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emil (version 2.2.10)

is_constant: Check if an object contains more than one unique value

Description

Check if an object contains more than one unique value

Usage

is_constant(x, na.rm = FALSE)

Arguments

x

Vector or matrix.

na.rm

Whether to ignore missing values.

Value

Logical scalar that is TRUE if x contains more than one unique value and FALSE if not.

A logical scalar that is TRUE if x contains more than one unique value and FALSE otherwise. In case x contains missing values NA is returned if na_rm = FALSE. If there are no non-missing values NA is always returned.