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Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa
Mini Dissertation (MSc (Advanced Data Analytics))--University of Pretoria, 2024.
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| Format: | Thesis |
| Language: | English |
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University of Pretoria
2025
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| _version_ | 1867613504239828992 |
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| access_status_str | Open Access |
| author2 | Fabris-Rotelli, Inger Nicolette
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| author_browse | Fabris-Rotelli, Inger Nicolette
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| author_facet | Fabris-Rotelli, Inger Nicolette
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| collection | Thesis |
| dc_rights_str_mv | © 2023 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. |
| description | Mini Dissertation (MSc (Advanced Data Analytics))--University of Pretoria, 2024. |
| format | Thesis |
| id | oai:repository.up.ac.za:2263/100629 |
| institution | University of Pretoria (South Africa) |
| language | English |
| last_indexed | 2026-06-10T12:37:11.932Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UPSpace — University of Pretoria Institutional Repository |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | University of Pretoria |
| publisherStr | University of Pretoria |
| record_format | dspace |
| source_str | UPSpace — University of Pretoria Institutional Repository |
| spelling | oai:repository.up.ac.za:2263/100629 Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa Fabris-Rotelli, Inger Nicolette a.antonio@tuks.co.za Stander, Rene Thiede, Renate Antonio, Arthur UCTD Sustainable Development Goals (SDGs) Police precinct boundaries Voronoi diagrams Accessibility Crime rates Spatial similarity Mini Dissertation (MSc (Advanced Data Analytics))--University of Pretoria, 2024. This study quantifies the overlap between existing police precinct boundaries and theoretically optimal boundaries derived from Voronoi diagrams based on Euclidean and network distances. Spatial similarity measures are used to analyse the relationship between boundary overlap and police station accessibility, hypothesising that reduced overlap corresponds to decreased accessibility. Accessibility, in this mini-dissertation, refers to how easily an individual can reach a police station, with closer points being more accessible. The analysis extends to the potential effects of boundary placement on crime rates, suggesting that greater inaccessibility of police stations may correlate with less crimes reported in that precinct. By quantifying these relationships, this research evaluates the effectiveness of current precinct boundaries and their potential influence on crimes reported. For precincts with low similarity values, indicating low accessibility, we analyse the proportional change in the number of crimes reported after boundary modifications. A decrease in reported crimes within the new boundaries generated by Voronoi models would support our hypothesis. This decrease would suggest that a significant portion of crimes are now being reported to other, nearer, and more accessible police stations. Statistics MSc (Advanced Data Analytics) Unrestricted Faculty of Natural and Agricultural Sciences SDG-09: Industry, innovation and infrastructure SDG-10: Reduced inequalities SDG-11: Sustainable cities and communities SDG-16: Peace, justice and strong institutions 2025-02-10T07:40:09Z 2025-02-10T07:40:09Z 2025-04 2024-11 Mini Dissertation * A2025 http://hdl.handle.net/2263/100629 https://doi.org/10.25403/UPresearchdata.28378535 en © 2023 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. application/pdf University of Pretoria |
| spellingShingle | UCTD Sustainable Development Goals (SDGs) Police precinct boundaries Voronoi diagrams Accessibility Crime rates Spatial similarity Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa |
| title | Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa |
| title_full | Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa |
| title_fullStr | Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa |
| title_full_unstemmed | Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa |
| title_short | Spatial linear network Voronoi analysis to quantify accessibility of police stations in South Africa |
| title_sort | spatial linear network voronoi analysis to quantify accessibility of police stations in south africa |
| topic | UCTD Sustainable Development Goals (SDGs) Police precinct boundaries Voronoi diagrams Accessibility Crime rates Spatial similarity |
| url | http://hdl.handle.net/2263/100629 https://doi.org/10.25403/UPresearchdata.28378535 |