NEURAL NETWORKS AND RELATED METHODS FOR CLASSIFICATION - DISCUSSION by Whittle, P, Kay, J, Hand, D, Tarassenko, L, Brown, P, Titterington, D, Taylor, C, Gilks, W, Critchley, F, Mayne, A, Wahba, G, Luttrell, S, Baczkowski, A, Mardia, K, Breiman, L, Buntine, W, Chatfield, C, Deveaux, R, Darken, C, Ungar, L, Glendinning, R, Hastie, T, Tibshirani, R, Mclachlan, G, Michie, D