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ordinalTables (version 1.0.0.3)

McCullagh_quasi_symmetry: Fits McCullagh's (1978) quasi-symmetry model.

Description

McCullagh, P. (1978). A class of parametric models for the analysis of square contingency tables with ordered categories. Biometrika, 65(2) 413-418.

Usage

McCullagh_quasi_symmetry(n, max_iter = 15, verbose = FALSE)

Value

a list containing phi: symmetry matrix alpha: vector of asymmetry parameters chisq: Pearson chi-square value df; degrees of freedom

Arguments

n

matrix of observed counts

max_iter

maximum number of iterations in maximizing log(likelihood), Default is 15.

verbose

should cycle-by-cycle information be printed out? Default is FALSE, do not print

Examples

Run this code
McCullagh_quasi_symmetry(vision_data)

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