{"title":"Spatial Proportionality Between Two Types of Points","authors":"Yukio Sadahiro","doi":"10.1111/gean.70038","DOIUrl":null,"url":null,"abstract":"<p>This paper discusses the relationship between two types of points with a focus on spatial proportionality. The spatial proportionality referred to in this paper indicates the relationship in which one type of points is evenly distributed in relation to the other type of points. Examples include the spatial relationship between supermarkets and individuals, crimes and low-income residents, nursery schools and pupils, and so forth. Though analysis of spatial proportionality permits us to understand its underlying factors, analytical methods have not yet been fully developed. To fill the research gap, we propose a new method for evaluating the spatial proportionality between two types of points. We propose two statistics that measure the degree of spatial proportionality. We test the validity of the statistics through the applications to hypothetical and real datasets. The results indicate the effectiveness of the statistics and provide empirical findings.</p>","PeriodicalId":12533,"journal":{"name":"Geographical Analysis","volume":"58 2","pages":""},"PeriodicalIF":2.4000,"publicationDate":"2026-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/gean.70038","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Geographical Analysis","FirstCategoryId":"89","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/gean.70038","RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"GEOGRAPHY","Score":null,"Total":0}
引用次数: 0
Abstract
This paper discusses the relationship between two types of points with a focus on spatial proportionality. The spatial proportionality referred to in this paper indicates the relationship in which one type of points is evenly distributed in relation to the other type of points. Examples include the spatial relationship between supermarkets and individuals, crimes and low-income residents, nursery schools and pupils, and so forth. Though analysis of spatial proportionality permits us to understand its underlying factors, analytical methods have not yet been fully developed. To fill the research gap, we propose a new method for evaluating the spatial proportionality between two types of points. We propose two statistics that measure the degree of spatial proportionality. We test the validity of the statistics through the applications to hypothetical and real datasets. The results indicate the effectiveness of the statistics and provide empirical findings.
期刊介绍：
First in its specialty area and one of the most frequently cited publications in geography, Geographical Analysis has, since 1969, presented significant advances in geographical theory, model building, and quantitative methods to geographers and scholars in a wide spectrum of related fields. Traditionally, mathematical and nonmathematical articulations of geographical theory, and statements and discussions of the analytic paradigm are published in the journal. Spatial data analyses and spatial econometrics and statistics are strongly represented.
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