Convert a Vector into Factor in R Programming – as.factor() Function
Last Updated :
08 Nov, 2021
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
R
x<- c ( "female" , "male" , "male" , "female" )
as.factor (x)
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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
R
data <- c ( "11.1" , "3.11" , "32.2" , "2.2" )
as.factor (data)
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Output:
[1] 11.1 3.11 32.2 2.2
Levels: 11.1 2.2 3.11 32.2
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