Wine Recognition Data from Forina, M. et al at the Institute of Pharmaceutical and Food Analysis and Technologies. Each record represents results of a chemical analysis of wines grown in the same region in Italy but derived from three different cultivars. The analysis determined the quantities of 13 constituents found in each of the three types of wine.

nearest-neighbor

unweighted data

 

normalized data

 

k-nearest-neighbor

unweighted data

 

normalized data

 

agglomerative-nearest-neighbor

unweighted data

 

normalized data