نتایج جستجو برای: normalindependent distributions

تعداد نتایج: 134445  

Mohamed Habibullah, Mohammad Ahsanullah,

Among all measures of independence between random variables, mutual information is the only one that is based on information theory. Mutual information takes into account of all kinds of dependencies between variables, i.e., both the linear and non-linear dependencies. In this paper we have classified some well-known bivariate distributions into two classes of distributions based on their mutua...

Bivariate semi-logistic and Marshall-Olkin bivariate semi-logistic distributions are introduced. Some properties of these distributions are studied. First order autoregressive processes with bivariate semi-logistic and Marshall-Olkin bivariate semi-logistic distributions as marginals are introduced and studied.

Journal: :journal of the iranian statistical society 0
g. g. hamedani

several characterizations of marshall-olkin generalized distributions, introduced by gui (2013) and by al-saiari et al. (2014) are presented. these characterizations are based on: (i) a simple relationship between two truncated moments ; (ii) the hazard function.

Journal: :journal of sciences, islamic republic of iran 2015
z. javanshiri a. habibi rad n.r. arghami

in this paper, we propose and study exp-kumaraswamy distribution. some of its properties  are derived, including the density function, hazard rate function, quantile function, moments,  skewness  and kurtosis.   adata set isused to illustrate an application of the proposed distribution. also, we obtain a new distribution by transformation onexp-kumaraswamy distribution.   new distribution is an...

ژورنال: اندیشه آماری 2019

‎WinBUGS is one of the usual softwares in computational Bayesian statistics‎, ‎which is used to fit Baysian models easily‎. ‎Although this software has usual mathematical functions and statistical distributions as built in functions‎, ‎sometimes it is necessary to include other functions and distributions in computations which is done by some tricks and indirectly‎. ‎By using WinBUGS developmen...

Abbas Mahdavi , Giovana Oliveira Silva,

 Abstract: A new method to generate various family of distributions is introduced. This method introduces a new two-parameter extension of the exponential distribution to illustrate its application. Some statistical and reliability properties of the new distribution, including explicit expressions for the moments, quantiles, mode, moment generating function, mean residual lifetime, stochas...

Journal: :International maritime health 2014
Selçuk Nas Remzi Fışkın

BACKGROUND Obesity and overweight threaten not only seafarer's health but also the safety of operations on board a ship. The aim of the study was to investigate the statistical distribution of obesity and overweight among Turkish seafarers by using the health examination reports data collected between 2009 and 2012. MATERIALS AND METHODS The data on weight, height and age obtained from 143,34...

2005
Erdem Acar Raphael T. Haftka

Probabilistic structural design is beset with a credibility problem. Uncertainties associated with errors in structural and aerodynamic modeling and quality of construction are not well characterized as statistical distributions. Therefore, many engineers are skeptical of the accuracy of failure probability predictions. We propose a probabilistic design optimization method, where the probabilit...

1994
Theo E. Schouten

Segmentation methods for images often have cost functions which evaluate the (dis)similarity between pixels or segments. Thresholds on cost values are then used to decide whether or not to grow, join or split segments. The results for a given image critically depend on the selection of the threshold values. In remote sensing, a too low threshold will split up regions of constant ground cover an...

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