Generates group sequential designs using alpha- and beta-spending functions or Wang-Tsiatis (e.g., O'Brien-Fleming and Pocock) boundary families. Many plotting capabilities as well as non-binding futility rules are available. Easily extended.
Since spending functions inputs for any spending function with a parameter will be new, getting a good initial screen for the power spending function will be helpful.
Great place to start! I would love to see this today if you want a simple focus for the day...we can always look on Mikogo if I can't get install working...
Since spending functions inputs for any spending function with a parameter will be new, getting a good initial screen for the power spending function will be helpful.