fct_expand: Add additional levels to a factor

In sindribaldur/poorcats: Tools for Working with Categorical Variables (Factors)

Description

Add additional levels to a factor

Usage

fct_expand(f, ...)

Arguments

f	A factor (or character vector).
...	Additional levels to add to the factor. Levels that already exist will be silently ignored.

See Also

fct_drop() to drop unused factor levels.

Examples

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

sindribaldur/poorcats documentation built on Feb. 26, 2021, 12:27 a.m.