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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.

MSC:
62F25 Parametric tolerance and confidence regions
62J10 Analysis of variance and covariance (ANOVA)
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References:
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