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Zufiria Zatarain, Pedro José and Hernandez Medina, Miguel Angel (2019). A new technique based on Voronoi tessellation to assess the space-dependence of categorical variables. "Entropy", v. 21 (n. 774); pp. 1-14. ISSN 1099-4300. https://doi.org/10.3390/e21080774.
Title: | A new technique based on Voronoi tessellation to assess the space-dependence of categorical variables |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Entropy |
Date: | August 2019 |
ISSN: | 1099-4300 |
Volume: | 21 |
Subjects: | |
Freetext Keywords: | spatial correlation; independence indices; Voronoi tessellation; entropy |
Faculty: | E.T.S.I. Telecomunicación (UPM) |
Department: | Matemática Aplicada a las Tecnologías de la Información y las Comunicaciones |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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Based on a sample of geolocated elements, each of them labeled with a (not necessarily ordered) categorical feature, several indexes for assessing the relationship between the geolocation variables (latitude and longitude) and the categorical variable are evaluated. Among these indexes, a new one based on a Voronoi tessellation presents several advantages since it does not require a variable transformation or a previous discretization; in addition, simulations show that this index is considerably robust when compared with the previously known ones. Finally, the use of the presented indexes is also illustrated by analyzing the geolocation of communities in some communication networks derived from Call Detail Records.
Type | Code | Acronym | Leader | Title |
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Government of Spain | MTM2015-67396-P | Unspecified | Unspecified | Redes complejas: modelado, dinámica y aplicaciones |
Government of Spain | MTM2017-84098-P | Unspecified | Unspecified | Fundamentos matemáticos de las tecnologías de la información cuánticas: convexidad, muestreo y álgebras de operadores |
Item ID: | 56746 |
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DC Identifier: | http://oa.upm.es/56746/ |
OAI Identifier: | oai:oa.upm.es:56746 |
DOI: | 10.3390/e21080774 |
Official URL: | https://www.mdpi.com/1099-4300/21/8/774 |
Deposited by: | Memoria Investigacion |
Deposited on: | 15 Oct 2019 14:53 |
Last Modified: | 15 Oct 2019 14:53 |