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: Python3 1== 
# Creating a vector 
x<-c("female", "male", "male", "female") 

# Converting the vector x into a factor named gender 
gender<-factor(x) 
 
# Using is.factor() Function
is.factor(gender)
Output: 
[1] TRUE
Example 2: Python3 1== 
# Creating a vector 
x<-c("female", "male", "male", "female") 

# Converting the vector x into a factor named gender 
gender<-factor(x) 
 
# Using is.factor() Function
is.factor(x)
Output: 
[1] FALSE
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Article Tags:
R Language
R Factor-Function

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