Given a BirdFlow object with marginals and without transitions
build_transitions()
return a BirdFlow object with both marginals
and transitions, drop_tansitions()
will reverse the process.
Examples
if (FALSE) { # \dontrun{
bf1 <- BirdFlowModels::amewoo
bf2 <- build_transitions(bf)
bf2
bf3 <- drop_transitions(bf2)
bf3
} # }