Hi Antonella,
It could be that the optimization procedure of the log-likelihood fails
with your data, or that this procedure tries some values of lambda that
return an error in your situation.
You may try to fit successive models with different values of lambda,
and select the model with the
dear all,
like kari allen in june 2011, i am trying to "to run Pagels GLS in R and I have
consistently encountered
an error message (see script and error message below). When I fix the
lambda value to 0 or 1, I do get a result, but when I let lambda vary
(ie. set "fixed=F" instead of "fixed=T"),
Hi all,
I am trying to run Pagels GLS in R and I have consistently encountered
an error message (see script and error message below). When I fix the
lambda value to 0 or 1, I do get a result, but when I let lambda vary
(ie. set "fixed=F" instead of "fixed=T"), I get an error message. I
believe thi