Inferences on the within-subject coefficient of variation |
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Authors: | Tian Lili |
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Institution: | Division of Biostatistics, Department of Statistics, University of Florida, Gainesville, FL 32610, USA. ltian@biostat.ufl.edu |
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Abstract: | The within-subject coefficient of variation (WCV) is widely used as a measure of precision and reproducibility of data in medical and biological science. In this paper, generalized confidence intervals and tests for a single WCV is developed using the concept of generalized pivots under the assumption of one-way random effect model. This approach is further extended to two-sample cases. The resulting procedures are easy to compute and have good properties in term of coverage probabilities and type-I error control at small sample sizes. The proposed methods are illustrated by a real life example. |
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Keywords: | generalized P‐values generalized confidence intervals generalized pivots generalized test variables |
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