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power xgamma distribution: properties, estimation, regression, simulation and applications
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نویسنده
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obulezi okechukwu j. ,ibeakuzie precious o. ,anabike ifeanyi c. ,igbokwe chinyere p. ,etaga harrison o.
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منبع
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computational algorithms and numerical dimensions - 2024 - دوره : 3 - شماره : 1 - صفحه:58 -72
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چکیده
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In this study, an extension of xgamma distribution has been proposed and studied. the extension has an additional parameter accounting for the shape of the distribution. the properties of the proposed distribution were derived and discussed. the estimation of the parameters was done using the maximum likelihood method. the study’s uniqueness is in developing a parametric regression model capable of competing with the classical regression model and also useful in the face of censored data. the applicability and flexibility were demonstrated using simulation studies and some lifetime data.
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کلیدواژه
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power xgamma distribution ,covid-19 patients ,cd4 count ,hiv/aids ,log-transformation ,parametric regression
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آدرس
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nnamdi azikiwe university, faculty of sciences, department of statistics, nigeria, nnamdi azikiwe university, faculty of sciences, department of statistics, niger, nnamdi azikiwe university, faculty of sciences, department of statistics, nigeria, abia state polytechnic, school of science and industrial technology, department of statistics, nigeria, nnamdi azikiwe university, faculty of sciences, department of statistics, nigeria
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پست الکترونیکی
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ho.etaga@unizik.edu.ng
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Authors
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