next_anniversary(i, freq_id='ANV')[source]#

Nex anniversary dates

Returns a Series of the next anniversary dates for all the model points.

When the second parameter freq_id is ommitted or takes the default value of ‘ANV’, the next anniversary date for each model point is calculated as the first policy anniversary date that comes after date_(i).

When freq_id is ‘PREM’, returns the next payment date after date_(i), based on the premium payment cycle calculated from payment_freq() and issue_date().