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  1. k-nearest neighbors algorithm - Wikipedia

    ^ a b Mirkes, Evgeny M.; KNN and Potential Energy: applet Archived 2012-01-19 at the Wayback Machine, University of Leicester, 2011 ^ Ramaswamy, Sridhar; Rastogi, Rajeev; Shim, Kyuseok …

  2. K-Nearest Neighbor (KNN) Algorithm - GeeksforGeeks

    Dec 23, 2025 · When you want to classify a data point into a category like spam or not spam, the KNN algorithm looks at the K closest points in the dataset. These closest points are called neighbors.

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  4. What is the k-nearest neighbors (KNN) algorithm? - IBM

    The k-nearest neighbors (KNN) algorithm is a non-parametric, supervised learning classifier, which uses proximity to make classifications or predictions about the grouping of an individual data point.

  5. Guide to K-Nearest Neighbors (KNN) Algorithm [2026 Edition]

    Dec 27, 2025 · What is KNN (K-Nearest Neighbor) Algorithm in Machine Learning? The k-nearest neighbors (KNN) algorithm is a simple, supervised machine learning method that makes predictions …

  6. What Is a K-Nearest Neighbor Algorithm? | Built In

    May 22, 2025 · K-nearest neighbor (KNN) is a non-parametric, supervised machine learning algorithm that classifies a new data point based on the classifications of its closest neighbors, and is used for …

  7. What is k-Nearest Neighbor (kNN)? | A Comprehensive k-Nearest

    kNN, or the k-nearest neighbor algorithm, is a machine learning algorithm that uses proximity to compare one data point with a set of data it was trained on and has memorized to make predictions.

  8. K-Nearest Neighbors (KNN) in Machine Learning

    K-nearest neighbors (KNN) algorithm is a type of supervised ML algorithm which can be used for both classification as well as regression predictive problems. However, it is mainly used for classification …

  9. K-nearest Neighbors | Brilliant Math & Science Wiki

    k-nearest neighbors (or k-NN for short) is a simple machine learning algorithm that categorizes an input by using its k nearest neighbors. For example, suppose a k-NN algorithm was given an input of data …

  10. An Introduction to K-Nearest Neighbours Algorithm

    Nov 23, 2020 · The K-Nearest Neighbours (KNN) algorithm is one of the simplest supervised machine learning algorithms that is used to solve both classification and regression problems.