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Browsing Research Articles (University of Pretoria) by Author "Naderi, Mehrdad"
Now showing items 1-6 of 6
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Hashemi, Farzane; Naderi, Mehrdad; Jamalizadeh, Ahad; Bekker, Andriette, 1958- (Elsevier, 2021-05)Factor analysis is a statistical technique for data reduction and structure detection that traditionally relies on the normality assumption for factors. However, due to the presence of non-normal features such as asymmetry ...
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Mirfarah, Elham; Naderi, Mehrdad; Chen, Ding-Geng (Din) (Elsevier, 2021-06)Mixture of linear experts (MoE) model is one of the widespread statistical frameworks for modeling, classification, and clustering of data. Built on the normality assumption of the error terms for mathematical and computational ...
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Naderi, Mehrdad; Hashemi, Farzane; Bekker, Andriette, 1958-; Jamalizadeh, Ahad (Elsevier, 2020-07)Finite mixture models have recently been considered for analyzing positive support economical data streams with non-normal features. In this paper, a new mixture model based on the novel class of generalized Birnbaum–Saunders ...
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Hashemi, Farzane; Naderi, Mehrdad; Jamalizadeh, Ahad (International Press, 2019)The generalization of Birnbaum-Saunders (BS) distribution has recently received considerable attention to provide accurate inferential results in dealing with survival data, reliability problems, fatigue life studies and ...
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Neethling, Ane; Ferreira, Johannes Theodorus; Bekker, Andriette, 1958-; Naderi, Mehrdad (MDPI Publishing, 2020-07-29)The assumption of symmetry is often incorrect in real-life statistical modeling due to asymmetric behavior in the data. This implies a departure from the well-known assumption of normality defined for innovations in time ...
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Naderi, Mehrdad; Bekker, Andriette, 1958-; Arashi, Mohammad; Jamalizadeh, Ahad (Public Library of Science, 2020-04-09)This paper introduces a new family of matrix variate distributions based on the mean-mixture of normal (MMN) models. The properties of the new matrix variate family, namely stochastic representation, moments and ...
Now showing items 1-6 of 6