requireIsEntry {CohortConstructor} | R Documentation |
Restrict cohort to specific entry
Description
requireIsFirstEntry()
filters cohort records, keeping only the first
cohort entry per person.
Usage
requireIsEntry(cohort, entryRange, cohortId = NULL, name = tableName(cohort))
Arguments
cohort |
A cohort table in a cdm reference. |
entryRange |
Range for entries to include. |
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. |
Value
A cohort table in a cdm reference.
Examples
library(CohortConstructor)
cdm <- mockCohortConstructor()
cdm$cohort1 <- requireIsEntry(cdm$cohort1, c(1, Inf))
[Package CohortConstructor version 0.3.3 Index]