Modeling the dynamics of the frequent users of electronic commerce in Spain using optimization techniques for inverse problems with uncertainty. (English) Zbl 07093344

Summary: In this paper, we retrieve data about the frequent users of electronic commerce during the period 2011-2016 from the Spanish National Institute of Statistics. These data, coming from surveys, have intrinsic uncertainty that we describe using appropriate random variables. Then, we propose a stochastic model to study the dynamics of frequent users of electronic commerce. The goal of this paper is to solve the inverse problem that consists of determining the model parameters as suitable parametric random variables, in such a way the model output be capable of capturing the data uncertainty, at the time instants where sample data are available, via adequate probability density functions. To achieve the aforementioned goal, we propose a computational procedure that involves building a nonlinear objective function, based on statistical moment measures, to be minimized using a variation of the particle swarm optimization algorithm.


65C20 Probabilistic models, generic numerical methods in probability and statistics
65C60 Computational problems in statistics (MSC2010)
65K10 Numerical optimization and variational techniques
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