Refer to the homogeneous linear-by-linear association model (9.10). a. Show that the likelihood equations are, for all

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Refer to the homogeneous linear-by-linear association model (9.10).

a. Show that the likelihood equations are, for all i, j, and k,

b. Show that residual df = K(I €“ 1) (J €“ 1) €“ 1.

c. When I = J = 2, explain why it is equivalent to (XY, XZ, YZ).

d. Show how the last likelihood equation above changes for heterogeneous linear-by-linear XY association (9.11). Explain why, in each stratum, the fitted XY correlation equals the sample correlation.

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Categorical Data Analysis

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Authors: Alan Agresti

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Refer to the homogeneous linear-by-linear association model (9.10). a. Show that the likelihood equations are, for all

Question:

ΣΣυ +-ΣΣυpnην- pΠ, β-njks ΣΣυ hη-- ΣΣu,υ,mg+. p-n+k, μik

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a These equations are obtained successively by differentiating with respect to XZ YZ and Note these ...View the full answer

Categorical Data Analysis

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