na_ref: Convert vector-like object to a factor with NA as reference...

In dmolitor/umbrella: A conglomeration of modeling and data munging functionality

Description

Convert vector-like object to a factor with NA as reference level.

Usage

na_ref(var)

Arguments

var	Vector-like object.

Value

Factor with NA as reference level if appropriate.

Examples

var <- c(4, 5, NA, 6, 7)
na_ref(var)

dmolitor/umbrella documentation built on Nov. 10, 2020, 1:25 a.m.