Which machine learning technique is primarily used by scientific retailers to create 'digital twins' of physical stores for optimizing product placement?

The intersection of science and retail is transforming how stores operate today. Machine learning algorithms are being deployed across various aspects of the retail industry to optimize operations, personalize customer experiences, and predict trends. This trivia question focuses on how scientific approaches to data are changing the retail landscape. Test your knowledge about cutting-edge applications of science in retail analytics!

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Reinforcement learning with spatial mapping algorithms
Natural language processing with sentiment analysis
Convolutional neural networks for customer recognition
Random forest classifiers for inventory prediction