Power 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 sample size for ...

Statistical testing in Python offers a way to make sure your data is meaningful. It only takes a second to validate your data ...

Four statistics which may be used to test the equality of population means are compared with respect to their robustness under heteroscedasticity, their power, and the overlap of their critical ...