Statistical power for F tests on means in the analysis of variance
This is an internal function.
power.f computes statistical power for F tests on means in the analysis of variance.
power.f(u, n, delta, sig.level = 0.05)
degree of freedom of the numerator of the F ratio
a numeric contains the significance level (default 0.05)
Return a numeric containing the statistical power.
Department of Social Psychiatry,
National Institute of Mental Health,
National Center of Neurology and Psychiatry
Cohen J (1988). Statistical power analysis for the behavioral sciences (2nd ed). Hillsdale, NJ: Erlbaum.
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