how to do a power analysis can an unequal sample size be used with r how to do a power analysis how many observations should be in a t test power analysis how many observations in a power analysis how to do power analysis in r how to do a power analyze t test with two groups how to calculate average power analysis how to do t test power analysis what power analysis would be used for unequal groups of participants why is it necessary to do an unequal data set what's the minimum sample size in r what's minimum sample size r how to power analyze a sample size r can two unequal samples be tested in r how to do a test and power analysis can you do power analysis in r how much data does an univariate power analysis have how many sample sizes in a power analysis how to power analysis in r in univariate samples