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1int
2009 Oct 08
0
glm pairwise interaction coefficients
...o recreate the analysis of the recent Kirwan et al paper in
Ecology [9(80), 2032-2032]. The SAS code is available but am having
troubles getting the R equivalents.
The SAS code is:
*Model 5 - Species-specific interaction coefficients;
PROC GLM; where N=150;
MODEL YIELD=G1 G2 L1 L2 G1INT G2INT L1INT L2INT M / NOINT SOLUTION;
*calculate the pairwise interaction coefficients;
estimate 'g1*g2' g1int 1 g2int 1;
estimate 'g1*l1' g1int 1 l1int 1;
estimate 'g1*l2' g1int 1 l2int 1;
estimate 'g2*l1' g2int 1 l1int 1;
estimate 'g2*l2' g2int 1 l2int 1;
estimate '...