Search Archives
Search tips
from:Name
Search by author name, e.g. from:Duncan Murdoch
"exact phrase"
Match an exact phrase
word1 word2
Match messages containing both words
Date range
Use the date pickers to filter results to a time period
Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.
R-Users -- Is there an R version of the S function agreg() used to split episode data? Thanks, Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Dan Powers Associate Professor, Sociology University of Texas at Austin -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at...
R-list -- I am working with some SPlus code and get the following error Error in terms.default(formula, data = data) : no terms component Can someone point me to a fix? The pasted formula looks ok when printed during the...
R -users Is anyone familiar with the ms function in Splus? I think this is a general optimization tool (i.e., ML estimation). Is there a corresponding function in R? Cheers, Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Dan Powers Associate Professor, Sociology University of Texas...
-- R Help List -- I am looking for a bivariate normal cdf routine in R. I have some fortran routines for this, which appear to be based on 15-point quadrature. Any guidance/suggestions on making these in loadable R-functions...
R-users -- I would like to make a single vector out of something like the following: y0 <- rep(0,100) y1 <- rep(1,20) and stack them one on top of the other to a vector y with length 120...
R -users -- I am new to R and trying to create Jim Lindsay's Nonlinear Regression and Repeated Measures libraries. I have tried R CMD INSTALL file.tgz R says... ERROR: cannot extract package from file.tgz I have also...
-- R-List Can someone tell me how to get fitted values etc. after fitting lmer? for example, from lme, I can fit mod.1 <- lme(....) and get fitted values, coefficients, etc. in this way mod.1$fitted[,1] or mod...
I am missing the Rcmd command needed for installing packages in R. Does anyone know where I can get this? It is not in the usual place with the other R binaries. If there is another way to install packages...
R-users -- I would be interested in tools in R to fit the following gam model: logit(p) = a + f(x1) + f(x2) + f(x1,x2), where f(x1,x2) defines a surface. I have looked into the mgcv library...
R-help -- I built R-2.2.1 in my own directory on a sun (solaris). Now I would like the sysadmin to move the contents to /usr/local/lib and place the binary in /usr/local/bin. No problem...
To R-list -- Does anyone know of an R function that will create split-episode data from single spell event/duration data according to user-defined time intervals? Example: original data t d x ------------ 6 0 x1 5 1 x2...
R-users-- I built R in redhat 5.2. I can't get the text-based help tp work (html help is OK). The message I get is > help() Error in help("help", package = "base", lib.loc = .Library) : The help...
Ralph -- You can do a censored regression with the survival5 library library(survival5) survreg(Surv(y,c), dist="normal") where y is the censored dep-var and c is 1 if observed and 0 otherwise. Cheers, Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Dan Powers Associate...
R-Help -- mvtnorm Thanks. Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Daniel A. Powers, Ph.D. Department of Sociology University of Texas at Austin 1 University Station A1700 Austin, TX 78712-0118 phone: 512-232-6335 fax: 512-471-1748 dpowers at mail.la.utexas.edu...
Georgina -- For the tobit you can try using the survival5 package with dist="gaussian". Other options for dist make this attractive. Cheers, Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Dan Powers Associate Professor, Sociology University of Texas at Austin On Wed, 7 Feb 2001 Georgina.Bermann...
R-users -- I changed the file.tgz files to file_ and tryed the install (on my linux 5.2 and solaris boxes). Here's is what I get (solaris) dahlia{dpowers}52: R CMD INSTALL gnlm_ Installing source package `gnlm...
Meles -- Here are a couple of routines. One computes Aalen's estimate of the cumulative hazard and the other a log-likelihood based on it Cheers, Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Dan Powers Associate Professor, Sociology University of Texas at Austin --snip aalen <- function...
Thanks -- I was trying not to burden the sysadmin with this task, but it seems that it should be done right. Cheers, Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Daniel A. Powers, Ph.D. Department of Sociology University of Texas at Austin 1 University Station A1700...
Ed -- You might check the http://cran.r-project.org/other-docs.html And things on John Maindonald's web page. Cheers, Dan =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Dan Powers Associate Professor, Sociology University of Texas at Austin On Wed, 14 Feb 2001, M. Edward...
Antonio -- You can estimate a linear mixed model with lme in library(nlme). Models typically take a long time to estimate compared to sas proc mixed (but I had a few thousand observations). The nonlinear mixed models can be done...
Can't find what you're looking for? Try searching with Google .