fct_other

Replace unlisted levels with Other

Keeps selected factor levels and maps the rest to an “Other” bucket.

Parameters

• x (Vector[Factor]): A factor vector.

• keep (Vector[String] | List[String]): Levels to preserve.

• drop (Vector[String] | List[String]): Levels to drop (mutually exclusive with keep).

• other_level (String): = “Other” Name for the catch-all level.

Returns

A factor vector with unlisted levels replaced.

Examples

fct_other(fct, keep = ["a", "b"])
fct_other(fct, drop = ["z"], other_level = "Misc")