The alternative hypothesis.
Effect size h.
Description of the calculation.
Number of observations (per group for pwr2pTest).
OptionalnoteA note on the sample sizes (absent for pwrPTest).
Power of the test.
Significance level (R's sig.level).
R's warnings, each once, in R's order (an empty array when there are none).
Result of pwr2pTest and pwrPTest.