Convert a Vector into Factor in R Programming - as.factor() Function

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

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 

Output: 

[1] 11.1 3.11 32.2 2.2 
Levels: 11.1 2.2 3.11 32.2