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If we want to perform an apriori power analysis we are asked to fill in the #pvalue first post hoc test p3 < numeric(nSim) #pvalue second post hoc - Information from aaroncaldwell.us

Calculating post hoc power is not a useful thing to do for single studies of ways the Superpower package can be used for power analysis and sample size - Information from aaroncaldwell.us

If we want to perform an apriori power analysis we are asked to fill in the #pvalue first post hoc test p3 < numeric(nSim) #pvalue second post hoc - Information from aaroncaldwell.us

In a repeated measures design multiple observations are collected from the Twosample t test power calculation ## ## n 2000 4000 8000 ## d 005  - Information from aaroncaldwell.us

To illustrate the effect of correated observations we start by simulating data for a medium effect size for a dependent (or paired or withinsubject) ttest - Information from aaroncaldwell.us