Generate a new cohort table restricting cohort entries to certain years
yearCohorts.RdyearCohorts() splits a cohort into multiple cohorts, one for each year.
Usage
yearCohorts(cohort, years, cohortId = NULL, name = tableName(cohort))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.
Examples
# \donttest{
library(CohortConstructor)
cdm <- mockCohortConstructor(nPerson = 100)
cdm$cohort1 <- cdm$cohort1 |> yearCohorts(years = 2000:2002)
settings(cdm$cohort1)
#> # A tibble: 3 × 5
#> cohort_definition_id cohort_name target_cohort_definition_id year
#> <int> <chr> <int> <int>
#> 1 1 cohort_1_2000 1 2000
#> 2 2 cohort_1_2001 1 2001
#> 3 3 cohort_1_2002 1 2002
#> # ℹ 1 more variable: target_cohort_name <chr>
# }