The factorial function is represented by the exclamation point ! and is a mathematical function that returns the product of all positive integers less than or equal to a given number.
For example, the factorial of 5 is 5! = 54321 = 120. You can more quickly calculate the factorial of a number in R using the factorial() function.
This guide shows how to calculate the factorial of a number in R.
Syntax
factorial(x)Arguments
- x = the number whose factorial you want to calculate
Example: Using factorial() function to calculate the factorial of 12
Type the following into the R console:
factorial(12)Output
[1] 479001600