> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:r-help- > [EMAIL PROTECTED] On Behalf Of Thilo Kellermann > Sent: Monday, July 17, 2006 9:57 AM > To: [email protected] > Subject: [R] Variance functions in package nlme > > Dear R-help, > > I am trying to set up linear mixed effects models in R using the > (recommended) > nlme package (R version 2.3.1 on a Linux platform). When trying to > reproduce > an example from Jose Pinheiro & Douglas Bates (2000, p 210) I get the > following error message (code to produce message pasted as well): > > library("nlme") > data("Orthodont") > vf1Ident <- varIdent( c(Female = 0.5), form = ~ 1 | Sex ) > vf1Ident <- initialize(vf1Ident, Orthodont) > Error in getClass(Class) : c("\"varIdent\" is not a defined class", > "\"varFunc\" is not a defined class") > In addition: Warning message: > the condition has length > 1 and only the first element will be used in: > if > (!is.na(match(Class, .BasicClasses))) return(newBasic(Class, > > Can anybody give me a hint, what's going wrong here? > Thanks a lot, > > Thilo
I believe the function initialize() has been renamed Initialize() in R. Hope this helps, Dan Daniel J. Nordlund Research and Data Analysis Washington State Department of Social and Health Services Olympia, WA 98504-5204 ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
