Applets

Shiny Applet: Factorial Power

Power and sample size tool for factorial optimization trials.

Strayhorn, J.C., Vu, P., Zheng, R., & Dahlen, A. (2026). Power Calculation in 2^k Factorial Optimization Trials: An Interactive Web Application, with Investigation of Robustness for Binary Outcome Variables. Prev Sci.

Two mirrors are provided — if one is at capacity, use the other.

Shiny Applet: Value efficiency in a SMART

Illustrative case study, described in Strayhorn, J.C., Williams, A.J., Eaton, S.E., McKay, J.R. & Vanness, D.J. (2026). Value Efficiency in Intervention Optimization.

Two mirrors are provided — if one is at capacity, use the other.