Given a set of points in 2D space, the goal is to find the closest pair of points. This can be done by brute force, which involves checking the distance between every pair of points and finding the minimum. However, this is computationally expensive. Therefore, another approach is to use a divide and conquer algorithm, which is more efficient.
The k-nearest neighbors algorithm is a supervised learning algorithm that can be used to classify data points. Given a set of training data points and a test data point, the algorithm will output the class label of the test data point.
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K-Nearest Neighbor classifiers are used to classify data points into two classes. In this example, the input data points are (1, 1), (2, 2), (3 , 3), (4, 4), (5, 5), and (6, 6). The classifier should output Class 1: (1, 1), (2, 2), (3, 3), (4, 4), (5, 5) and Class 2: (6, 6).