4.4 Article

The generalized odd log-logistic-G regression with interval-censored survival data

Journal

JOURNAL OF APPLIED STATISTICS
Volume -, Issue -, Pages -

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/02664763.2023.2230533

Keywords

Bayesian inference; generalized odd log-logistic family; interval-censored data; regression model; residual analysis; >

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The article introduces a new regression method based on the generalized odd log-logistic family for interval-censored data. This family is suitable for interval modeling as it generalizes popular lifetime distributions and can represent various forms of the risk function. The parameters are estimated using classical and Bayesian methods, and the goodness of fit is assessed using selection criteria, likelihood ratio tests, residual analysis, and graphical techniques. Two real data sets demonstrate the usefulness of the proposed models.
The article proposes a new regression based on the generalized odd log-logistic family for interval-censored data. The survival times are not observed for this type of data, and the event of interest occurs at some random interval. This family can be used in interval modeling since it generalizes some popular lifetime distributions in addition to its ability to present various forms of the risk function. The estimation of the parameters is addressed by the classical and Bayesian methods. We examine the behavior of the estimates for some sample sizes and censorship percentages. Selection criteria, likelihood ratio tests, residual analysis, and graphical techniques assess the goodness of fit of the fitted models. The usefulness of the proposed models is red shown by means of two real data sets.

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