Provides functions for estimating marginal likelihoods, Bayes
factors, posterior model probabilities, and normalizing constants in general,
via different versions of bridge sampling (Meng & Wong, 1996,
< https://www3.stat.sinica.edu.tw/statistica/j6n4/j6n43/j6n43.htm>).
Gronau, Singmann, & Wagenmakers (2020)