On Discriminating between Gamma and Log-logistic Distributions in Case of Progressive Type II Censoring
Gamma and log-logistic distributions are two popular distributions for analyzing lifetime data. In this paper, the problem of discriminating between these two distribution functions is considered in case of progressive type II censoring. The ratio of the maximized likelihood test (RML) is used to di...
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| Veröffentlicht in: | Pakistan journal of statistics and operation research 2017-01, Vol.13 (1), p.157 |
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| creator | Ahmed Elsherpieny, Elsayed Zeyada Muhammed, Hiba Usama Mohamed Mohamed Radwan, Noha |
| description | Gamma and log-logistic distributions are two popular distributions for analyzing lifetime data. In this paper, the problem of discriminating between these two distribution functions is considered in case of progressive type II censoring. The ratio of the maximized likelihood test (RML) is used to discriminate between them. Some simulation experiments were performed to see how the probability of correct selection (PCS) under each model work for small sample sizes. Real data life is analyzed to see how the proposed method works in practice. As a special case of progressive type II censoring, the problem of discriminating between gamma and log-logistic in case of complete samples is considered. The RML and the ratio of Minimized Kullback-Leibler Divergence (RMKLD) tests are used to discriminate between them. The asymptotic results are used to estimate the PCS which is used to calculate the minimum sample size required for discriminating between two distributions. Two real life data are analyzed. |
| doi_str_mv | 10.18187/pjsor.v13i1.1524 |
| format | Article |
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| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Computer simulation Distribution functions Divergence |
| title | On Discriminating between Gamma and Log-logistic Distributions in Case of Progressive Type II Censoring |
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