Man pages for ssutil
Sample Size Calculation Tools

empirical_power_resultCreate an Empirical Power Result object
format.power_events_rateFormat method for power_events_rate class
format.power_single_rateFormat method for power_single_rate class
is.empirical_power_resultCheck if an object is a sim_power_result
multpMultivariate Normal Equicoordinate Cumulative Distribution...
multzCalculate the Upper Equicoordinate Point of a Multivariate...
power_best_binomialPower to Correctly Select the Best Group in a Binomial Test
power_best_normalPower calculation for the Indifferent-zone approach for...
power_events_rateProbability of Observing At Least a Given Number of Events
power_single_rateDetectable Event Rate with Specified Power and Sample Size
print.empirical_power_resultPrint method for empirical_power_result
print.power_events_ratePrint method for class power_events_rate
print.power_single_ratePrint method for class power_single_rate
prophrCalculate Event Probability in the Experimental Group Given a...
sim_power_best_binomialSimulate Power to Select the Best Group Using Binomial...
sim_power_best_bin_rankSimulate Power to Rank the Best Group Using Binomial Outcomes
sim_power_best_normalSimulate Power to Select Best Group (Normal Outcomes)
sim_power_best_norm_rankSimulate Power to Select Best Group by Ranks (Normal...
sim_power_equivalence_normalEmpirical Power for Equivalence (Normal Outcomes)
sim_power_nbinomEmpirical Power for Negative Binomial Comparison
sim_power_ni_normalEmpirical Power for Non-Inferiority (Normal Outcomes)
ss_best_binomialSample Size to Select the Best Group in a Binomial Test
ss_best_normalSample Size for Selecting the Best Treatment in a Normal...
ss_ni_veSample Size and Non-Inferiority Margin for Vaccine Efficacy...
ssutil-packagessutil: Utilities for Sample Size calculation
tidy.empirical_power_resultTidy Method for empirical_power_result
wcs_power_best_binomialWorst‐Case Scenario Power for the Best Binomial Group
ssutil documentation built on Sept. 18, 2026, 1:06 a.m.