Grokbase Groups R r-help May 2003

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429 discussions - 1,271 posts

  • Hi folks, I use R in X windows on Linux. Normally, I use 'less' as pager, which is fine for scanning through 'help' (or '?') output in the R window itself; the help session is terminated by typing ...
    Ted HardingTed Harding
    May 24, 2003 at 7:30 pm
    May 27, 2003 at 11:54 am
  • Douglas BatesDouglas Bates
    May 14, 2003 at 12:16 am
    May 15, 2003 at 1:43 pm
  • Hello, Would somebody tell me how to write the text result into a postscript file? The command postscript() sents only the graphics output into PostScript files. best wishes, Xirui
    Xirui YangXirui Yang
    May 8, 2003 at 4:45 pm
    May 9, 2003 at 4:20 pm
  • Douglas BeareDouglas Beare
    May 12, 2003 at 11:31 am
    May 13, 2003 at 5:55 am
  • Hello, I know this might sound stupid, but here's my problem. I try to build packages, which gives absolutely no problem as long as I do this in Linux. I get my .tar.gz-package. However, for windows, ...
    Kurt SysKurt Sys
    May 23, 2003 at 10:35 am
    May 26, 2003 at 11:22 am
  • Dear all, I'm new to matrix operations in R. I couln't find a solution to the following problem among earlier help mails or in An introd to R, I guess because the question is really basic. I want to ...
    Tord SnallTord Snall
    May 22, 2003 at 2:55 pm
    May 23, 2003 at 2:28 am
  • I probably shouldn't suggest this, because I can't volunteer to implement it. However, I bring it up in the hopes that if (1) others agree and (2) the R core group think it a good idea that a ...
    Mike PragerMike Prager
    May 30, 2003 at 2:17 pm
    Mar 17, 2004 at 9:52 pm
  • Dear members, I'm using R to do some test computation on a set of parameters of a function. This function is included in three for() loops, first one for replications, and the remaining two cycling ...
    Yves BrostauxYves Brostaux
    May 28, 2003 at 8:29 am
    May 30, 2003 at 8:12 am
  • In trying to run John Fox's new Rcmdr package on Redhat Linux 9, I got this error message. The problem is in loading the tclck library. library(tcltk) produces the same error. It has been discussed ...
    Jonathan BaronJonathan Baron
    May 26, 2003 at 3:55 pm
    May 26, 2003 at 7:56 pm
  • Hi. I have tried to use Package "SEM". As a learning, I try to convert a program running well of EQS which is as follows to SEM: ### EQS ### /SPECIFICATION CAS0; VAR=5 MAT=COR; ANA=COR; /EQUATIONS ...
    Mitsuo IgarashiMitsuo Igarashi
    May 20, 2003 at 7:37 am
    May 23, 2003 at 2:12 pm
  • In the document "R Data Import/Export", section "Output to connections", there is the following portion of code: ## convert decimal point to comma in output, using a pipe (Unix) zz <- pipe(paste("sed ...
    Adelchi AzzaliniAdelchi Azzalini
    May 20, 2003 at 10:43 am
    May 20, 2003 at 12:59 pm
  • Hi all, Using R a as a real-time application called by Php for a website, I would like to run one R process only, which would manage user connections. For the time each user who asks for an analysis ...
    Laurent FaisnelLaurent Faisnel
    May 19, 2003 at 10:43 am
    May 19, 2003 at 3:33 pm
  • Yes and no. Given your response it appears that "Proper Case" is not a term that everyone uses. In Excel there is a function "Proper" which in essence changes "this line into something like this" ...
    Mulholland, TomMulholland, Tom
    May 14, 2003 at 5:24 am
    May 15, 2003 at 7:42 pm
  • Dear r-help, I've got data of the following structure 1979 93.428747 0 1979 87.298608 20 1979 78.506340 40 ... 1979 45.567890 340 1980 60.815289 0 1980 49.630904 20 1980 24.981362 40 ... The first ...
    Wladimir EremeevWladimir Eremeev
    May 6, 2003 at 8:23 am
    May 6, 2003 at 4:04 pm
  • I am calling plot() with argument pch as a vector of numeric symbol codes, the same length as x and y. Is there some code which produces no symbol - a blank - so that I can come back with a second ...
    May 5, 2003 at 8:23 pm
    May 6, 2003 at 12:17 pm
  • Hi all, I'm using the latest RMySQL to send requests to a MySQL database (which is quite small for the time - let's say 20 tables with a total of 1000 rows), and this should be part of a whole ...
    Laurent FaisnelLaurent Faisnel
    May 5, 2003 at 8:56 am
    May 6, 2003 at 8:38 am
  • Hi, I'm faced with the following problem and would appreciate some advice. I could have a data frame x that looks like this: aa bb a 1 "A" b 2 "B" The advantage of this is that I could access all the ...
    R A FR A F
    May 1, 2003 at 12:51 am
    May 1, 2003 at 3:38 pm
  • Dear R help reader, I'm not an expert in R and are lerning a lot by reading the help digest, which is sometimes difficult because the huge amount of data posted. I have posted some questions before, ...
    Frank MattesFrank Mattes
    May 28, 2003 at 7:09 pm
    Jun 4, 2003 at 7:28 am
  • Does R have a comparison operator similar to the Like function, for example: a<-"Is a Fish" b<-"Fish" if(b in a){c<-TRUE} Michael R Howard Micron Technology Inc. Boise ID. Fab C Engineering Software ...
    May 29, 2003 at 11:11 pm
    May 30, 2003 at 3:43 pm
  • Returning after the long weekend, I get the following: aperrin at perrin:~/afshome/papers/microcultures/R$ R R : Copyright 2003, The R Development Core Team Version 1.7.0 (2003-04-16) R is free ...
    Andrew PerrinAndrew Perrin
    May 27, 2003 at 1:49 pm
    May 27, 2003 at 3:16 pm
  • Hello people, Is there some simple way of spinning and/or flipping arrays in R? Here's what I mean. Suppose that foo is a 2x3x4 array with the following contents: (I know this is different than ...
    Bill RisingBill Rising
    May 26, 2003 at 5:39 pm
    May 27, 2003 at 2:04 pm
  • Hello, everyone, I am having several basic questions that I haven't found the answer to from the manuals: 1. How to remove "[1]" when a single line message is printed? 2. How to print several ...
    Minghua YaoMinghua Yao
    May 20, 2003 at 1:57 pm
    May 21, 2003 at 3:40 pm
  • Hi: I have a question about the use of the survfit function after the estimation of a cox proportional hazard model with a frailty term. My goal is to estimate expected survival probabilities while ...
    May 19, 2003 at 7:40 pm
    May 20, 2003 at 7:36 pm
  • Is there a modulus operator in R? Anna
    Anna H. PryorAnna H. Pryor
    May 19, 2003 at 3:56 pm
    May 19, 2003 at 4:34 pm
  • Dear all I have a character vector of dates something like: timevec<-c("15.5.2003 00:00", "15.5.2003 00:01", "15.5.2003 00:02", "15.5.2003 00:03","15.5.2003 00:04") and I would like to transform it ...
    Petr PikalPetr Pikal
    May 15, 2003 at 11:36 pm
    May 17, 2003 at 6:40 am
  • Hallo! I lese gro?e Zeitreihen in R ein z.B. mit: V1 V2 1 01/03/1955 1.5 2 01/04/1955 1.5 3 01/05/1955 1.5 4 01/06/1955 1.5 5 01/07/1955 1.5 ich will das disc als Zeitreihe erkannt wird und will z.B ...
    Wojtek MusialWojtek Musial
    May 12, 2003 at 1:47 am
    May 12, 2003 at 3:59 pm
  • Hi all, It seems that getAttr doesn't return "names" attribute properly as in getAttrib(x, R_NamesSymbol)); If you look at section 4.7.4 in "Writing R Extensions", the second example of SEXP ...
    Stoyanov, TsvetanStoyanov, Tsvetan
    May 9, 2003 at 2:25 pm
    May 9, 2003 at 3:50 pm
  • Hello, 1) I am interested in performing a limited-dependent variable linear regression. By this I mean a classical linear regression, but for the case where the values of the dependent variable ...
    Howard AlperHoward Alper
    May 6, 2003 at 7:27 pm
    May 9, 2003 at 1:12 am
  • Hi, how do I sink output to a subdirectory under which R is running? For example, suppose R is running in ~me and I would like to sink output to ~me/Subdir/filename. The obvious sink( ...
    R A FR A F
    May 7, 2003 at 9:38 pm
    May 8, 2003 at 1:46 am
  • Hi, this question is meant to be a bit vague, since I'm really not familiar with all the issues involved. It's also a problem that I think many would have encountered and would have useful ...
    R A FR A F
    May 6, 2003 at 6:53 pm
    May 6, 2003 at 8:44 pm
  • I keep finding myself in a situation where I want to calculate a variable name and then use it on the left hand side of an assignment. For example iteration <- 1 varName <- ...
    Paul E. JohnsonPaul E. Johnson
    May 31, 2003 at 4:57 pm
    Jun 1, 2003 at 3:42 pm
  • Hi, I am very new to R and cannot seem to find how it generates random numbers. I am currently involved with a project that requires a random number generator and have developed one. I am, however, ...
    May 26, 2003 at 8:45 pm
    May 27, 2003 at 2:09 pm
  • Hello. I have a hudge problem, don't know how to deal with it... I'm supposed to implement a tree structure in R, without using rpart library... I don't have any clue about appropriate approach.. ...
    May 17, 2003 at 5:19 pm
    May 19, 2003 at 6:21 am
  • Hi, I am trying to test the proportional-odds model using the "polr" function in the MASS library with the dataset of "housing" contained in the MASS book ("Sat" (factor: low, medium, high) is the ...
    Array chipArray chip
    May 5, 2003 at 5:44 pm
    May 16, 2003 at 4:07 pm
  • Hello! I have a dataset with NA's in some variables (factors), for example: $ P67 : Factor w/ 2 levels "-","+": NA 2 1 NA NA 2 1 1 2 NA ... I need to use 'xtabs' like xtabs(~x$P67) It works well and ...
    Kosenkov KirillKosenkov Kirill
    May 14, 2003 at 8:18 pm
    May 15, 2003 at 7:58 pm
  • Dear all, Maybe this has something to do with R crashing? When my R version crashes, there is Rgui.exe still running in the background (i.e. W2K's task manager recognises it only as a process, which ...
    Hotz, T.Hotz, T.
    May 8, 2003 at 1:04 pm
    May 9, 2003 at 7:48 pm
  • Hello all, I want to read a table from a given web page. If I do something like aux2 contains the html file. I want to extract the table from the html file. Is there a function html2R, the opposite ...
    Adi HumbertAdi Humbert
    May 6, 2003 at 2:31 pm
    May 7, 2003 at 6:18 am
  • Hi, I am using R to do a principal components analysis for a class which is generally using SPSS - so some of my question relates to SPSS output (and this might not be the right place). I have ...
    James HowisonJames Howison
    May 6, 2003 at 12:43 am
    May 6, 2003 at 10:39 pm
  • Dear R-help list members, I'm writing a package using tcltk. Thanks to Peter Dalgaard's excellent work on the tcltk package, almost everything has gone very smoothly. I'm stymied, however, by the ...
    John FoxJohn Fox
    May 6, 2003 at 6:24 pm
    May 6, 2003 at 9:17 pm
  • In the ouput below, what is the "S" statistic (S = 96) that is used for Spearman? I don't have easy access to the books cited on the help page. Other texts and web sources that I have found use t or ...
    Brett MagillBrett Magill
    May 1, 2003 at 12:45 pm
    May 4, 2003 at 2:33 pm
  • Hi, I am running cox regreesion (coxph) on a large number of independent variables, one variable at a time, using loop. At some point of the loop, the cox regression stopped due to some errors. How ...
    Array chipArray chip
    May 30, 2003 at 11:28 pm
    Jun 2, 2003 at 7:45 pm
  • Hi, I have a query about the maximum length of vector that can be plotted in one go in a postscript driver. Try the following code (in 1.7.0; version details below): t <- seq(from=0, to=4*pi, length ...
    Stephen EglenStephen Eglen
    May 29, 2003 at 4:59 pm
    May 30, 2003 at 3:04 am
  • When I try 'install-packages' (from menu) in R-1.7.0 (Windows), I get .libPaths()[1], CRAN = NULL) Error in file(file, "r") : unable to open connection In addition: Warning message: cannot open file ...
    Göran BroströmGöran Broström
    May 29, 2003 at 2:01 pm
    May 29, 2003 at 5:22 pm
  • Hi. I am wondering whether Package SEM can do with intercepts and means in its structural analysis. If it can not calculate, how can I make a supplemental function in R? Many thanks in advance ...
    Mitsuo IgarashiMitsuo Igarashi
    May 24, 2003 at 1:53 pm
    May 29, 2003 at 12:07 pm
  • Hi! Apologies for sending the mail without any code. Apparently somewhere along the way the .R attachments got filtered out. I have included the code below as clean as possible. My original mail is ...
    Paul LemmensPaul Lemmens
    May 28, 2003 at 6:33 am
    May 28, 2003 at 6:58 pm
  • A colleague pointed me to this article advocating R as a Matlab substitute. Here is the link (deliberately on two lines: ...
    Murray JorgensenMurray Jorgensen
    May 27, 2003 at 11:15 pm
    May 28, 2003 at 10:24 am
  • Dear all, I am trying to create eps files of R plots (in Linux) so that I can import them into Word (obviously in MS Windows). What I would like is for the files to be cropped so that there is no ...
    Rishabh GuptaRishabh Gupta
    May 27, 2003 at 7:33 pm
    May 28, 2003 at 2:52 am
  • Hi all, I downloaded a R package (supclust, not from CRAN) in my directory, then type: markov:/home/pingzhao R CMD INSTALL supclust_1.1.tar.gz -l ~/lib but met the following errors * Installing ...
    May 25, 2003 at 1:03 am
    May 25, 2003 at 7:53 am
  • Please excuse me if this is a very basic question and I am just misunderstanding the basic structure of R. Right now, I am writing everything in a buffer (emacs) and then copying it into R when it is ...
    Anna H. PryorAnna H. Pryor
    May 23, 2003 at 5:41 pm
    May 23, 2003 at 11:21 pm
  • Hi, I have written my own function to estimate a local linear regression. When I plot the output vector on the scatterplot of the data, the function lines does not work and I get a rescaled ...
    May 23, 2003 at 2:56 pm
    May 23, 2003 at 4:32 pm
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