The class jsdglobal implements a version of the power prior
design, in which information is shared based on pairwise similarity
and overall heterogeneity between baskets. Both pairwise similarity and
overall heterogeneity are assessed using the Jensen-Shannon divergence.
References
Baumann, L., Sauer, L., & Kieser, M. (2024). A basket trial
design based on power priors. arXiv:2309.06988.