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OJVRTM
Online Journal
of Veterinary Research©
(Including
Medical and Laboratory Research)
Established
1994
ISSN 1328-925X
Volume 27 (12):687-694, 2023.
Hayal
Boyacioglu1*, Hulya Boyacioglu2
1*Ege University, Faculty of Science,
Department of Statistics, 35100 Bornova Izmir, Turkey,
Email: hayal.boyacioglu@ege.edu.tr,2 Dokuz Eylul University, Department of
Environmental Engineering. 35390 Buca Izmir Turkey,
Email: hulya.boyacioglu@deu.edu.tr,
*corresponding author: hayal.boyacioglu@ege.edu.tr
Boyacioglu HA, Boyacioglu HU., Exploratory
confirmatory factor analysis for water quality fingerprinting, Onl J Vet Res., 27 (12):687-694, 2023. Exploratory factor analysis (EFA) results were
validated by confirmatory factor analysis (CFA) methods. EFA was applied to
water quality data sets from the Küçük Menderes River
in Turkey. The EFA results created one factor. In order to determine whether the factor created by EFA
was adequately represented, CFA was performed. The effectiveness of
various estimation methods comprising Maximum Likelihood (ML), Robust Maximum
Likelihood (RML), Weighted Least Squares (WLS) was
examined. RML was found to be the best in the analysis based on the condition
that the normality assumption could not be achieved, the data is continuous,
and the sample size is not large enough.
Keywords:
Confirmatory Factor Analysis, Maximum Likelihood, Robust Maximum Likelihood, Weighted Least Squares.
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