Grokbase Groups R r-help April 2002
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319 discussions - 966 posts

  • Can we expect to see an R package on Statistical Quality Control in the future like SPLUS? I can't understand why nobody made this package before. Indrajit SenGupta Department Of Statistics St ...
    Indrajit SenGuptaIndrajit SenGupta
    Apr 2, 2002 at 6:59 am
    Apr 21, 2002 at 5:36 pm
  • This morning I had 37 messages from the r-help list in my mailbox. I think its becoming excessive for an e-mail list. I wonder if whoever looks after this list could either move or gateway it to a ...
    GgrothendieckGgrothendieck
    Apr 10, 2002 at 4:59 pm
    Apr 11, 2002 at 10:54 pm
  • Hello All: I am trying to replicate the results of an example found in Alan Agresti's "Categorical Data Analysis" on pages 267-269. The example is one of a 2 x 2 cross-classification table of ordinal ...
    Andrew CriswellAndrew Criswell
    Apr 11, 2002 at 4:41 pm
    Feb 23, 2003 at 8:46 am
  • Hi everyone, Could somebody explain to me what is the package/function for classification analysis. I am performing analysis of music files in the form of MIDI files. I end up with about 750 ...
    Rishabh GuptaRishabh Gupta
    Apr 16, 2002 at 3:13 pm
    Apr 18, 2002 at 12:07 pm
  • Dear all, My questions are that if I have 1. Is there any other way to write this without 'for' loop? 2. and if I don't know the dimension of x, which could be only 1 column, how could I write the ...
    Sonchawan tamkaewSonchawan tamkaew
    Apr 9, 2002 at 12:46 pm
    Apr 10, 2002 at 4:06 pm
  • Hi I'm writing a function that uses four parameters (scalars) and I need to run it in an iterative process (the parameters vary to find the minimum RSS). I don't want to use loops and so tried the ...
    Ernesto JardimErnesto Jardim
    Apr 10, 2002 at 12:00 pm
    Apr 12, 2002 at 4:56 pm
  • I have a large n-way contingency table, constructed as a table object, and want to pool (collapse) some categories, summing the frequencies in all collapsed cells. How can I do this? thx, -Michael -- ...
    Michael FriendlyMichael Friendly
    Apr 8, 2002 at 5:53 pm
    Apr 11, 2002 at 10:52 pm
  • Within an user function, how are the warnings from an R function be trapped (such that some proper actions can be taken)? 'last.warning' is returned only at the top level. Pointers are appreciated ...
    Boryeu MaoBoryeu Mao
    Apr 29, 2002 at 7:43 pm
    Apr 30, 2002 at 7:22 pm
  • Hi Is it possible to plot values against strings, i.e. the x axis has people's names and the y axis as values, as shown below: 5 x 4 x x 3 x 2 x 1 Dave Tim Ian Steve Paul Sorry if this is a little ...
    Danny RuttleDanny Ruttle
    Apr 3, 2002 at 10:26 am
    Apr 3, 2002 at 7:31 pm
  • Hi colleages! I want to import data from ms-excel and other spreadsheet formats (lotus, etc). Does exist any way to do it within R? The main problem is that many spreadsheet data use comma as decimal ...
    Tomás RevillaTomás Revilla
    Apr 26, 2002 at 11:45 am
    Apr 29, 2002 at 8:25 am
  • Hello R-users, Does anyone know how obtain the week of a date? (in SPPS the instruction is "xdate.week") Thanks, Juan Ramon ...
    Juan Ramon GonzalezJuan Ramon Gonzalez
    Apr 11, 2002 at 1:42 pm
    Apr 11, 2002 at 11:01 pm
  • Hello, I'm looking for a way to plot different data series on one graph. I have a series of hourly rainfall and quarterly flow measurements (i.e. 4 times an hour) of a catchment. The rainfall should ...
    Wouter BuytaertWouter Buytaert
    Apr 26, 2002 at 8:42 pm
    May 1, 2002 at 2:24 pm
  • Dear R-help, I've run into a problem loading .RData: I was running a large computation, which supposedly produce a large R object. At the end of the session, I did a save.image() and then quit. The ...
    Liaw, AndyLiaw, Andy
    Apr 23, 2002 at 3:36 pm
    Apr 25, 2002 at 4:13 pm
  • Hi, P-values in Durbin-Watson test obtained through the use of functions available in packages "lmtest" and "car" are different. The difference is quite significant. function "dwtest" in "lmtest" is ...
    Ahmad Abu HammourAhmad Abu Hammour
    Apr 19, 2002 at 4:48 am
    Apr 21, 2002 at 2:49 am
  • Hi, I have 16 tables of 39 variables with around 1500 to 3500 cases in each table. These 16 tables are in 16 different data frames. I want to merge them in a single large data frame, so: All <- ...
    Philippe GrosjeanPhilippe Grosjean
    Apr 17, 2002 at 1:56 pm
    Apr 20, 2002 at 6:19 pm
  • Hi ! I wonder if the R application is capable of utilizing more than one CPU. I need to know since we run it on a SunFire 3800 with 8 750 USIII cpu:s and on a E420R with 4 USII cpu:s and we don't ...
    Lennart AraskougLennart Araskoug
    Apr 16, 2002 at 9:28 am
    Apr 16, 2002 at 3:22 pm
  • The first: if I have a vector as (1,1,3,2,1,1), which is the command that gives all the positions of the min value? From the vector of the example a would like to obtain a new vector as (1,2,5,6) ...
    Ambrosini AlessandroAmbrosini Alessandro
    Apr 15, 2002 at 12:54 pm
    Apr 16, 2002 at 9:27 am
  • Hello and thank you dear R-people in advance. This is quite basic question but which I have confronted occasionally and get over it without satisfying solution. The question is about factors, this ...
    Mäkinen JussiMäkinen Jussi
    Apr 12, 2002 at 8:12 am
    Apr 12, 2002 at 1:27 pm
  • Hi Folks, I'm currently looking at missing data/imputation methods (including multiple imputation). S-Plus has a "missing data library". What similar resources are available within R? Or does one ...
    Ted HardingTed Harding
    Apr 8, 2002 at 5:23 pm
    Apr 11, 2002 at 7:55 pm
  • Dear R list members, I'd like to produce rug plots at the bottom of panels in a trellis display (using the lattice package), but par("usr") doesn't return user coordinates for panels, and ...
    John FoxJohn Fox
    Apr 8, 2002 at 2:11 pm
    Apr 8, 2002 at 10:37 pm
  • Dear all, which font do I have to choose to use German umlauts at x/ylab in plot? Do I have to change Rdevga; and how? Or should I use these Hershey vectors? I looked quite a long time for a ...
    Petra SteinerPetra Steiner
    Apr 7, 2002 at 1:41 pm
    Apr 7, 2002 at 8:25 pm
  • Hello all - I am sorry if this simple question is addressed in somewhere else. But, I couldn't find it. It's been for about a week using R. . . My problem is: Reading matrix data with "scan" does not ...
    HkimscilHkimscil
    Apr 30, 2002 at 7:03 am
    Apr 30, 2002 at 9:31 pm
  • Hi, Does anyone have an example of calling optim() from a standalone C/C++ program? If possible please include the linker options (I am using gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)) ...
    Vadim OgranovichVadim Ogranovich
    Apr 29, 2002 at 10:08 pm
    Apr 30, 2002 at 5:10 pm
  • Hello I am sure this is elementary, but I can't figure it out..... I am using SAS v8.2 and R 1.4.1 on a Windows platform. I have a large (6 megabyte) file in .sd2 format. I want to import it into R ...
    Peter FlomPeter Flom
    Apr 26, 2002 at 1:59 pm
    Apr 26, 2002 at 10:19 pm
  • I am trying to read in a tab-delimited data file with a 21 row header and 2 row footer using two calls to read.table(). Numbers of rows and columns are variable. The header contains information for ...
    David R. McWillliamsDavid R. McWillliams
    Apr 22, 2002 at 5:12 pm
    Apr 23, 2002 at 9:24 pm
  • Hi, everybody. I just started using R on Mac OS X. I'm trying both of Carbon and Darwin version. I used to use S-PLUS on Linux and want to use splom to do multi-plot. I looked at both Carbon and ...
    Etsuko MoriyamaEtsuko Moriyama
    Apr 23, 2002 at 4:20 am
    Apr 23, 2002 at 5:26 pm
  • I'm new to lattice and can't figure out what the problem is with the following example: ######################### Loading required package: grid Attaching package `lattice': The following object(s) ...
    Sundar Dorai-RajSundar Dorai-Raj
    Apr 22, 2002 at 3:38 pm
    Apr 22, 2002 at 4:24 pm
  • Hello! Two questions: 1: I have to import a matrix of adjacency from a file of a software that is not R (for example "bloc notes" of Windows). The problem is that the matrix is not in the explicit ...
    Ambrosini AlessandroAmbrosini Alessandro
    Apr 18, 2002 at 4:42 pm
    Apr 19, 2002 at 9:31 am
  • Hi, I think I found the problem. It lies in my Fortran program. Is there a way, after a DO loop, to make sure it does NOT return anything? Cheers, Kevin Cheers, Kevin ...
    Ko-Kang Kevin WangKo-Kang Kevin Wang
    Apr 15, 2002 at 9:33 am
    Apr 15, 2002 at 3:27 pm
  • In a .First.lib I want to issue two require()s to insure that two other packages are loaded. But I want the package being loaded by .First.lib using library.dynam("mypackage",pkb,lib) to be higher in ...
    Frank E Harrell JrFrank E Harrell Jr
    Apr 12, 2002 at 4:06 pm
    Apr 14, 2002 at 12:30 am
  • Running 1.4.1 (Windows) under Windows XP Pro. Have had no difficulty for several weeks since moving to the new OS. Today, while checking the behavior of my mouse, I loaded Rgui as usual. I then ...
    Marc R. FeldesmanMarc R. Feldesman
    Apr 7, 2002 at 1:39 am
    Apr 7, 2002 at 7:43 pm
  • Hi ! Sorry for my ignorance. I have two questions: 1) which is in R the function to make a covariogram of spatial data ? 2) does anyone know if there exist the possibility in R of performing kriging ...
    Lecca PaolaLecca Paola
    Apr 3, 2002 at 9:39 am
    Apr 3, 2002 at 1:54 pm
  • Hi, In 1.4.1, I was able to create extra "empty" rows in a dataframe as so: a b 1 a 1 2 b 2 3 c 3 a b NA NA NA a b 1 a 1 2 b 2 3 c 3 NA NA NA platform sparc-sun-solaris2.6 arch sparc os solaris2.6 ...
    David Kane <David KaneDavid Kane <David Kane
    Apr 30, 2002 at 3:08 pm
    May 6, 2002 at 11:55 pm
  • Hi, We are considering organizing some of our ascii files with multiple "column names" like so: a.long.but.complete.name a.different.complex.name short.name.1 short.name.2 1 7 2 8 3 9 [more data] The ...
    David Kane <David KaneDavid Kane <David Kane
    Apr 22, 2002 at 1:06 pm
    May 1, 2002 at 6:52 pm
  • Dear all!! I am using R1.4.1 on windows 98. I had been trying to organize the package and has already been able to document some of the functions in to .Rd (R documentation) files. From these .Rd ...
    Rangrej, JagadishRangrej, Jagadish
    Apr 29, 2002 at 3:01 pm
    Apr 30, 2002 at 8:10 pm
  • Hello! If I have a matrix as 1 2 2 3 and I want to change the value 2 in 0, what can I do? Thank you -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing ...
    Ambrosini77Ambrosini77
    Apr 15, 2002 at 6:15 pm
    Apr 29, 2002 at 8:14 pm
  • Dear list, I get the following message while trying to append an object to a file. In addition it is not appended. Do you know why? quoteúLSE, sep="\t") Warning message: appending column names to ...
    Ulrich LeopoldUlrich Leopold
    Apr 29, 2002 at 10:15 am
    Apr 29, 2002 at 3:28 pm
  • A search of the archives did not reveal an answer: For basic tests of association, where one has no a priori knowledge of the form of the relation or of the distributions of the variables, rank ...
    Martin Henry H. StevensMartin Henry H. Stevens
    Apr 25, 2002 at 9:20 am
    Apr 25, 2002 at 8:02 pm
  • Hi: I remember a post several days ago by Jon Baron, concerning the behavior of sum() when one sets na.rm=TRUE: the result will be a zero sum for a vector of all NA's, as here, for the second row: x ...
    Richards, TomRichards, Tom
    Apr 25, 2002 at 3:25 pm
    Apr 25, 2002 at 4:23 pm
  • A student of mine wants to use R to do some nonmetric multidimensional scaling. According to the R FAQ, there's a package called pcurve that computes multidimensional scaling solutions, but I was not ...
    John MiyamotoJohn Miyamoto
    Apr 19, 2002 at 10:37 pm
    Apr 20, 2002 at 8:05 am
  • In Baron and Li's "Notes on the use of R for psychology experiments and questionnaires" http://cran.r-project.org/doc/contrib/rpsych.htm they describe a balanced data set for a drug experiment: ".. ...
    Greenberg, Jeff (J.A.)Greenberg, Jeff (J.A.)
    Apr 18, 2002 at 4:06 pm
    Apr 19, 2002 at 4:44 pm
  • Hi, Thanks to Profs. Ripley and Tierney for their tips, I compiled zlib from source and gotten further. Here's where I get stuck, when it tries to compile the tcltk package: ld32: FATAL 12 ...
    Liaw, AndyLiaw, Andy
    Apr 18, 2002 at 6:33 pm
    Apr 19, 2002 at 4:26 pm
  • Hi all, I want to recalculate an analysis found in a paper. An empirical time series (velocities, altogether 241 data values) were cross-correlated with an invertited cosine function (200 ...
    Sven GarbadeSven Garbade
    Apr 17, 2002 at 2:55 pm
    Apr 18, 2002 at 6:59 am
  • Hi there, Given 2 lists of integer vectors, i.e.: $"1" [1] 1 34 5 $"2" [1] 2 1 $"3" [1] 3 10 15 $"1" [1] 1 5 $"2" [1] 2 1 $"3" [1] 3 10 29 I want to obtain the union of both, defined as the union of ...
    Agustin LoboAgustin Lobo
    Apr 17, 2002 at 1:24 pm
    Apr 17, 2002 at 7:51 pm
  • I have a function for plotting soil texture that I am having a problem with. The function is: plot.psd <- function(sand, clay, ...) { conv.ter <- function(x, y) { x.con <- 100 - x - y*cos(1/3*pi) ...
    Moffet, CoreyMoffet, Corey
    Apr 17, 2002 at 2:24 pm
    Apr 17, 2002 at 5:20 pm
  • Happy new month, everyone! I am planning to write a NIH grant proposal to study ways to speed Monte Carlo based maximum likelihood algorithm for hierarchical models with a focus on generalized linear ...
    Jason LiaoJason Liao
    Apr 1, 2002 at 2:49 pm
    Apr 12, 2002 at 10:14 am
  • I have a question about princomp(mva) that I hope isn't too newbie. I used the sample data from Table 1.1 in "Manly (1986/1994) Multivariate Statistical Methods: a primer. Chapman and Hall" on ...
    Damien JolyDamien Joly
    Apr 10, 2002 at 10:43 pm
    Apr 11, 2002 at 6:19 pm
  • Hi! The R-intro guide states that: "The graphics facilities can be used in both interactive and batch modes,.." but I'm trying both R BATCH commands.file and R --no-save < commands.file and, although ...
    Agustin LoboAgustin Lobo
    Apr 11, 2002 at 12:35 pm
    Apr 11, 2002 at 5:33 pm
  • Hi Andrea! Es lebe die R Gemeinde! Gruss, uwe -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read ...
    Uwe LiggesUwe Ligges
    Apr 10, 2002 at 9:38 am
    Apr 10, 2002 at 1:04 pm
  • Hello, I have a R-script, R1, that contains some variables and some R-functions. I want to include/require this script into another R-script, R2, so that I can access the the variables and functions ...
    Rik BradtRik Bradt
    Apr 9, 2002 at 5:13 pm
    Apr 10, 2002 at 9:49 am
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Ripley: 93 posts Peter Dalgaard BSA: 65 posts Thomas Lumley: 46 posts Uwe Ligges: 29 posts Ggrothendieck: 21 posts Jonathan Baron: 15 posts Douglas Bates: 13 posts Liaw, Andy: 13 posts A.J. Rossini: 12 posts John Fox: 11 posts Luke Tierney: 11 posts Deepayan Sarkar: 10 posts Frank E Harrell Jr: 10 posts Martin Maechler: 10 posts Sundar Dorai-Raj: 10 posts Agustin Lobo: 9 posts Ambrosini Alessandro: 9 posts Don MacQueen: 9 posts Ernesto Jardim: 8 posts Ozric: 8 posts
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