نتایج جستجو برای: normal distribution

تعداد نتایج: 1131872  

Journal: :journal of mahani mathematical research center 0
m. naghavy young researchers society, shahid bahonar university of kerman, kerman, i.r.iran. m. madadi mahani mathematical research center, shahid bahonar university of kerman, kerman, i.r.iran. v. amirzadeh department of statistics, shahid bahonar university of kerman, kerman, i.r.iran.

in this paper, we derive rst some results on the shannon entropyin order statistics and their concomitants arising from a sequence of f(xi; yi): i = 1; 2; :::g independent and identically distributed (iid) random variablesfrom the bivariate normal distribution and extend our results to a collectionc(x; y ) = f(xr1:n; y[r1:n]); (xr2:n; y[r2:n]); :::; (xrk:n; y[rk:n])g of order sta-tistics and t...

Consider an exchangeable normal vector with parameters ????2, and ?. On the basis of a vector observation some tests about these parameters are found and their properties are discussed. A simulation study for these tests and a few nonparametric tests are presented. Some advantages and disadvantages of these tests are discussed and a few applications are given.

 In this paper, we consider a flexible skew-generalized normal distribution. This distribution is denoted by $FSGN(/lambda _1, /lambda _2 /theta)$. It contains the normal, skew-normal (Azzalini, 1985), skew generalized normal (Arellano-Valle et al., 2004) and skew flexible-normal (Gomez et al., 2011) distributions as special cases. Some important properties of this distribution are establi...

Journal: :Anadolu journal of educational sciences international 2022

Araştırmacılar, çoğu hipotez testinden önce testin varsayımlarını incelemektedir. Sıklıkla karşılaşılan bir varsayım ise verinin normal dağılım göstermesidir. Ancak normallik testleri ve betimsel istatistikler çoğunlukla araştırmacıları ikileme düşürerek dağılıp dağılmadığıyla ilgili karar almasını zorlaştırmaktadır. İşte bu yönde araştırmanın amacı çarpıklık katsayısı, örneklem büyüklüğü sürek...

Journal: :Journal of Chemometrics 2014

ژورنال: پژوهش های ریاضی 2017

In this article new generalization of half-normal distribution as the half generalized normal distribution is introduced.‎ This distribution, contains the half-normal distribution as special case. ‎We provide mathematical properties of this distribution. We also derive the pdf, cdf, -th moment, the asymmetry and kurtosis coefficients and the moment generating function. We discuss some inferenti...

In this paper, we discuss a generalization of Balakrishnan skew-normal distribution with two parameters that contains the skew-normal, the Balakrishnan skew-normal and the two-parameter generalized skew-normal distributions as special cases. Furthermore, we establish some useful properties and two extensions of this distribution. 

Journal: :international journal of industrial engineering and productional research- 0
maghsoud amiri associate professor, industrial management department, faculty of management and accounting, allameh tabatabaei university, tehran, iran mehdi seif barghy assistant professor, technical and engineering department, alzahra university laaya olfat associate professor, industrial management department, faculty of management and accounting, allameh tabatabaei university, tehran, iran seyed hossein razavi hajiagha phd candidate, industrial management department, faculty of management and accounting, allameh tabatabaei university, tehran, iran

inventory control is one of the most important issues in supply chain management. in this paper, a three-echelon production, distribution, inventory system composed of one producer, a set of wholesalers and retailers is considered. costumers' demands can be approximated by a normal distribution and the inventory policy is a kind of continuous review (r, q). in this paper, a model based on ...

2013
Afiahayati Kengo Sato Yasubumi Sakakibara

Metagenomes present assembly challenges, when assembling multiple genomes from mixed reads of multiple species. An assembler for single genomes can't adapt well when applied in this case. A metagenomic assembler, Genovo, is a de novo assembler for metagenomes under a generative probabilistic model. Genovo assembles all reads without discarding any reads in a preprocessing step, and is therefore...

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