Creates and fits staged event tree probability models,
which are probabilistic graphical models capable of representing
asymmetric conditional independence statements
for categorical variables.
Includes functions to create, plot and fit staged
event trees from data, as well as many efficient structure
Collazo R. A., Görgen C. and Smith J. Q.
Görgen C., Bigatti A., Riccomagno E. and Smith J. Q. (2018)