1. Agresti A (2013) Categorical data analysis, 3rd edn. Wiley, Hoboken
2. Akaike H (1987) Factor analysis and AIC. Psychometrika 52(3):317–332
3. Allenby GM, Arora N, Ginter JL (1998) On the heterogeneity of demand. J Mark Res 35(3): 384–389
4. Arabie P, Hubert L (1994) Cluster analysis in marketing research. In: Bagozzi R (ed) Advanced methods of marketing research. Blackwell, Cambridge, pp 160–189
5. Ball G, Hall D (1965) ISODATA, a novel method of data analysis and pattern classification. Tech. Rep. NTIS No. AD 699616, Stanford Research Institute, Menlo Park