na_ref: Create Factor with NA as Reference

In dmolitor/dmolitorUtils: Personal Utility Functions

Create Factor with NA as Reference

Description

Function that sets NA as factor reference level (if any NAs exist).

Usage

na_ref(var, ...)

Arguments

var	Vector to convert to factor
...	Additional arguments to pass to factor().

Value

var as a factor with NA as a reference level (if any exist).

Examples

no_na <- na_ref(1:10)
with_na <- na_ref(c(NA, 1:10))

levels(no_na)
levels(with_na)

dmolitor/dmolitorUtils documentation built on Sept. 24, 2022, 6 a.m.