Check if a Factor is an Ordered Factor in R Programming - is.ordered() Function

is.ordered() function in R Programming Language is used to check if the passed factor is an ordered factor.

Syntax: is.ordered(factor)

Parameters: 

• factor: Factor to be checked

is.ordered() Function in R Programming Example

Example 1: Demonestration of R - is.ordered() Function 

Output: 

[1] FALSE

Example 2: 

Output: 

[1] TRUE