Re: [R] How to extract parameter estimates of variance function from lme fit

2010-10-15 Thread Hoai Thu Thai
Thank you Henrique!! It works. Thu Le 15/10/2010 16:53, Henrique Dallazuanna a écrit : coef(fm$modelStruct$varStruct, uncons = FALSE) __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide

Re: [R] How to extract parameter estimates of variance function from lme fit

2010-10-15 Thread Henrique Dallazuanna
Try this: coef(fm$modelStruct$varStruct, uncons = FALSE) On Fri, Oct 15, 2010 at 11:42 AM, Hoai Thu Thai wrote: > Dear R-Users, > > I have a question concerning extraction of parameter estimates of variance > function from lme fit. > > To fit my simulated data, we use varConstPower ( constant pl

[R] How to extract parameter estimates of variance function from lme fit

2010-10-15 Thread Hoai Thu Thai
Dear R-Users, I have a question concerning extraction of parameter estimates of variance function from lme fit. To fit my simulated data, we use varConstPower ( constant plus power variance function). fm<-lme(UPDRS~time,data=data.simula,random=~time,method="ML",weights=varConstPower(fixed=li