pwrcortest() and pwrttest() to state that
signed effect-size inputs (rho, delta) are converted to their absolute
values.ncp_scale argument to pwrcortest() for alternative scaling of
the noncentrality parameter in correlation power analysis.First stable release of the package.
Provides power analysis functions for:
Supports solving for:
Validated against G*Power for supported ANOVA designs, t-tests, and correlation tests.