Welcome to the first real-life data scientist interview question. Grab this opportunity by showing your understanding of the recommendation engine. These recommendations are based on a recommendation engine which is accomplished with collaborative filtering. Collaborative filtering determines the behavior of other users, their purchase history in terms of reviews, ratings, and selection, etc. These engines make a prediction on what a customer can buy based on the preferences of other customers. Item features are unknown in this algorithm.

BY Best Interview Question ON 02 Nov 2022