ELSA: a new local indicator for spatial association

N.A.S. Hamm, B. Naimi, T.A. Groen

Research output: Contribution to conferencePaper

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There are several local indicators of spatial association (LISA) that allow exploration of local patterns in spatial data. Despite numerous situations where categorical variables are encountered, few attempts have been devoted to the development of methods to explore the local spatial pattern in categorical data. To our knowledge, there is no indicator of local spatial association that can be used for both continuous and categorical data. We introduce ELSA, which can be used for exploring and testing
local spatial association for continuous and categorical variables. We provide the R-package elsa for making these computations.
Original languageEnglish
Number of pages7
Publication statusPublished - 14 Apr 2021
EventGIS Research UK Conference (GISRUK), Cardiff, Wales, UK (Online) - Cardiff, United Kingdom
Duration: 14 May 202016 May 2020


ConferenceGIS Research UK Conference (GISRUK), Cardiff, Wales, UK (Online)
Abbreviated titleGISRUK 2021
Country/TerritoryUnited Kingdom
Internet address


  • LISA
  • continuous data
  • categorical data
  • hierarchical classification


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