odds.ratio

0th

Percentile

or

The generalized odds ratio is a measure of the handedness of a cyclic competition graph.

Keywords
array
Usage
odds.ratio(x)
Arguments
x
matrix with one degree of freedom, coerced to a board
Details

The generalized odds ratio is the product of the odds ratios of the edges in a cyclic competition graph.

In the two-by-two case, the maximum likelihood estimatore of the odds ratio is just $a[1,1]*a[2,2]/a[1,2]/a[2,1]$. The generalization to larger boards with exactly one degree of freedom is immediate: it is just the product of the entries on the diagonal, divided by the product of the off-diagonal elements.

Ranking permissable tables in order of increasing odds ratio thus orders the sample space and allows one to perform one-sided tests.

See Also

pval.1dof

Aliases
  • odds.ratio
Examples

data(gear)
odds.ratio(gear)

aylmer.test(gear)
aylmer.test(gear,alternative="less")
aylmer.test(gear,alternative="greater")

Documentation reproduced from package aylmer, version 1.0-11, License: GPL-2

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