Please post this to r-sig-mixed-models instead. Or, better yet, consult your local statistician, as your question indicates a profound lack of understanding that may require more back and forth discussion than can occur on an internet help site.
-- Bert On Thu, Nov 17, 2011 at 5:36 AM, arunkumar1111 <akpbond...@gmail.com> wrote: > Hi > > How to include a factor or class variable to a fixed effect of lmer > function. when i included it throws an error. Please help > > My code > > data <- read.delim("C:/TestData/data.txt") > > Mon=as.factor(data$Month) > > lmerform= "Y~ X2 +X3 + Month:Mon + (1|State)+ (1+ X5|State)" > lmerfit=lmer(formula=lmerform,data=data) > summary(lmerfit) > > My data > > State Year Month Y X2 X3 X4 X5 X6 > GA 1960 1 27.8 397.5 42.2 50.7 78.3 65.8 > FA 1960 2 29.9 413.3 38.1 52 79.2 66.9 > GA 1961 3 29.8 439.2 40.3 54 79.2 67.8 > FA 1961 4 30.8 459.7 39.5 55.3 79.2 69.6 > GA 1962 1 31.2 492.9 37.3 54.7 77.4 68.7 > FA 1962 2 33.3 528.6 38.1 63.7 80.2 73.6 > GA 1963 3 35.6 560.3 39.3 69.8 80.4 76.3 > > > -- > View this message in context: > http://r.789695.n4.nabble.com/how-to-include-a-factor-or-class-Variable-tp4079991p4079991.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.