Require All of a Set of Values

Validates that the value contains every element of values. Extra elements are allowed.

Usage

require_contains(restriction, values)

Arguments

restriction

a restriction object.

values

vector of values that must be present.

Value

The modified restriction object.

Details

NA elements of the validated value are ignored. A factor is compared by its labels. For the opposite direction (every element must be one of values) use require_one_of().

See also

Other value checks: require_between(), require_disjoint(), require_levels(), require_negative(), require_one_of(), require_positive(), require_set_equal(), require_unique()