Airbnb New User Bookings — Kaggle Competition. In this kaggle competition, Airbnb challenges you to predict in which country a new user will make his or her first booking.

K-Nearest Neighbor Algorithm with Amazon Food Reviews Analysis. First We want to know What is Amazon Fine Food Review Analysis?

There are various metrics that we can use to evaluate the performance of ML algorithms, classification as well as regression algorithms. We must carefully choose the metrics for evaluating ML performance because,

KNN is a non-parametric and lazy learning algorithm. Non-parametric means there is no assumption for underlying data distribution.