Andishe_ye Amari

Andishe_ye Amari

Log-logistic hyperbolic cosine distribution and estimation of its parameters using maximum likelihood, Bayesian, and autocorrelation methods

Document Type : Original Article

Authors
1 Faculty Member, Department of Statistics, Vali Asr University, Rafsanjan, Iran
2 Master's degree in Statistics, University of Mazandaran, Iran
Abstract
In this paper, a new probability distribution based on the family of hyperbolic cosine F-(HCF) distributions is introduced and its various statistical properties and reliability are investigated. The new class of HCF distributions is obtained by combining a cumulative F distribution with the hyperbolic cosine function. Based on the basic log-logistic distribution, a new distribution called hyperbolic cosine log-logistic (HCLL) is introduced and various properties of the distribution such as moments, quantiles, moment generating function, failure rate function, mean remaining life, ordinal statistics and stress-resistance parameter are presented. The estimation of the parameters of the HCLL distribution for a real data set is investigated through three methods: maximum likelihood, Bayesian and autocorrelation (parametric and nonparametric). The efficiency of the maximum likelihood estimation method is evaluated through Monte Carlo simulation. Also, in the application section, using a real dataset, the superiority of the HCLL model over the generalized exponential, Weibull, exponential hyperbolic cosine, gamma, and weighted exponential distributions is demonstrated through various model selection criteria.
Keywords

Volume 22, Issue 2
February 2018
Pages 111-123

  • Receive Date 13 May 2025
  • First Publish Date 13 May 2025
  • Publish Date 20 February 2018