forcats (version 0.0.0.9000)

fct_expand: Add additional levels to a factor

Description

Add additional levels to a factor

Usage

fct_expand(f, ...)

Arguments

f

A factor.

...

Additional levels to add to the factor. Levels that already exist will be silently ignored.

Examples

f <- factor(sample(letters[1:3], 20, replace = TRUE))
f
fct_expand(f, "d", "e", "f")
fct_expand(f, letters[1:6])