| dataA | Hypothetical Study A data |
| dataB | Hypothetical Study B data |
| delta.estimate | Calculates the treatment effect, the difference in survival at time t |
| design.study | Power and sample size calculation for designing a future study |
| early.delta.test | Estimate and test the early treatment effect |
| recover.B | Recover an estimate of the treatment effect at time t in Study B |