similar to: Update.packages() seems to just stop

The above came with V1.2.3, but don't seem to be included with V1.3.0. When I upgraded R, I assumed they would also come with the new version, so didn't save them elsewhere. Could someone please email them to me, or tell me where I could get hold of them? Many thanks in advance. ****************************************************************************************** * Dr.

Applying advice received from this helpline, I got the following warning message > library(foreign) Warning message: Package `foreign' contains no R code in: library(foreign) > search() [1] ".GlobalEnv" "package:foreign" "package:ctest" "Autoloads" [5] "package:base" Is this a usual warning message? Please explain

It was suggested to me that, although I've installed version 1.3.0 of R, the contained foreign package won't be the most recent. Hence, it's worth using update.package(). However, when I did that, I got the following log file: > options(CRAN="http://cran.us.r-project.org/") > update.packages() trying URL

I am trying to read in a large SAS dataset (1706 observations, 72 variables) using the foreign package. R crashes, with the error message "This program has performed an illegal operation and will be shut down." The details given include "RGUI caused an invalid page fault in module FOREIGN.DLL at 015f:14c327e7." Bearing in mind the statement on p.2 of the R Data

Dear list, I need to convert this data.frame > names(codesM) [1] "key" "AMR.pa1.M" "AMR.pa2.M" "AMR.pa3.M" "AMR.pa4.M" [6] "AMR.pa5.M" "AMR.pa6.M" "AMR.pa7.M" "AMR.pa8.M" "AMR.pa9.M" [11] "AMR.pa10.M" "AMR.ta1.M" "AMR.ta2.M" "AMR.ta3.M"

Doea anyone know how to compute components of variance analysis? For example, I have the score of pupils on a test. Each pupil belongs to a school and within each school I may have several classes? How can I estimate the variance of the pupils, schools, classes and the errror variance? Any examples? Any help will be appreciated. Jason Dr. Iasonas Lamprianou Department of Education The

Dear colleagues, i am carrying out an ordinal regression model. I try it on SPSS but I "flirt" with R as well. I have a few questions. 1. What is the most reliable/tested/trusted package for ordinal regression in the R world? 2. Also, I have a statistical question. What is the danger of having to many 'empty cells' in ordinal regression? How many empty cells are too many? Do

Dear all, I am looking for ways to compute standardized logistic regression coefficients. I found papers describing at least 6 different ways to standardize logistic regression coefficients. I also found a very old (Thu May 12 21:50:36 CEST 2005) suggestion by Frank E Harrell (one of the colleagues who frequently contribute on this list) saying... Design doesn't implement those because they

Dear all I have a factor variable which holds values like "Engineer", "Doctor", "Teacher" etc. I would like to collapse those categories so that Teachers and Sociologists form one category named "Teach & Soc" etc. However, I do not know how I can do it. Recoding does not seem to work. Thank you Dr. Iasonas Lamprianou Assistant Professor

Dear all, i have spent a lot of time trying to solve this problem, but I am sure that there must be a simple solution. So, as a last resort, I am coming back to you again. I have a dataset with some (almost random) values in many variables. Lets say that the dataset represents the scores of students to test questions. What I need to do is to sum the scores for each student. However, wherever

Dear colleagues can somebody help me by showing how we can compute m-estimators in R? thanks Dr. Iasonas Lamprianou Assistant Professor (Educational Research and Evaluation) Department of Education Sciences European University-Cyprus P.O. Box 22006 1516 Nicosia Cyprus Tel.: +357-22-713178 Fax: +357-22-590539 Honorary Research Fellow Department of Education The University of Manchester

hi all, is there a cd-rom image with a full R pre-installation which I can give to my students so that if they want to run R on their computer, they will be able to run it from the cd-rom without having to install it on their computer. That way, they can have a 'protable' R package installation in their bags, and they can use it on any machine. Is this possible? Dr. Iasonas Lamprianou

Hi, there I have a loop that is producing data, but is also generating an error message that I can't understand. Here's the loop and the error message: > bio<-matrix(NA, ncol=9, nrow=366) > W<-NULL > M<- length(Day) #number of days iterated > > for (i in 1:M) + { + + + if (Day[i]==1) W[i] <- Wo else W[i] <- (W[i-1]+(Gr[i]/Ef)) + + + C<-

Dear all I have found that the two "equivalent" commands do not produce the same results. 1. (I wrote this command by hand, this is what I would do usually) >summary(aov(eduyrs ~ cntry * edf, data=ESS1)) Df Sum Sq Mean Sq F value Pr(>F) cntry 1 257 256.65 21.2251 4.243e-06 *** edf 4 11010 2752.42 227.6296 <

Dear All, I am experiencing a difficulty with the "lsoda" function in ODESOLVE library; my differentiation function contains a covariate changes with time, and I don't know how to incorporate that without using loops and so on. Does anyone know how to do it? Your help will be very much appreciated!! In-Sun In-Sun Nam School of Pharmacy and Pharmaceutical Sciences University of

Has anyone had any success running ChromiumOS as a VM under libvirt and can provide, or point me to, a set of instructions for getting it to work? I've tried and get as far as the white boot screen with the Chromium logo, but the VM just hangs there. Regards, Tony. -- Tony Arnold MBCS, CITP | Senior IT Security Analyst | Directorate of IT Services | Desk 51, Office 2, Kilburn Building | The

Hi, Thank you so much for all your rapid answers. I am impressed. What i didn't know was that i have to assign my data to an object to work further on. It was not clear from the help (at least for me) that 'data()' itself is calling data already in R packages. All of you make that clear. Now, if you can suggest any good package to use for identifying outliers it will be great

Hi, there I am a graduate student new to coding in S who is hitting a bit of a wall at present using an "optim" function. I am running into some troubles, and was hoping someone might be able to recognize where I am going wrong. As background: I have constructed a loop that carries out a 365-day calculation for a mass-balance model. Basically, the model depends on 2 variables (p,

Hi all, does anyone have any practical examples of how this command can be used in prettyR? add.value.labels(x,value.labels) I mean, can we have the SPSS style of using numbers and/or labels if we want to? Thank you for your time Jason Dr. Iasonas Lamprianou Assistant Professor (Educational Research and Evaluation) Department of Education Sciences European University-Cyprus P.O. Box 22006

Dear all, I am doing a social network analysis using ergm. I import a rectangular matrix of data and then I build a network using the following command: ng <-network(mat,directed=FALSE) I then attach vertex names using commands like this: set.vertex.attribute(ng,"SchoolType",mSchType) where SchoolType can take six different/unique values. Then, I run ergm models successfully using