Integer with the number of days to add or name of a column (that
must be numeric) to add.
cohortDate
'cohort_start_date' or 'cohort_end_date'.
indexDate
Variable in cohort that contains the index date to add.
collapse
Whether to collapse the overlapping records (TRUE) or drop
the records that have an ongoing prior record.
padObservation
Whether to pad observations if they are outside
observation_period (TRUE) or drop the records if they are outside
observation_period (FALSE)
cohortId
Vector identifying which cohorts to modify
(cohort_definition_id or cohort_name). If NULL, all cohorts will be
used; otherwise, only the specified cohorts will be modified, and the
rest will remain unchanged.
name
Name of the new cohort table created in the cdm object.