...
    Carlos CarrollCarlos Carroll
    May 23, 2000 at 6:37 pm
    May 23, 2000 at 7:09 pm
  • I want to draw a meta plot with Mantel-Haenszel analysis (meta.MH) in the "rmeta" package. Is it possible to change the confidence interval? The default is 95%, but what if I want, say 99% or 90% ...
    Ko-Kang WangKo-Kang Wang
    May 19, 2000 at 11:24 pm
    May 20, 2000 at 11:48 am
  • Hi all, I am considering buying S-Plus but I wonder if that is really necessary since it seems to be possible doing most (all?) things using R instead. More specifically I am interested in the ...
    Tord SnallTord Snall
    May 19, 2000 at 9:23 am
    May 19, 2000 at 5:41 pm
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Prof Brian Ripley: 76 posts Peter Dalgaard BSA: 40 posts Faheem Mitha: 21 posts Ko-Kang Wang: 20 posts Thomas Lumley: 19 posts Douglas Bates: 15 posts Kjetil Kjernsmo: 11 posts Uwe Ligges: 11 posts Emmanuel Paradis: 10 posts Gb: 10 posts Ben Bolker: 8 posts Bill Venables: 8 posts Martin Maechler: 8 posts John Maindonald: 7 posts Jonathan Baron: 6 posts Shigeru Mase: 6 posts Jim Lindsey: 5 posts Manuel Castejon Limas: 5 posts Mark Hall: 5 posts Albrecht Gebhardt: 4 posts
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