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However, in this study the tested sample size was rather small with only 9 subjects with OA on the left side, and the control collective was clearly younger than the pathologic group.
The tested sample size would be able to detect an odds ratio of 8 or more assuming an X4 strain prevalence of 8% in the control population, a power of 80% and an alpha of 0.05.
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Differences in the means were analyzed either with General Linear Models that were fit using either independent or dependent groups, depending upon the hypotheses being tested, sample sizes and observational periods.
When p-values were moderately correlated (ρ = 0.2, Beta (2, 5 ), Uniform (0.1, 0.9 ), (Table 4)), the inverse norm, the Wilcoxon and the Logit tests had well controlled Type I errors for all tested sample sizes.
The present paper focuses on a rigorous statistical procedure referring to small-sampling theory leading to the determination of the number of specimens to test (sample size) in the laboratory for the determination of mechanical properties of rocks.
And in the final classification experiments, we repeat five times random sampling to test sample size's impact on the overall performance.
Acknowledging the popularity and prevalence of the c index in the literature, we do consider the relationship between c and D to ensure our methods are more widely usable (see Section Appendix: simulation studies to test sample size calculations).
Although the classification models achieve acceptable performance, the learning curve can be completely masked by the random testing uncertainty due to the equally limited test sample size.
RESULTS The studies varied in approaches to reproducibility testing, sample size, and metrics assessed and values reported.
The test sample size was fixed at 5000 for all tests when varying the size for training samples.
They set the training sample size to 80%, validation sample size to 10% and testing sample size to 10% of one-year of historical global horizontal irradiance data.
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