changes in version 1.2.1

• Enhancements

  • phase2.TTE() replaces and combines the functionality of Optimal.KJ() and Optimal.rKJ() in previous versions. In addition to the optimal method, this new function also provides designs for single-arm phase II survival trials using the minmax and admissible methods.

  • Sim() replaces and combines the functionality of Sim_KJ() and Sim_rKJ() in previous versions.

  • Examples about how to use phase2.TTE() and Sim() are provided in the vignette and help documentations.

changes in version 1.1.5

• Enhancements
  • for Optimal.KJ() and Optimal.rKJ(), now users can choose to specify a minimum value for the early stopping probability under H0 using the argument prStop. Examples about how to implement this new feature are provided in the vignettes and help documentations.