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added a 3D visualization of K-means with k = 3, made from a publicly available dataset (cited within caption) |
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==The
The most intuitive nearest neighbour type classifier is the one nearest neighbour classifier that assigns a point {{mvar|x}} to the class of its closest neighbour in the feature space, that is <math>C_n^{1nn}(x) = Y_{(1)}</math>.
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