I need help with gls{nlme}.
Specifically, I am estimating an equation with AR(1) using
maximum-likelihood. I am not understanding the correlationoption below.
Help appreciated.
===
library(nlme)
eq1<-log(chnimp)~log(chempi)+log(gas)+log(rtwex)+befile6+
affile6+afdec6
reg1<-gls(eq1,data=mydata,correlation=corAR1(),method="ML",verbose=T)
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