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striptime
2009 Sep 14
0
invalid type (list) for variable
...actor terms; I cannot, however, figure
out how to add interactions between continuous*factor terms. I applied
a smoother to my continuous term because it has a non-linear trend
over time. Below is an example of my attempt, followed by the error
message:
MMF.Test <- gamm(MaxDepth ~
s(TripTime) + Trtmt +
s(TripTime):Trtmt,
random = list(Seal =~1), method = "REML",
data = EsealsAll)
"Error in model.frame.default(formula = MaxDepth ~ Trtmt +
s(TripTime):Trtmt + :
invalid type (list) for variable 's(TripTime)'
In addition: Warn...