Which mathematical technique is primarily used in retail analytics to identify groups of similar customers for targeted marketing campaigns?

In today's data-driven retail environment, mathematical models drive decision-making across the industry. From inventory optimization to customer behavior prediction, mathematics serves as the foundation for retail analytics. This trivia question tests your knowledge of how specific mathematical concepts are applied in retail analytics to improve business outcomes and enhance customer experiences.

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Cluster Analysis
Fourier Transforms
Differential Calculus
Boolean Algebra