Article Content
Abstract
The bimodal generalized extreme value (BGEV) distribution was first introduced in 2023. This distribution offers greater flexibility than the generalized extreme value (GEV) distribution for modeling extreme and heterogeneous (bimodal) events. However, applying this model requires a data-centering technique, as it lacks a location parameter. In this work, we investigate the properties of the BGEV distribution as redefined in 2024, which incorporates a location parameter, thereby enhancing its flexibility in practical applications. We derive explicit expressions for the probability density, the hazard rate, and the quantile function. Furthermore, we establish the identifiability property of this new class of BGEV distributions and compute expressions for the moments, the moment-generating function, and entropy. The applicability of the new model is illustrated using climate data.
Keywords: heterogeneous data; bimodal GEV distribution; properties
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MDPI and ACS Style
Otiniano, C.E.G.; Lisboa, M.N.S.; Ribeiro, T.K.A. A Revised Bimodal Generalized Extreme Value Distribution: Theory and Climate Data Application. Entropy 2025, 27, 749. https://doi.org/10.3390/e27070749
AMA Style
Otiniano CEG, Lisboa MNS, Ribeiro TKA. A Revised Bimodal Generalized Extreme Value Distribution: Theory and Climate Data Application. Entropy. 2025; 27(7):749. https://doi.org/10.3390/e27070749Chicago/Turabian Style
Otiniano, Cira E. G., Mathews N. S. Lisboa, and Terezinha K. A. Ribeiro. 2025. “A Revised Bimodal Generalized Extreme Value Distribution: Theory and Climate Data Application” Entropy 27, no. 7: 749. https://doi.org/10.3390/e27070749
Otiniano CEG, Lisboa MNS, Ribeiro TKA. A Revised Bimodal Generalized Extreme Value Distribution: Theory and Climate Data Application. Entropy. 2025; 27(7):749. https://doi.org/10.3390/e27070749Chicago/Turabian Style
Otiniano, Cira E. G., Mathews N. S. Lisboa, and Terezinha K. A. Ribeiro. 2025. “A Revised Bimodal Generalized Extreme Value Distribution: Theory and Climate Data Application” Entropy 27, no. 7: 749. https://doi.org/10.3390/e27070749
APA Style
Otiniano, C. E. G., Lisboa, M. N. S., & Ribeiro, T. K. A. (2025). A Revised Bimodal Generalized Extreme Value Distribution: Theory and Climate Data Application. Entropy, 27(7), 749. https://doi.org/10.3390/e27070749
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