Spread the loveA factorial is a mathematical concept that is essential in many fields, including programming. In this article, we will delve into the world of factorials and how to calculate them ...

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Given a number n, write a formula that returns n! (n factorial). Incase you don't know what a factorial is, n! = n * (n - 1) * (n - 2) * ... 2 * 1. For example: 5! = 5 * 4 * 3 * 2 * 1 = 120 so we'd ...

To implement factorial design in Python, you can use libraries like numpy, pandas, and statsmodels. First, define the levels of each factor and create a design matrix using numpy.meshgrid().