Models for purchase frequency |
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| Authors: | Saralees Nadarajah Samuel Kotz |
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| Institution: | 1. School of Mathematics, University of Manchester, Manchester M60 1QD, UK;2. Department of Engineering Management and Systems Engineering, George Washington University, Washington, DC 20052, USA |
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| Abstract: | Purchase frequency modeling began with the pioneering work of Ehrenberg Ehrenberg, A.S.C., 1959. The pattern of consumer purchases. Applied Statistics 8, 26–41]. This note provides an extension of this work. A collection of some seventeen flexible distributions is discussed for purchase frequency modeling. The corresponding estimation procedures are derived by the method of moments and the method of maximum likelihood. An application is illustrated to a consumer purchasing data used by Ehrenberg. |
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| Keywords: | Maximum likelihood Method of moments Mixture model Purchase frequency modeling |
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