Dear R-helpers I want to express my respect and thankfulness to all of you.
When I tried to follow a draft book on lme4 authored by Prof. Doug. Bates (http://lme4.r-forge.r-project.org/book/) to learn how to fit mixed-effects model, I found I can not execute two functions which listed in the book chapters. -------------------------------------------------------------------------------------------------------------------- For example, in the Chapter 1 of that book there are two lines of R code, which are: env(fm1ML)$Lambda # page 14 pr1 <- profile(fm1ML) # page 16 I got "there is no "env" function in R" and "error: UseMethod("profile") : "profile" can not find the available methods for the object "mer"" -------------------------------------------------------------------------------------------------------------------- I need to know how can I execute these functions properly in my PC. Thanks for your helps and advice in advance. Following is my system info. -------------------------------------------------------------------------------------------------------------------- > R.version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 10.1 year 2009 month 12 day 14 svn rev 50720 language R version.string R version 2.10.1 (2009-12-14) Jian-Feng, Mao the Institute of Botany, CAS Beijing, China ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.