KNN (K-Nearest Neighbors)

What is KNN (K-Nearest Neighbors)?

KNN is a lazy learning algorithm that classifies a new data point based on the majority class of its 'k' nearest neighbors in the feature space.

Where did the term "KNN (K-Nearest Neighbors)" come from?

Simple, non-parametric distance-based learning.

How is "KNN (K-Nearest Neighbors)" used today?

Baseline for many classification tasks.

Related Terms

• Machine Learning
• Distance Metrics