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2001 Feb 26
3
%*% in examples (PR#855)
Hi, when we add \examples{ a <- 1:4 a %*% a } into a Rd-file are run R CMD check, the resulting R code is a <- 1:4 a So, %*% ... is lost on the way if I'm not totally confused. Torsten --please do not edit the information below-- Version: platform = i686-pc-linux-gnu arch = i686 os = linux-gnu system = i686, linux-gnu status = Patched major = 1 minor = 2.0 year =
2004 Mar 03
2
read.spss and time/date information
...might be to do this all in the GMT time zone: spss.orig <- as.POSIXct("2003/02/11", tz="GMT") - 13264300800 format(spss.orig + c(13264300800, 13142476800), tz="GMT") --- Date: Wed, 3 Mar 2004 15:57:10 +0100 (CET) From: Torsten Hothorn <Torsten.Hothorn at rzmail.uni-erlangen.de> To: <r-help at stat.math.ethz.ch> Subject: [R] read.spss and time/date information Hi, I could not find any information on how `read.spss' deals with date information. As an example, I created a file containing two variables, one numeric (values = (1, 2)) an...
2002 Dec 09
2
APL?
Hi, is anybody out there who knows APL and would help me to translate 52 lines of APL code into propper R? best, Torsten
2004 Apr 26
1
Segfault: .Call and classes with logical slots
...________________________________ | | | Dr. rer. nat. Torsten Hothorn | | Institut fuer Medizininformatik, Biometrie und Epidemiologie | | Waldstrasse 6, D-91054 Erlangen, Deutschland | | Tel: ++49-9131-85-22707 (dienstl.) | | Fax: ++49-9131-85-25740 | | Email: Torsten.Hothorn@rzmail.uni-erlangen.de | | PLEASE send emails cc to torsten@hothorn.de | | Web: http://www.imbe.med.uni-erlangen.de/~hothorn | |_______________________________________________________________________|
2002 Jun 20
1
new package `multcomp'
...ns for improvements are very welcome! >From the DESCRIPTION file: Package: multcomp Title: Multiple Tests and Simultaneous Confidence Intervals Version: 0.2-6 Date: $Date: 2002/06/19 07:24:40 $ Author: Frank Bretz <bretz at ifgb.uni-hannover.de>, Torsten Hothorn <Torsten.Hothorn at rzmail.uni-erlangen.de> and Peter Westfall <WESTFALL at ba.ttu.edu> Description: Multiple comparison procedures for the one-way layout. Maintainer: Torsten Hothorn <Torsten.Hothorn at rzmail.uni-erlangen.de> Depends: R (>= 1.4.0), mvtnorm (>=0.5-4) License: GPL -.-.-.-.-.-.-.-.-.-....
2002 Jun 20
1
new package `multcomp'
...ns for improvements are very welcome! >From the DESCRIPTION file: Package: multcomp Title: Multiple Tests and Simultaneous Confidence Intervals Version: 0.2-6 Date: $Date: 2002/06/19 07:24:40 $ Author: Frank Bretz <bretz at ifgb.uni-hannover.de>, Torsten Hothorn <Torsten.Hothorn at rzmail.uni-erlangen.de> and Peter Westfall <WESTFALL at ba.ttu.edu> Description: Multiple comparison procedures for the one-way layout. Maintainer: Torsten Hothorn <Torsten.Hothorn at rzmail.uni-erlangen.de> Depends: R (>= 1.4.0), mvtnorm (>=0.5-4) License: GPL -.-.-.-.-.-.-.-.-.-....
2002 Jul 09
1
RE: mvtnorm package installation failure
...hese phenomena, I suspect that the problem is with the Debian version of R 1.5.1. Can someone point out a fix? Thanks in advance. Regards, Jonathan Jonathan Qiang Li, Ph.D. Statistician Agilent Labs Palo Alto, CA USA -----Original Message----- From: Torsten Hothorn [mailto:Torsten.Hothorn at rzmail.uni-erlangen.de] Sent: Sunday, June 30, 2002 11:55 PM To: Jonathan Li Subject: Re: mvtnorm package installation failure > Hi, I want to thank you in advance for any assistance you may give: I > had > trouble installing the mvtnorm package. Here is the error message I > encountered: &g...
2005 Nov 14
1
effect sizes for Wilcoxon tests
Hello, I use t.test for normal distributed and wilcox.test for non-normal distributed samples. It is easy to write a function for t.test that calculates the effect size, because all parts of the formula are available from the t.test result: r = sqrt(t*t / (t*t + df)) However, for Wilcoxon tests, the formula for effect sizes is: r = Z / sqrt(N) I wonder how I can calculate the Z-score in R for
2002 Oct 29
0
updated package "lmtest" 0.9-2
...an article that will be published in the forthcoming R News 2(3). The DESCRIPTION of the package is given below. Best wishes, Achim Zeileis Package: lmtest Title: Testing Linear Regression Models Version: 0.9-2 Date: $Date: 2002/10/28 10:07:32 $ Author: Torsten Hothorn <Torsten.Hothorn at rzmail.uni-erlangen.de>, Achim Zeileis <zeileis at ci.tuwien.ac.at>, David Mitchell Maintainer: Achim Zeileis <zeileis at ci.tuwien.ac.at> Description: A collection of tests, data sets and examples for diagnostic checking in linear regression models. Depends: R (>= 1.4.0) License: GPL...
2000 Sep 26
1
Permutations
Hi, this is maybe not a real R problem but I want to solve this in R ;-) Consider the set of all permutations of 1:N (=: S, say) and a fixed element a from S. I now need to compute the number of permutations s from S which are elementwise less or equal to a: | { s \in S | s <= a } | Of cource, backtracking using a tree structure is possible. Does anyone know an efficient way? Torsten
2001 Oct 18
1
vectors / matrices
Hi, a friend of mine came across this R> x <- 1:5 R> cbind(x,x) x x [1,] 1 1 [2,] 2 2 [3,] 3 3 [4,] 4 4 [5,] 5 5 R> rbind(x,x) [,1] [,2] [,3] [,4] [,5] x 1 2 3 4 5 x 1 2 3 4 5 x is a vector and therefore has no dim-attribute. Obviously cbind treats x as a col-vector but rbind treats x as a row-vector, that is: two functions have a different
2003 May 05
1
multcomp and lme
I suppose that multcomp in R and multicomp in S-Plus are related and it appears that it is possible to use multicomp with lme in S-Plus given the following correspondence on s-news sally.rodriguez at philips.com 12:57 p.m. 24/04/03 -0400 7 [S] LME summary and multicomp.default() Is it possible to use multicomp with lme in R and if so what is the syntax from a simple readily available
2003 May 08
0
multcomp and lme (followup)
...________________________________ | | | Dipl.-Stat. Torsten Hothorn | | Institut fuer Medizininformatik, Biometrie und Epidemiologie | | Waldstrasse 6, D-91054 Erlangen, Deutschland | | Tel: ++49-9131-85-22707 (dienstl.) | | Fax: ++49-9131-85-25740 | | Email: Torsten.Hothorn at rzmail.uni-erlangen.de | | Web: http://www.imbe.med.uni-erlangen.de/~hothorn | |_______________________________________________________________________|
2004 Feb 17
2
Generating 2x2 contingency tables
Hello R-users, I would like to generate two-way contingency tables with zero in one cell. I tried to use the function r2dtable but I could not force one cell to have zero value. Any Idea? Best regards.. Mahmoud [[alternative HTML version deleted]]
2000 Oct 23
1
is.integer and rank
Hello, why does > test <- rank(sample(10)) > test [1] 4 8 9 10 2 1 7 6 3 5 > is.integer(test) [1] FALSE > is.double(test) [1] TRUE make sense in R-1.1.1? Torsten -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or
2000 Dec 12
1
r-sync down?
torsten@www:/raid/home/torsten > ping rsync.r-project.org PING franz.stat.wisc.edu (128.105.174.95): 56 data bytes --- franz.stat.wisc.edu ping statistics --- 12 packets transmitted, 0 packets received, 100% packet loss Torsten -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send
2002 Jun 27
1
F90 in packages
Hi, did anybody manage to compile F90 sources in an R-package? The major problem is, at least in my opinion, that non of the "free" F90 -> F77 converters is working correctly, at least for the F90 sources I need to compile. Torsten -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read
2003 Mar 12
1
cex.axis in boxplot (PR#2628)
Hi, the graphical parameter "cex.axis" does not have any affect for "boxplot": data(iris) boxplot(iris[,1:4], ylab="y", cex.lab=2, cex.axis=2) The patch is simply adding "cex.axis" to the search for axis relevant parameters in "bxp": ax.pars <- pars[names(pars) %in% c("xaxt", "yaxt", "las",
2003 Sep 16
1
`var' broken in 1.8.0 alpha (2003-09-15)
Hi, in last nights alpha version, `var' is broken: R> var(rnorm(100)) Error in var(rnorm(100)) : 3 arguments passed to "cov" which requires 4. which I suspect is due to recent changes to `cov'. The same is true for R> cov(rnorm(100), rnorm(100)) Error in cov(rnorm(100), rnorm(100)) : 3 arguments passed to "cov" which requires 4. Best, Torsten R> version
2004 Mar 12
1
plot.dendrogram and expressions
Hi, currently the "label" and "edgetext" attributes of a dendrogram are coerced to character before they are added to a plot with `text'. Is there a specific reason to do so (expect for the determination of the size of the character string to be plotted)? Otherwise one could plot the attributes directly via diff dendrogram.R /usr/src/R/src/library/stats/R/dendrogram.R