A bimodal discrete shifted poisson distribution. A case study of tourists' length of stay

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dc.contributor.authorGómez-Déniz, Emilio
dc.contributor.authorPérez-Rodríguez, Jorge Vicente
dc.contributor.authorReyes, Jimmy
dc.contributor.authorGómez, Héctor W.
dc.date.accessioned2024-04-22T23:08:53Z
dc.date.available2024-04-22T23:08:53Z
dc.date.issued2020
dc.description.abstractAlthough the Poisson distribution is appropriate for modelling equi-dispersed distributions, it reflects bimodality less well. In this paper, we propose a distribution which is more suitable for the latter purpose. It can be fitted to both positively and negatively skewed data and appears to represent overdispersion phenomena correctly in count data models obtained using a Poisson distribution. Furthermore, the distribution can be normalised in terms of its mean value, and therefore covariates can be included. Our empirical results are based on tourists’ length of stay in the Canary Islands (Spain), a popular holiday destination. The study analyses data supplied by the Canary Islands Tourist Expenditure Survey. Our findings show that the model presented is valid and that the fit obtained is reasonably good.
dc.description.sponsorshipECO2017-85577-P (Ministerio de Economía, Industria y Competitividad. Agencia Estatal de Investigación; MINEDUC-UAproject, Code ANT 1755; MINEDUC-UA project, code ANT1755
dc.identifier.doi10.3390/sym12030442
dc.identifier.issn2073-8994
dc.identifier.urihttps://repositorioabierto.uantof.cl/handle/uantof/368
dc.language.isoen
dc.publisherMDPI
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.sourceSymmetry
dc.subjectbimodality
dc.subjectcovariate
dc.subjectoverdispersion
dc.subjectshifted Poisson distribution
dc.subjectlength of tourist stay
dc.titleA bimodal discrete shifted poisson distribution. A case study of tourists' length of stay
dc.typeArticle
oaire.citation.issue442
oaire.citation.volume12
organization.identifier.rorhttps://ror.org/04eyc6d95
organization.legalNameUniversidad de Antofagasta
uantof.identificator.departmentDepartamento de Matemáticas
uantof.identificator.facultyFacultad de Ciencias Básicas
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