as.factor() function in R Programming Language is used to convert the passed object(usually Vector) into a Factor.
Syntax: as.factor(object)
Parameters:
- Object: Vector to be converted
as.factor() Function in R Example
Example 1: Convert a Factor in R
# Creating a vector
x<-c("female", "male", "male", "female")
# Using as.factor() Function
# to convert vector into factor
as.factor(x)
Output:
[1] female male male female Levels: female male
Example 2: Using as.factor() function to the character object containing numbers
Here we are applying this function to the integer vector
data <- c("11.1", "3.11", "32.2", "2.2")
as.factor(data)
Output:
[1] 11.1 3.11 32.2 2.2 Levels: 11.1 2.2 3.11 32.2