class library from Venables and Ripley (4th edition)
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Various functions for classification

knn		k-nearest neighbours
knn1		1-nearest neighbour
knn.cv		k-Nearest neighbour cross-validatory classification
multiedit	editing code for kNN analysis
condense	condensed NN code
reduce.nn	reduced NN code

lvqinit		initialize codebook for LVQ methods
lvq1		implements LVQ1
olvq1		implements OLVQ1
lvq2		implements LVQ2.1
lvq3		implements LVQ3
lvqtest		test an LVQ codebook

SOM		Kohonen Self-Organizing Maps
batchSOM		ditto, batch updates