Implement
reconcile packaging and local work
quarto back to rmd vignette. quarto vignette support real soon now
Doubtful
- likelihood cross-validation - is this possible, how to LOO? could do with transition data, but with HMM? no, https://users.aalto.fi/~ave/CV-FAQ.html#9_Can_cross-validation_be_used_for_time_series only if hidden states are parameters, not if we integrate over them