run_rbc_process_core: Processing RBC for a list of person.
In migrbc: Production Rules Based Classification of Migration

This function is used to resolve a list of person's journeys, i.e., classifying a list of people and marking it whether or not to be a long term migrant based on the person's journeys. This function is used internally inside the package and shouldn't be exposed to the outside caller.

1	run_rbc_process_core(cross_data, ini_status_data, tw, ty)

`cross_data`	The personal crossing data for RBC process
`ini_status_data`	the initial residence status data
`tw`	Windows Size, by default, it is 487 days.
`ty`	Threshold of Year, by default, it is 365 days.