No, Sarah. na.action must be a function, not a character string. But you're close: there is no na.include function, as the message says. It should be na.exclude .
Cheers, Bert Bert Gunter "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." -- Clifford Stoll On Mon, Jul 13, 2015 at 7:35 AM, Sarah Goslee <sarah.gos...@gmail.com> wrote: > On Mon, Jul 13, 2015 at 3:04 AM, Patty Haaem via R-help > <r-help@r-project.org> wrote: >> Dear All,I am trying to fit one compartment IV bolus model on >> pharmacokinetic data using phenoModel function in nlme package, based on a >> tutorial entitled "Development of population PK model using R- Case study >> I". The codes are as fallowing: >> library(nlme)mydata.grp <- groupedData(CONC~TIME|CID,data=mydata)mydata.fit >> < >> -nlme(CONC~phenoModel(CID,TIME,AMT,lCl,lV),fixed=lCl+lV~1,random=pdDiag(lCl+lV~1), >> >> data=mydata.grp,start=c(-5,0),weight=varConstPower(const=1,fixed=list(power=1)),na.action=na.include,naPattern=~!is.na(CONC)) >> when I run above codes, I get the following error:Error in nlme.formula(CONC >> ~ phenoModel(CID, TIME, AMT, lCl, lV), fixed = lCl + : object >> 'na.include' not found >> could you please tell me, how should I correct the codes?Thanks in >> advanceElham Haem > > > First, you should not post in HTML. > > Second, you should put the argument in quotes: > > na.action="na.include" > > > Sarah > > >> >> >> [[alternative HTML version deleted]] >> > > -- > Sarah Goslee > http://www.functionaldiversity.org > > ______________________________________________ > 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. ______________________________________________ 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.