Design of Experiment (DOE)

Design of Experiments (DOE) is an optimal method for planning scientific experimentation.
The use of DOE ensures maximum information
return for minimum investment in time and resources.

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Design of Experiments is the most efficient approach for organizing experimental work.
DOE selects a diverse and representative set of experiments in which all factors are independent of each other despite being varied simultaneously. The result is a causal predictive model showing the importance of all factors and their interactions.

These models can be summarized as informative contour plots highlighting the optimum combination of factor settings.

DOE is used for three primary objectives: Screening Which factors are most influential and over what range? Optimization How can we find the optimum settings taking into account conflicting demands of different responses? Robustness testing Once the optimum is found, can we guarantee robustness close to that point or do we need to change specifications to achieve robustness?