If you've tried fitting a DDM in #brms before, you might know the challenges, in particular with getting sensible initial values. @singmann.bsky.social documented this well:
singmann.org/wiener-model...
#bmm now takes care of all of that. Just call ddm() and write your formula and wait 🤓
Stan is probably the most interesting development in computational statistics in the last few years, at least for me. The version of Hamiltonian Monte-Carlo (HMC) implemented in Stan (NUTS, ) is ex…
