yearCohorts: Generate a new cohort table restricting cohort entries to certain years
Description
yearCohorts() splits a cohort into multiple cohorts, one for each year.
Usage
yearCohorts(
cohort,
years,
cohortId = NULL,
name = tableName(cohort),
.softValidation = FALSE
)
Value
A cohort table.
Arguments
cohort
A cohort table in a cdm reference.
years
Numeric vector of years to use to restrict observation to.
cohortId
Vector identifying which cohorts to include
(cohort_definition_id or cohort_name). Cohorts not included will be
removed from the cohort set.
name
Name of the new cohort table created in the cdm object.
.softValidation
Whether to perform a soft validation of consistency.
If set to FALSE four additional checks will be performed: 1) a check that
cohort end date is not before cohort start date, 2) a check that there
are no missing values in required columns, 3) a check that cohort duration is
all within observation period, and 4) that there are no overlapping
cohort entries