Checking if the Object is a Factor in R Programming - is.factor() Function

Last Updated : 15 Jul, 2025

is.factor() function in R Language is used to check if the object passed to the function is a Factor or not. It returns a boolean value as output.

Syntax: is.factor(Object) Parameters: Object: Object to be checked

Example 1: Output:

[1] TRUE

Example 2: Output:

[1] FALSE

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URL: https://www.geeksforgeeks.org/r-language/checking-if-the-object-is-a-factor-in-r-programming-is-factor-function/