Hello everyone,
Please I am running a bivariate model on weight measurements taken at different periods on same animal. How can I choose the appropriate variance structure that best fits the data and the model from the two listed below? Thanks for your assistance
#1
wt1 wt2~ Trait Trait.group !r Trait.animal
121
0 0 ID
Trait 0 US 0.1 0.3 0.5 !GP
Trait.animal 2
Trait 0 US 0.01 0.03 0.06 !GP
animal
#2
wt1 wt2~ Trait Trait.group !r Trait.animal
121
0 0 ID
Trait 0 AR1 0.2
Trait.animal 2
Trait 0 US 0.01 0.03 0.06 !GP
animal
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Received on Thu Mar 11 2009 - 17:52:34 EST
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