extend_condition

This internal helper function extends a condition string by appending a new condition
that checks if a variable equals a specific value.

internal

A toolbox for programming Clinical Data Interchange Standards
Consortium (CDISC) compliant Analysis Data Model (ADaM) datasets in R.
ADaM datasets are a mandatory part of any New Drug or Biologics
License Application submitted to the United States Food and Drug
Administration (FDA). Analysis derivations are implemented in
accordance with the "Analysis Data Model Implementation Guide" (CDISC
Analysis Data Model Team, 2021,
<https://www.cdisc.org/standards/foundational/adam>).

Ben Straub

admiral

ADaM in R Asset Library

Stefan Bundfuss

Jeffrey Dickinson

Ross Farrugia

Fanny Gautier

Dinakar Kulkarni

Edoardo Mancini

Sadchla Mascary

Gordon Miller

Jim Rothstein

Sophie Shapcott

Eric Simms

Daniel Sjoberg

Stefan Thoma

Phillip Webster

Zelos Zhu

F. Hoffmann-La Roche AG 

GlaxoSmithKline LLC 

extend_condition function

<dl><dt>cond</dt>
<dd>A character string representing an existing condition.</dd>
<dt>var</dt>
<dd>A character string representing the name of the variable to check.</dd>
<dt>is</dt>
<dd>A character string representing the value the variable should be equal to.</dd></dl>

Arguments

Extend a condition string by adding a new condition based on a variable and its value — extend_condition

<dl>

<dt>cond</dt>
<dd>A character string representing an existing condition.</dd>


<dt>var</dt>
<dd>A character string representing the name of the variable to check.</dd>


<dt>is</dt>
<dd>A character string representing the value the variable should be equal to.</dd>

</dl>

Extend a condition string by adding a new condition based on a variable and its value

extend_condition: Extend a condition string by adding a new condition based on a variable and its value

Description

Usage

Value

Arguments

Examples