Still a complete mess! Post in **plain text**. This should be an option in your email software. Please seek local help if you cannot figure out how to do this.
-- Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Tue, Nov 14, 2017 at 12:49 PM, Fix Ace via R-help <r-help@r-project.org> wrote: > Hi, David, > Thank you very much for getting back to me! Sorry about the messy code > example. I am re-posting here (including the error message): > > example.3=data.frame(levels=as.numeric(XXX[,c(4)]), > replicate=rep(c("0","1","2","3","4","5"),3),conditions=c( > rep("11",6),rep("12",6),rep("13",6)))> example.3 levels replicate > conditions1 43.1111 0 112 42.0942 1 113 > 57.8131 2 114 57.1726 3 115 77.8678 > 4 116 44.7578 5 117 69.5078 0 > 128 52.0581 1 129 40.0602 2 1210 45.5487 > 3 1211 43.6201 4 1212 60.4939 5 > 1213 64.1932 0 1314 53.4055 1 1315 > 59.6701 2 1316 52.6922 3 1317 53.8712 > 4 1318 60.2770 5 13> m.example.3=lmer(as.numeric( > levels)~conditions+(conditions|replicate),data=example.3)Error: number of > observations (=18) <= number of random effects (=18) for term (conditions | > replicate); the random-effects parameters and the residual variance (or > scale parameter) are probably unidentifiable> > Please let me know if it is readable this time. > Again, many thanks for your time and please help me fix the issue. > Kind regards, > Ace > > On Tuesday, November 14, 2017 12:19 PM, David Winsemius < > dwinsem...@comcast.net> wrote: > > > > > On Nov 14, 2017, at 5:13 AM, Fix Ace via R-help <r-help@r-project.org> > wrote: > > > > Dear R Community, > > My data have 3 conditions and each condition has 6 replicates. I am > trying to fit my data for a linear mixed model using the lmer function from > lme4 package to find the random effects of the replicates; > > Better venue for this question might be SIG-mixed-models. See the link > avaialble at the bottom of every posting from rhelp: > > https://stat.ethz.ch/mailman/listinfo/r-help: > > > > > however, I got the error message. Here are the example codes: > >> example.3=data.frame(levels=as.numeric(XXX[,c(4)]), > replicate=rep(c("0","1","2","3","4","5"),3),conditions=c( > rep("11",6),rep("12",6),rep("13",6)))> example.3 levels replicate > conditions1 43.1111 0 112 42.0942 1 113 > 57.8131 2 114 57.1726 3 115 77.8678 4 > 116 44.7578 5 117 69.5078 0 128 > 52.0581 1 129 40.0602 2 1210 45.5487 3 > 1211 43.6201 4 1212 60.4939 5 1213 > 64.1932 0 1314 53.4055 1 1315 59.6701 2 > 1316 52.6922 3 1317 53.8712 4 1318 > 60.2770 5 13> m.example.3=lmer(as.numeric( > levels)~conditions+(conditions|replicate),data=example.3)Error: number of > observations (=18) <= number of random effects (=18) for term (conditions | > replicate); the random-effects parameters and the residual variance (or > scale parameter) are probably unidentifiable> > > Could anyone help me figure out how to fix the issue? > > Thank you very much for any inputs! > > Ace > > > > [[alternative HTML version deleted]] > > Complete mess. If you haven't yet been advised to posting in plain text, > then this should be your wakeup call. If you have, then why are you > ignoring sensible advice? > > > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > 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. > > David Winsemius > Alameda, CA, USA > > 'Any technology distinguishable from magic is insufficiently advanced.' > -Gehm's Corollary to Clarke's Third Law > > > > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.