
Last chance! 50% off unlimited learning
Sale ends in
samplesize.r
determines the sample size, when specified the effect size to be detected, desired statistical power, and significance level.
samplesize.r
always specifies two-sided test.samplesize.r(delta, power = 0.8, sig.level = 0.05)
zero.r.test
, zero.r.test.second
##Cohen (1988) ex.3.4
samplesize.r(delta=.3, power=.8, sig.level=.05)
Run the code above in your browser using DataLab