Consider marginal homogeneity for an I I table. a. Letting F() = A, explain how (i)
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Consider marginal homogeneity for an I × I table.
a. Letting F(π) = Aπ, explain how (i) F(π) = 0, where A has I – 1 rows, and (ii) F(π) = Xβ, where A has 2(I – 1) rows and β has I – 1 elements. In part (ii), show A, π, X, β when I = 3.
b. Explain how to use WLS to test marginal homogeneity. [This is Bhapkar’s test (10.16).]
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i When F 0 this means that the matrix A has I1 rows and the vector has I elements The equation F 0 c...View the full answer
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