requireIsLastEntry: Restrict cohort to last entry per person
In CohortConstructor: Build and Manipulate Study Cohorts Using a Common Data Model

requireIsLastEntry

R Documentation

Restrict cohort to last entry per person

Description

requireIsLastEntry() filters cohort records, keeping only the last cohort entry per person.

Usage

requireIsLastEntry(cohort, cohortId = NULL, 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.
`name`	Name of the new cohort table created in the cdm object.

Value

A cohort table in a cdm reference.

Examples


library(CohortConstructor)
if(isTRUE(omock::isMockDatasetDownloaded("GiBleed"))){
cdm <- mockCohortConstructor()
cdm$cohort1 <- requireIsLastEntry(cdm$cohort1)
}

CohortConstructor documentation built on Nov. 5, 2025, 6:53 p.m.