A New Approach For Exploring Multivariate Data
Self-organising maps
Timothy BockUniversity of New South Wales
Introduction
The importance of exploratory data analysis as a means of gaining insights and ensuring the correct specification of statistical models has long been recognised (Ehrenberg 1975; Tukey 1977). Its employment in 'data mining' has seen exploratory data analysis become an integral part of modern quantitative marketing practice. The large numbers of variables we commonly employ in marketing applications presents a great challenge, as the problem of how to best describe multivariate data is far from being well understood.
The...