Convert to Factor — as_factor • mlr3misc

Converts a vector to a factor() and ensures that levels are in the order of the provided levels.

Usage

as_factor(x, levels, ordered = is.ordered(x))

Arguments

x: (atomic vector())
Vector to convert to factor.
levels: (character())
Levels of the new factor.
ordered: (logical(1))
If TRUE, create an ordered factor.

Value

Examples

x = factor(c("a", "b"))
y = factor(c("a", "b"), levels = c("b", "a"))

# x with the level order of y
as_factor(x, levels(y))
#> [1] a b
#> Levels: b a

# y with the level order of x
as_factor(y, levels(x))
#> [1] a b
#> Levels: a b