fct_explicit_na: Make missing values explicit

Description Usage Arguments Examples

View source: R/explicit_na.R

Description

This gives missing value an explicit factor level, ensuring that they appear in summaries and on plots.

Usage

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fct_explicit_na(f, na_level = "(Missing)")

Arguments

f

A factor.

na_level

Level to use for missing values.

Examples

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f1 <- factor(c("a", "a", NA, NA, "a", "b", NA, "c", "a", "c", "b"))
table(f1)

f2 <- fct_explicit_na(f1)
table(f2)

Example output

f1
a b c 
4 2 2 
f2
        a         b         c (Missing) 
        4         2         2         3 

forcats documentation built on May 30, 2017, 6:35 a.m.