atFirstDoc

Helper for consistent documentation of arguments in <code>atFirst</code>
functions.

internal

Create and manipulate study cohorts in data mapped to the
Observational Medical Outcomes Partnership Common Data Model.

Edward Burn

CohortConstructor

Build and Manipulate Study Cohorts Using a Common Data Model

Marti Catala

Nuria Mercade-Besora

Marta Alcalde-Herraiz

Mike Du

Yuchen Guo

Xihang Chen

Kim Lopez-Guell

Elin Rowlands

atFirstDoc function

<dl><dt>atFirst</dt>
<dd>If FALSE the requirement will be applied to all records, if
TRUE, it will only be required for the first entry of each subject.</dd></dl>

Arguments

Helper for consistent documentation of arguments in atFirst
functions. — atFirstDoc

<dl>

<dt>atFirst</dt>
<dd>If FALSE the requirement will be applied to all records, if
TRUE, it will only be required for the first entry of each subject.</dd>

</dl>

Helper for consistent documentation of arguments in <code>atFirst</code>
functions.

atFirstDoc: Helper for consistent documentation of arguments in `atFirst` functions.

Description

Arguments