add_filter: Add a New Filter Definition

In filters: A "Snake_case" Filter System for R

Add a New Filter Definition

Description

Add a new filter definition or overwrite an existing one

Usage

add_filter(
  id,
  title,
  target,
  condition,
  character_only = FALSE,
  overwrite = FALSE
)

Arguments

id	character The id or name of this filter, e.g. "SE".
title	character The title of the filter
target	character The target dataset of the filter
condition	The filter condition
character_only	logical. Is condition a string? Defaults to FALSE.
overwrite	logical Should existing filters be overwritten? Defaults to FALSE.

Value

The function returns a list of title, target and condition invisibly

Author(s)

Thomas Neitmann (neitmant)

Examples

add_filter(
  id = "CTC5",
  title = "Grade 5 Adverse Event",
  target = "ADAE",
  condition = AETOXGR == "5"
)

add_filter(
  id = "CTC4",
  title = "Grade 4 Adverse Event",
  target = "ADAE",
  condition = "AETOXGR == '4'",
  character_only = TRUE
)

add_filter(
  id = "IT",
  title = "ITT Population",
  target = "ADSL",
  condition = ITTFL == "Y",
  overwrite = TRUE
)

add_filter(
  id = "5PER",
  title = "Adverse Events with a Difference of at Least 5% between Treatment Arms",
  target = "adae",
  condition = 1 == 1,
  overwrite = TRUE
)

filters documentation built on May 29, 2024, 8:29 a.m.