Category Archives: noninferiority hypothesis

5. Accepting the null hypothesis

“All models are wrong.  … But some are useful.” George Box *** In my first blog I stated a truism, that was hopefully taught in your first statistics class: You can’t accept the null hypothesis.  You can ONLY reject the … Continue reading

Posted in Biostatistics, Confidence intervals, Non-Inferiority, non-inferiority hypothesis, noninferiority hypothesis, Not worse than | Tagged , , , , , , | Leave a comment

8. What is a Power Analysis?

People who haven’t the time to do things ‘perfectly’, always have time to do them over. Measure once, cut twice.  Measure twice, cut once. ‘My god, you’ve conclusively proven it.  Time equals Money.’ *** Cost for Failure Every CEO I’ve … Continue reading

Posted in Biostatistics, Dichotomization, Effect Size, Key Comparison, Non-Inferiority, non-inferiority hypothesis, non-parametric statistics, noninferiority hypothesis, p-values, Power, Statistical, Statistics, Treatment Effect | Leave a comment