Fractional Factorial Design (DoE) Simply explained 

What is a Fractional Factorial Design? A fractional factorial design is a type of experimental design used to analyse the effects of several factors (or variables) on a response variable. What is the difference with a full factorial design? In a full factorial design, every possible combination of factor levels is examined. Conversely, a fractional factorial design strategically excludes certain combinations. This reduce the number of experiments while still capturing essential information about the system's behavior.
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