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Finding hidden (statistical) structure in unlabelled data, including clustering and feature extraction for dimensionality reduction.

7 votes
1 answer
19k views

K-nearest neighbor supervised or unsupervised machine learning?

I've read in several papers that K-nearest neighbor can be supervised or unsupervised learning. Is Knn always unsupervised when one use it for clustering and supervised when one used it for classifica …
Phil Werner's user avatar