Remove colour mapping unless found in select mapping keys

Remove colour mapping unless found in select mapping keys

Usage

remove_color_unless_equal(mapping, to = c("x", "y"))

Arguments

mapping

output of ggplot2::aes(...)

to

set of mapping keys to check

Value

Aes mapping with colour mapping kept only if found in selected mapping keys.

Examples

mapping <- aes(x = sex, y = age, colour = sex)

mapping <- aes(x = sex, y = age, colour = region)
remove_color_unless_equal(mapping)
#> Aesthetic mapping: 
#> * `x` -> `sex`
#> * `y` -> `age`