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In 2-Nearest-Neighbourhood classifier, given a input x, and 2 neighbours of x have different labels, what can I assign as label for x? (Assuming I am not weighting neighbours based on distance)?

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  • $\begingroup$ You can always just label this with more common classs... That's the problem that basically explains why kNN with even number of neighbors isn't used without weighing. $\endgroup$ Nov 25 at 10:43

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