Some results on step-up tests for comparing treatments with a control in unbalanced one-way layouts
Some results on step-up tests for comparing treatments with a control in unbalanced one-way layouts
The basic problem is to compare several treatments with a control in the standard unbalanced one-way layouts. Step-up tests were considered by Dunnett and Tamhane (1995, Biometrics 51, 217-227). In this paper, a method of calculating the critical values of step-up tests is proposed so that the Type I familywise error (FWE) is controlled at a prespecified level ?. It is also pointed out that the equivalence of a step-up test and the test based on the correspondingly adjusted p-values requires implicitly a monotone property. A practical example is used for illustration.
1508-1512
Liu, Wei
b64150aa-d935-4209-804d-24c1b97e024a
1997
Liu, Wei
b64150aa-d935-4209-804d-24c1b97e024a
Liu, Wei
(1997)
Some results on step-up tests for comparing treatments with a control in unbalanced one-way layouts.
Biometrics, 53 (4), .
Abstract
The basic problem is to compare several treatments with a control in the standard unbalanced one-way layouts. Step-up tests were considered by Dunnett and Tamhane (1995, Biometrics 51, 217-227). In this paper, a method of calculating the critical values of step-up tests is proposed so that the Type I familywise error (FWE) is controlled at a prespecified level ?. It is also pointed out that the equivalence of a step-up test and the test based on the correspondingly adjusted p-values requires implicitly a monotone property. A practical example is used for illustration.
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Published date: 1997
Organisations:
Statistics, Mathematical Sciences
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Local EPrints ID: 30093
URI: http://eprints.soton.ac.uk/id/eprint/30093
PURE UUID: c2f615f0-bd04-4f9e-a732-e8795e0a4d26
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Date deposited: 14 Mar 2007
Last modified: 08 Jan 2022 02:37
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