نتایج جستجو برای: logistic distribution

تعداد نتایج: 706732  

Journal: :International Journal of Mathematics and Mathematical Sciences 2004

Journal: :Communications in Statistics - Theory and Methods 2016

Journal: :International Journal of Mathematics and Statistics 2023

This paper introduces a new distribution named Exponential Modified Weibull logistic distribution. generalizes the following distributions: (1) Linear Failure Rate Logistic Distribution, (2) (3) Rayleigh (4) where failure rate, Weibull, and exponential distributions are most used for analyzing lifetime data. The properties of derived that include expressions rthmoment, characteristic function q...

In this paper, we consider the estimation of the unknown parameter of the scaled logistic distribution on the basis of record values. The maximum likelihood method does not provide an explicit estimator for the scale parameter. In this article, we present a simple method of deriving an explicit estimator by approximating the likelihood function. Bayes estimator is obtained using importance samp...

2012
John Paisley Chong Wang David M. Blei

We present the discrete infinite logistic normal distribution (DILN), a Bayesian nonparametric prior for mixed membership models. DILN generalizes the hierarchical Dirichlet process (HDP) to model correlation structure between the weights of the atoms at the group level. We derive a representation of DILN as a normalized collection of gamma-distributed random variables and study its statistical...

2008
A. K. Olapade

It is well known that generalized models is attracting the attention of researchers in recent times because of their flexibilities. Particularly, the logistic model has been generalized and applied by many authors while the half logistic distribution has not recieve much attention in term of its generalization. In this paper, we considered a generalized form of half logistic model called type I...

Journal: :Int. J. Math. Mathematical Sciences 2004
A. K. Olapade

The importance of the logistic distribution has already been felt in many areas of human endeavour. Verhulst [12] used it in economic and demographic studies. Berkson [3, 4, 5] used the distribution extensively in analyzing bioassay and quantal response data. The works [6, 9, 10, 11, 8] are a few of many publications on logistic distribution. The simplicity of the logistic distribution and its ...

Journal: :مدیریت زنجیره تأمین 0
عبدالستار صفائی احمد محمدپور لاریمی قاسم افضلی حاجی دلا

organizations around the world are seeking for tactics and techniques in order to survive in today's turbulent competitive environment. one of these approaches is outsourcing logistics supply chain operations in terms of third-party logistics companies. the results of the researches in supply chain, confirms the importance of third party logistic companies and the synergy of these companies for...

2004
M. O. Ojo A. K. Olapade

Because of their flexibility, much attention has been given to the study of generalized models in recent times. In particular, many authors have investigated the properties of the generalized logistic distribution and its application in analysing bioassay and quantal response data. Recently, Wu Jong-Wuu et al (2000) developed a method which was used to obtain the density function of a five-para...

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