A generalization to the log-inverse Weibull distribution and its applications in cancer research

C. Satheesh Kumar () and Subha R. Nair ()
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C. Satheesh Kumar: University of Kerala
Subha R. Nair: HHMSPB NSS College for Women, University of Kerala

Journal of Statistical Distributions and Applications, 2021, vol. 8, issue 1, 1-30

Abstract: Abstract In this paper we consider a generalization of a log-transformed version of the inverse Weibull distribution. Several theoretical properties of the distribution are studied in detail including expressions for its probability density function, reliability function, hazard rate function, quantile function, characteristic function, raw moments, percentile measures, entropy measures, median, mode etc. Certain structural properties of the distribution along with expressions for reliability measures as well as the distribution and moments of order statistics are obtained. Also we discuss the maximum likelihood estimation of the parameters of the proposed distribution and illustrate the usefulness of the model through real life examples. In addition, the asymptotic behaviour of the maximum likelihood estimators are examined with the help of simulated data sets.

Keywords: Hazard rate; Maximum likelihood estimation; Model selection; Order statistics; Reliability measures; Simulation; 60E05; 60E10. (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:spr:jstada:v:8:y:2021:i:1:d:10.1186_s40488-021-00116-1

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DOI: 10.1186/s40488-021-00116-1

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