Re: [R] Error message in gamm. Problem with temporal correlation structure

rrelation = corARMA(form =~ > Year|Tillage/Block, p = 1, q = 0)) > > [I've assumed that the mapping between this message and the data you > sent off list is DepVar=H, Treatment=Tillage] > > best, > Simon > > > On 17/02/12 09:35, HERNANDEZ PLAZA, MARIA EVA wrote

[R] Error message in gamm. Problem with temporal correlation structure

HELLO ALL, I AM GETTING AN ERROR MESSAGE WHEN TRYING TO RUN A GAMM MODEL LIKE THE ONE BELOW. I AM USING R VERSION 2.14.1 (2011-12-22) AND MGCV 1.7-12. M1 <-gamm(DepVar ~ Treatment + s(Year, by =Treatment), random=list(Block=~1), na.action=na.omit, data = mydata, correlation = corARMA(f