Train a k nearest neighbor classifier (memorization). USAGE clf = clfKnnTrain( clf, X, Y ) INPUTS clf - model to be trained X - nxp data array Y - nx1 array of labels OUTPUTS clf - a trained k-nearest neighbor classifier. EXAMPLE See also CLFKNN, CLFKNNFWD Piotr's Image&Video Toolbox Version 2.0 Copyright 2008 Piotr Dollar. [pdollar-at-caltech.edu] Please email me if you find bugs, or have suggestions or questions! Licensed under the Lesser GPL [see external/lgpl.txt]