createStudyPopulation: Create a study population

In CohortMethod: Comparative Cohort Method with Large Scale Propensity and Outcome Models

Create a study population

Description

Create a study population

Usage

createStudyPopulation(
  cohortMethodData,
  population = NULL,
  outcomeId = NULL,
  createStudyPopulationArgs = createCreateStudyPopulationArgs()
)

Arguments

cohortMethodData	An object of type CohortMethodData as generated using getDbCohortMethodData().
population	If specified, this population will be used as the starting point instead of the cohorts in the cohortMethodData object.
outcomeId	The ID of the outcome. If NULL, no outcome-specific transformations will be performed.
createStudyPopulationArgs	An object of type CreateStudyPopulationArgs as created by the createCreateStudyPopulationArgs() function.

Details

Create a study population by enforcing certain inclusion and exclusion criteria, defining a risk window, and determining which outcomes fall inside the risk window.

Value

A tibble specifying the study population. This tibble will have the following columns:

• rowId: A unique identifier for an exposure.

• personSeqId: The person sequence ID of the subject.

• cohortStartdate: The index date.

• outcomeCount The number of outcomes observed during the risk window.

• timeAtRisk: The number of days in the risk window.

• survivalTime: The number of days until either the outcome or the end of the risk window.

CohortMethod documentation built on March 21, 2026, 5:06 p.m.