A lambda function in Python is an anonymous function defined with the lambda keyword. It can take any number of arguments but has only one expression, the result of which is automatically returned.
Collaborative filtering is a recommendation method that predicts user interests by analyzing how other users with similar preferences have interacted with specific items.
An ensemble model combines multiple machine learning models to improve prediction accuracy, outperforming a single model. Here’s how and when to use ensemble techniques for your machine learning models.
