![[R logo]](../../../doc/html/logo.jpg){kind=logo}
![[Up]](../../../doc/html/left.jpg)
![[Top]](../../../doc/html/up.jpg)
| PWEALL-package | Design and Monitoring of Survival Trials Accounting for Complex Situations |
| cp | Conditional power given observed log hazard ratio |
| cpboundary | The stopping boundary based on the conditional power criteria |
| cpstop | The stopping probability based on the stopping boundary |
| fourhr | A utility functon |
| innercov | A utility function to calculate the inner integration of the overall covariance |
| innervar | A utility function to calculate the inner integration of the overall variance |
| instudyfindt | calculate the timeline in study when some or all subjects have entered |
| ovbeta | calculate the overall log hazard ratio |
| overallcov | calculate the overall covariance |
| overallcovp1 | calculate the first part of the overall covariance |
| overallcovp2 | calculate the other parts of the overall covariance |
| overallvar | calculate the overall variance |
| pwe | Piecewise exponential distribution: hazard, cumulative hazard, density, distribution, survival |
| pweall | Design and Monitoring of Survival Trials Accounting for Complex Situations |
| pwecx | Various function for piecewise exponential distribution with crossover effect |
| pwecxcens | Integration of the density of piecewise exponential distribution with crossover effect and the censoring function |
| pwecxpwu | Integration of the density of piecewise exponential distribution with crossover effect, censoring and recruitment function |
| pwecxpwufindt | calculate the timeline when certain number of events accumulates |
| pwecxpwuforvar | calculate the utility function used for varaince calculation |
| pwefv2 | A utility function |
| pwefvplus | A utility functon |
| pwepower | Calculating the powers of various the test statistics for superiority trials |
| pwepowereq | Calculating the powers of various the test statistics for equivalence trials |
| pwepowerfindt | Calculating the timepoint where a certain power of the specified test statistics is obtained |
| pwepowerni | Calculating the powers of various the test statistics for non-inferiority trials |
| pwesim | simulating the test statistics |
| pwu | Piecewise uniform distribution: distribution |
| qpwe | Piecewise exponential distribution: quantile function |
| qpwu | Piecewise uniform distribution: quantile function |
| rpwe | Piecewise exponential distribution: random number generation |
| rpwecx | Piecewise exponential distribution with crossover effect: random number generation |
| rpwu | Piecewise uniform distribution: random number generation |
| spf | A utility function |