This function takes an individual's attributes and events and calculates an estimated age based on the date of the fact and their age when the fact applied.
guess_age_from_indi_events(tg, xref, agg_fn = mean)A tidyged object.
The xref of an individual.
If multiple ages are calculated, the function to use to aggregate them.
A numeric value giving the estimated age. A numeric value less than zero means no determination could be made.