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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Stat Methods Appt. 2011 Mar 1;20(1):83–100. doi: 10.1007/s10260-010-0150-z
I : W1i = Ii + eij, W2i = 0, and σV2=0;
II : W1i = Ii + Sitij + eij, W2i = 0, and σV2=0;
III : W1i = Ii + Sitij + eij, W2i = 0;
IV : W1i = Ii + Sitij + eij, W2i = γ1Ii;
V : W1i = Ii + Sitij + eij, W2i = γ1Ii + γ2Si;
VI : W1i = Ii + Sitij + eij, W2i = γ1Ii + γ3 log(Vi);
VII : W1i = Ii + Sitij + eij, W2i = γ1Ii + γ2Si + γ3 log(Vi);