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J Biopharm Stat. 1991;1(2):237-45.

A confidence interval for the ratio of treatment variances in a two-by-two crossover study.

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1
Janssen Research Foundation Inc., Piscataway, New Jersey 08855.

Abstract

The distance between two variances is usually measured using the ratio, and a confidence interval for this ratio can be used to measure its magnitude. For a two-by-two crossover study, special considerations must be made because the observations for any subject are correlated. Here a confidence interval for the ratio of the treatment variances in a two-by-two crossover study is presented.

PMID:
1844699
DOI:
10.1080/10543409108835021
[Indexed for MEDLINE]
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