Dear list members
I have data from a series of Cabinet trials and am wondering if
AR-style spatial modelling is going to be appropriate/feasible for my
situation.
Within each trial there are four tanks, with 77 plants in pots
placed in each tank in a 9 x 17 "checkerboard" pattern:
O O O O O O O O O
O O O O O O O O
O O O O O O O O O
O O O O O O O O
O O O O O O O O O
O O O O O O O O
O O O O O O O O O
O O O O O O O O
O O O O O O O O O
Does anyone know whether an AR*AR spatial model for each Tank in
ASREML could reasonably cope with such a pathological pot layout,
assuming the dataset is appropriately augmented with missing values
for the unused row-column combos? Would some other correlation
structure be more appropriate?
Thanks,
Alec Zwart
Received on Mon Aug 09 2007 - 16:44:58 EST
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