Abstract #301935

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JSM 2002 Abstract #301935
Activity Number: 146
Type: Contributed
Date/Time: Monday, August 12, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Risk Analysis*
Abstract - #301935
Title: The "Trinomial Bivariate" Paradigm in Geographic Information Systems (GIS)
Author(s): Turkan Gardenier*+
Affiliation(s): Pragmatica Corp.
Address: 246 Maple Ave East, Suite 206, Vienna, VA, 22180, USA
Keywords: Trinomial ; Bivariate ; Geographic Information Systems (GIS) ; Record Selection
Abstract:

This presentation will introduce a "Trinomial"or three-category approach to bivariate record selection in order to identify "jointly high," "jointly low," observations for mapping with Geographic Information Systems (GIS). The paradigm arises in settings where co-occurrence or causal associations are sought among two or more variables. The query of bivariate association also necessitates the identification of those geographic locations where "low/high" and "high/low" attribution is observed so that contingency-table oriented tests can be applied for statistical significance testing.

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Revised March 2002