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An integrated user-friendly ArcMAP tool for bivariate statistical modeling in geoscience applications


Jebur, Mustafa Neamah and Pradhan, Biswajeet and Mohd Shafri, Helmi Zulhaidi and Md Yusoff, Zainuddin and Tehrany, Mahyat Shafapour (2015) An integrated user-friendly ArcMAP tool for bivariate statistical modeling in geoscience applications. Geoscientific Model Development, 8 (2015). pp. 881-891. ISSN 1991-959X; ESSN: 1991-9603


Modelling and classification difficulties are fundamental issues in natural hazard assessment. A geographic information system (GIS) is a domain that requires users to use various tools to perform different types of spatial modelling. Bivariate statistical analysis (BSA) assists in hazard modelling. To perform this analysis, several calculations are required and the user has to transfer data from one format to another. Most researchers perform these calculations manually by using Microsoft Excel or other programs. This process is time-consuming and carries a degree of uncertainty. The lack of proper tools to implement BSA in a GIS environment prompted this study. In this paper, a user-friendly tool, bivariate statistical modeler (BSM), for BSA technique is proposed. Three popular BSA techniques, such as frequency ratio, weight-of-evidence (WoE), and evidential belief function (EBF) models, are applied in the newly proposed ArcMAP tool. This tool is programmed in Python and created by a simple graphical user interface (GUI), which facilitates the improvement of model performance. The proposed tool implements BSA automatically, thus allowing numerous variables to be examined. To validate the capability and accuracy of this program, a pilot test area in Malaysia is selected and all three models are tested by using the proposed program. Area under curve (AUC) is used to measure the success rate and prediction rate. Results demonstrate that the proposed program executes BSA with reasonable accuracy. The proposed BSA tool can be used in numerous applications, such as natural hazard, mineral potential, hydrological, and other engineering and environmental applications.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.5194/gmd-8-881-2015
Publisher: Copernicus Publications
Keywords: Bivariate; Geoscience; ArcMAP
Depositing User: Mohd Hafiz Che Mahasan
Date Deposited: 20 Sep 2016 04:27
Last Modified: 20 Sep 2016 04:27
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.5194/gmd-8-881-2015
URI: http://psasir.upm.edu.my/id/eprint/43728
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