Furthermore, we will define each component of a power analysis and discover how to find the information necessary to complete a sample size calculation. Then, we will explore how to apply this ...

Recently, Cheung 20 presented a closed-form formula for sample size calculation, in which a nonparametric optimal design 21 was exploited and the accuracy index of the CRM design was derived ...

Course TopicsPower analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required ...

For a desired power of detecting the association between a disease and several potential risk factors in case-control studies, Yang (1978, Biometrika 65, 635-640) and Halperin (1980, Biometrika 67, ...