Filter cohorts to keep only records for those with a minimum amount of subjects
requireMinCohortCount.RdrequireMinCohortCount() filters an existing cohort table, keeping only
records from cohorts with a minimum number of individuals
Usage
requireMinCohortCount(
cohort,
cohortId = NULL,
minCohortCount = 5,
name = tableName(cohort)
)Arguments
- cohort
A cohort table in a cdm reference.
- 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.
- minCohortCount
The minimum count of sbjects for a cohort to be included.
- name
Name of the new cohort table created in the cdm object.
Examples
# \donttest{
library(CohortConstructor)
cdm <- mockCohortConstructor(nPerson = 100)
cdm$cohort1 |>
requireMinCohortCount(minCohortCount = 5)
#> # Source: table<main.cohort1> [?? x 4]
#> # Database: DuckDB v1.0.0 [unknown@Linux 6.5.0-1025-azure:R 4.4.1/:memory:]
#> cohort_definition_id subject_id cohort_start_date cohort_end_date
#> <int> <int> <date> <date>
#> 1 1 1 2001-02-15 2001-10-28
#> 2 1 1 2001-10-29 2003-03-15
#> 3 1 1 2003-03-16 2005-02-08
#> 4 1 2 1999-11-11 2002-04-09
#> 5 1 6 2011-03-07 2014-01-24
#> 6 1 7 2014-03-08 2014-03-19
#> 7 1 10 2019-12-04 2019-12-14
#> 8 1 13 2014-06-24 2014-06-29
#> 9 1 13 2014-06-30 2014-08-07
#> 10 1 14 1986-11-29 1987-12-14
#> # ℹ more rows
# }