Hi...
Can someone please explain to me what this error message means?
It only appears if I include the correlation= part, but I have no idea why.
Thanks,
Joe
> ARModel <-lme(Life_Satisfaction ~Time, data = restructuredData, random =
> ~Time|Person, method = "ML", na.action = na.exclude, control =
> list(opt="optim"),correlation = corAR1(0, form = ~Time|Person))
Error in structure(res, levels = lv, names = nm, class = "factor") :
'names' attribute [323] must be the same length as the vector [0]
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