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I've encountered something that didn't arise using earlier versions of R (Linux). A dataframe is created and new columns added to it by doing calculations using apply with various functions on some of the original columns. It's somewhat too involved to give a toy example that's reproducible. However, the resulting phenemonon can be characterised by the following: Browse[1]>

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I would like to do a logistic multiple regression on a binary variate, with what Genstat calls an offset, ie a regression variable with the coefficient constrained=1. I'm far from home and have Splus but not R here, but any information from either source would be very welcome. I'd hate to have to go back to using Genstat . . . Thanks, Ted. --------------- Dr E.A. (Ted) Catchpole

Hello, I want to create a flexible code for the following example: In stead of using a different code for each n (as in my example below), I want to write a general code for every n (n from 1 to 10). I tried a lot of things, but I always got stuck with the number of subloops or witch closing the brackets. Any suggestions? Cheers, Peter Department of Mathematics and Statistics

Shifting from a v2 samba server to v3 - Read documentation and googled LOTS but can't seem to find the bits that apply to my simple(?) server with regards to groups. # rpm -qi samba Version : 3.0.28 Vendor: Red Hat, Inc. Release : 1.el5_2.1 Source RPM: samba-3.0.28-1.el5_2.1.src.rpm Samba on server (Red Hat Enterprise Linux 5.2) IS MOSTLY WORKING... home directories

Hi, I am looking for a way to randomly extract a specified number of rows from a data frame. I was planning on binding a column of random numbers to the data frame and then sorting the data frame using this bound column. But I can't figure out how to use this column to sort the entire data frame so that the content of the rows remains together. Does anyone know how I can do this? Hints

Hi all, I would like to ask a question related to Kendall package. I ran Kendall (x,y) and saw the results. But I am not sure which tau values R reported. I have ties in my data set, so I want tau-b. Can anybody tell how Kendall package is calculating tau values? I have looked at the package PDF, but I could not find any useful information. As long as I see from the following link, there

I'll be teaching a graduate course on (the analysis of) experimental designs next year, using R. Does anyone know of a suitable textbook? (Venables and Ripley MASS Ch6 on Linear Models covers roughly the right material, but at a level that is way too difficult for my students.) Sorry if this has been asked before. I've looked through the archives and found Julian Faraway's book, but

There appears to be a bug in the R xfig() driver. When I run a simple example, eg > data(InsectSprays) > boxplot(count ~ spray, data = InsectSprays, col = "lightgray") the boxplot is fine. Doing the same thing after > xfig(file='test.fig') and then opening in Xfig (ver3.2 patchlevel 2) on my Linux box produces boxplots where the boxes, although correctly shaded in,

There appears to be a bug in the R xfig() driver. When I run a simple example, eg > data(InsectSprays) > boxplot(count ~ spray, data = InsectSprays, col = "lightgray") the boxplot is fine. Doing the same thing after > xfig(file='test.fig') and then opening in Xfig (ver3.2 patchlevel 2) on my Linux box produces boxplots where the boxes, although correctly shaded in,

[cc'ed back to r-help] I've started to take a look, and there's nothing immediately obvious about the problem with the fit (the warnings and errors are about a "non-positive-definite Hessian", which usually means an overfitted/poorly identified model) -- still working on whether there's a way to get more useful information. As it turns out, glmmADMB's default

Hello Volker, Thank you for the reply. I've seen your name mentioned several times against this topic :-) >What effect do you have in mind exactly? Read/write is done >asynchronously these days without that module as long as the >build detected pthreads. This is the thing... it looks like the Debian packages (stable + back port) are built without the --with-aio-support (at least

Hello list, I am looking to enable samba aio on my Wheezy test box (I have version 4.1.17 from back ports). The output of smbd -b shows that the stable packages for my distro are not compiled using --with-aio-support. It appears that without recompiling I can use vfs objects = aio_pthread to achieve a similar effect? I'm aware that this somewhat dips into Debian specifics, but I figured

It is possible to tunnel various protocols - NNTP, FTP, HTTP etc thru SSH. Is it possible to do the same using SMB? TIA, Alex. -------------------- Mr Alex Meaden Computer Science Undergraduate University of Kent at Canterbury aejm1@meaden.dyndns.org http://meaden.dyndns.org/

Hi I'm study at University of Canterbury. Now, We have one project use R to do time series. The problem is I don't know how to use R to draw time series graph! Can you help me sovle this problem? I can not find in manuals book! Can you tearch me what fuction command I have to use? Thanks alway! Sam

Dovecot (0.9.11) consumes 100% CPU utilisation when accessing (either pop or imap) one of my mailboxes. It doesn''t happen with other mailboxes. The mailbox has about 500 mails while others have many more. They are all in mbox format. OS: OpenBSD-3.5 with all patches MTA: Sendmail-8.12.11 It happened with other RCs of dovecot-0.9.11 Configured as: ./configure --without-pam

http://dovecot.org/rc/ Changes since rc1: + Create PID file in /var/run/dovecot/master.pid - THREAD and SORT commands crashed with some mails If nothing new comes up, this is the final release tomorrow. -------------- next part -------------- A non-text attachment was scrubbed... Name: PGP.sig Type: application/pgp-signature Size: 186 bytes Desc: This is a digitally signed message part URL:

Function/file names are hypothetical. Say I have written myfunction.R, which calls myfunction.c via .C("myfunction", ...). I've compiled successfully myfunction.c via R CMD SHLIB myfunction.c in the terminal. Then, in the R console: dyn.load("myfunction.so") source("myfunction.R") test <- myfunction() # works fine So everything is in order, myfunction works

Andy, Thanks. Note that DeVeaux's book, at www.williams.edu/Mathematics/rdeveaux/book/book.html, is marked "For use only by students of Math 244 Spring 2001, Williams College" and "DRAFT: do not distribute or copy". Ted. Dr E.A. Catchpole School of Maths & Stats University College, UNSW Institute of Maths & Stats Australian Defence Force Academy

Dear all I am trying to create a list of all objects created over the course of a function. To wit: foo <- function(x){ first <- x*(1:8) second <- matrix(x*(1:16), ncol = 4) third <- 1:x list(x=x, first=first, second=second, third=third) } foo(5) No worries there. However, in the search for typing efficiency I wondered if it would be possible to use list(ls()) in