Re: [R] Re: nlme: Deficient rank in gls_loglik when creating corAR1()
I tried that but it didn't make any difference to the output. David On 04/05/05, Douglas Bates [EMAIL PROTECTED] wrote: David Hugh-Jones wrote: Is this a bug? Should I attach a test case? Try setting verbose=TRUE in the call to gls first and see if that gives you any insight into what is happening. D On 03/05/05, David Hugh-Jones [EMAIL PROTECTED] wrote: I have a bunch of data which is structured by year and US state, so I have created a nlme groupedData object for it: formula(gd2) DEPVAR ~ YEAR | ABREV Now I am trying to run a gls regression on it. I want the error correlation structure to be AR1 with a different rho for each state, so I do mdyn.1.1 = gls(model = DEPVAR ~ BLAH + BLAH, data=gd2, corr=corAR1(form= ~ YEAR | ABREV),na.action=na.omit) YEAR and ABREV are always present; DEPVAR is absent for one state. I get the following error message: Error in logLik.glsStruct(glsSt, glsPars) : Deficient rank in gls_loglik Can anyone enlighten me? The error message goes away if I just do corAR1(form = ~1), but this is not meaningful for my data. Cheers David __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
[R] Re: nlme: Deficient rank in gls_loglik when creating corAR1()
Is this a bug? Should I attach a test case? D On 03/05/05, David Hugh-Jones [EMAIL PROTECTED] wrote: I have a bunch of data which is structured by year and US state, so I have created a nlme groupedData object for it: formula(gd2) DEPVAR ~ YEAR | ABREV Now I am trying to run a gls regression on it. I want the error correlation structure to be AR1 with a different rho for each state, so I do mdyn.1.1 = gls(model = DEPVAR ~ BLAH + BLAH, data=gd2, corr=corAR1(form= ~ YEAR | ABREV),na.action=na.omit) YEAR and ABREV are always present; DEPVAR is absent for one state. I get the following error message: Error in logLik.glsStruct(glsSt, glsPars) : Deficient rank in gls_loglik Can anyone enlighten me? The error message goes away if I just do corAR1(form = ~1), but this is not meaningful for my data. Cheers David __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
Re: [R] Re: nlme: Deficient rank in gls_loglik when creating corAR1()
David Hugh-Jones wrote: Is this a bug? Should I attach a test case? Try setting verbose=TRUE in the call to gls first and see if that gives you any insight into what is happening. D On 03/05/05, David Hugh-Jones [EMAIL PROTECTED] wrote: I have a bunch of data which is structured by year and US state, so I have created a nlme groupedData object for it: formula(gd2) DEPVAR ~ YEAR | ABREV Now I am trying to run a gls regression on it. I want the error correlation structure to be AR1 with a different rho for each state, so I do mdyn.1.1 = gls(model = DEPVAR ~ BLAH + BLAH, data=gd2, corr=corAR1(form= ~ YEAR | ABREV),na.action=na.omit) YEAR and ABREV are always present; DEPVAR is absent for one state. I get the following error message: Error in logLik.glsStruct(glsSt, glsPars) : Deficient rank in gls_loglik Can anyone enlighten me? The error message goes away if I just do corAR1(form = ~1), but this is not meaningful for my data. Cheers David __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
