predicate-utils {arkhe}R Documentation

Utility Predicates

Description

Usage

has_length(x, n = NULL)

has_names(x, names = NULL)

has_duplicates(x)

has_missing(x)

has_infinite(x)

is_empty(x)

Arguments

x

A vector to be tested.

n

A length-one numeric vector specifying the length to test x with. If NULL, returns TRUE if x has length greater than zero, and FALSE otherwise.

names

A character vector specifying the names to test x with. If NULL, returns TRUE if x has names, and FALSE otherwise.

Value

A logical scalar.

See Also

Other predicates: predicate-matrix, predicate-numeric, predicate-scalar, predicate-trend, predicate-type


[Package arkhe version 1.0.0 Index]