forcats (version 0.2.0)

fct_c: Concatenate factors, combining levels

Description

This is useful way of patching together factors from multiple sources that really should have the same levels but don't.

Usage

fct_c(fs, ...)

Arguments

fs

A factor, or list of factors.

...

Individual factors

Examples

fa <- factor("a")
fb <- factor("b")
fab <- factor(c("a", "b"))

c(fa, fb, fab)
fct_c(fa, fb, fab)

# You can also pass a list of factors as the first argument
fs <- list(fa, fb, fab)
fct_c(fs)