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On Robust Environmental Quality Indices


Citation

Khamis, Azme and Abdullah, Mokhtar (2004) On Robust Environmental Quality Indices. Pertanika Journal of Science & Technology, 12 (1). pp. 1-9. ISSN 0128-7680

Abstract / Synopsis

This paper discusses a formulation of new environmental quality indices, which can be used for monitoring environmental as well as meteorological parameters. The formulation of the indices is based on conventional and robust principal component analysis, which gives the linear combination of environmental parameters. Comparisons are made between the conventional principal component analysis (PCA) indices and robust principal component analysis (RPCA) indices. The results show that the RPCA gave a better alternative linear combination. A numerical example on air quality was used to illustrate the application of the robust environmental indices.


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Additional Metadata

Item Type: Article
Publisher: Universiti Putra Malaysia Press
Keywords: Conventional principal component analysis, robust principal component analysis, quality indices, MLT-estimator, CMB-estimator
Depositing User: Nur Izyan Mohd Zaki
Date Deposited: 01 Dec 2009 09:22
Last Modified: 27 May 2013 15:10
URI: http://psasir.upm.edu.my/id/eprint/3677
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