[R-sig-ME] coding a certain model
Shin.Lin at uphs.upenn.edu
Wed Nov 12 03:31:25 CET 2008
Does anyone know how to code the following?
As on page 162 of Mixed Effects Models in S and S-Plus by Pinheiro and Bates with the same b_i** and PSI** but with W_i =
1 1 0 0 1
1 0 1 0 Kronecker product 1
1 1 1 1 1
The difference is in the last row of the 3x4 matrix.
Granted, it's a weird model, but this situation actually mimics a biological scenario. I'm guessing that the solution, if there is one, would be in the manipulation of the groupedData object (Oats in this case).
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