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Author

Sasipong Kijsason

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Open access Aug 2026

Bayesian Estimation for the Single Coefficient of Variation of Zero-Inflated Two-Parameter Rayleigh Distribution

Real data such as road traffic mortality rates and lifetime observations are often zero-inflated and right-skewed. The zero-inflated two-parameter Rayleigh (ZITR) distribution is employed to model such data in this study. The coefficient of variation (CV) is a statistical measure that is used to quantify the relative d...

Sasipong Kijsason, S. Niwitpong, S. Niwitpong · 0 citations
Open access Jul 2026

Bayesian Estimation of the Difference and Ratio of the Coefficients of Variation Under the Zero-Inflated Two-Parameter Rayleigh Distribution

The coefficient of variation (CV) is a widely used unit-free measure for comparing variability across two or more populations, even when the data are measured on different scales. In this study, we investigate confidence and credible interval estimation for the difference and ratio of CVs from the zero-inflated two-par...

Sasipong Kijsason, S. Niwitpong, S. Niwitpong · 0 citations

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