fct_explicit_na_if: Insertion of explicit missing values in a factor

In tern: Create Common TLGs Used in Clinical Trials

Insertion of explicit missing values in a factor

Description

This inserts explicit missing values in a factor based on a condition. Additionally, existing NA values will be explicitly converted to given na_level.

Usage

fct_explicit_na_if(x, condition, na_level = "<Missing>")

Arguments

x	(factor) the original factor.
condition	(logical) positions at which to insert missing values.
na_level	(string) which level to use for missing values.

Value

A modified factor with inserted and existing NA converted to na_level.

See Also

forcats::fct_na_value_to_level() which is used internally.

Examples

fct_explicit_na_if(factor(c("a", "b", NA)), c(TRUE, FALSE, FALSE))

tern documentation built on Sept. 24, 2024, 9:06 a.m.