cor2x2                  Hazard ratios and correlations for the 2x2
                        statistics
crit2x2                 Critical values for the Equal Allocation 3,
                        Proportional Allocation 2, and Equal Allocation
                        2 procedures
eventProb               Calculate event probabilities
fac2x2analyze           Significance testing for the Proportional
                        Allocation 2, Equal Allocation 3, Equal
                        Allocation 2 procedures
fac2x2design            Power for the Equal Allocation 3, Proportional
                        Allocation 2, and Equal Allocation 2
                        procedures.
lgrkPower               Unstratified (ordinary) logrank power
powerEA2                Power of the Equal Allocation 2 procedure
powerEA3                Power of the Equal Allocation 3 procedure
powerPA2                Power of the Proportional Allocation 2
                        procedure
roundDown               Round down a negative number
simdat                  Simulated 2x2 factorial trial data
simdata                 Simulated 2x2 factorial trial data
simdataSub              Simulated 2x2 factorial trial data
strLgrkPower            Stratified (overall) logrank power
