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Confidence intervals on the intraclass correlation in the unbalanced one- way classification. (English) Zbl 0613.62046
Several methods are compared for constructing confidence intervals on the intraclass correlation coefficient in the unbalanced one-way classification. The results suggest that a conservative approximation of the exact procedure developed by A. Wald [A note on analysis of variance with unequal class frequencies. Ann. Math. Stat. 11, 96-100 (1940)] can be used for hand calculations. When the exact solution is desired, a solution procedure is recommended that is computationally convenient and allows the investigator to determine the precision of the estimate. In cases where a prior estimate of the correlation is available, researchers may select intervals based on either the analysis of variance or unweighted sums of squares estimator.

62F25 Parametric tolerance and confidence regions
62J10 Analysis of variance and covariance (ANOVA)
Full Text: DOI
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