| delta.e.estimate | Tests for a treatment effect on the primary outcome using surrogate marker information |
| example.data | Example data |
| gs.boundaries | Computes group sequential boundaries |
| gs.boundaries.fut | Computes group sequential boundaries with futility stopping |
| StudyA.aids | ACTG 320 clinical trial data |
| StudyB.aids | ACTG 193A clinical trial data |