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Portable Network Graphic  |  1988-02-06  |  51KB  |  816x1056  |  8-bit (256 colors)
Labels: hakham | reckoner | sky
OCR: Two-tail Fisher's Exact Test One of the specialties of Fish6 is the ability to true two-tail tests with the maximum power. This entails finding the total probal bility all possible outcomes with likelihood ratio less than or equal to the one observed If life were perfectly symmetrical, then the two-tail probability would be simply double the one-tail value However situations reguiring Fisher's Exact Test frequently generate asymmetrical distributions Fish6 goes great deal of effort to get this right. It turns out that the likelihood ratio for given table iS proportional to: AA BBCCDD, where A,B and D are the members of the table requiring likelihooo