نتایج جستجو برای: asymmetric distribution

تعداد نتایج: 668717  

2012
Elisabeth Waldmann Thomas Kneib Yu Ryan Yu Stefan Lang Yu Ryan Yue

Quantile regression provides a convenient framework for analyzing the impact of covariates on the complete conditional distribution of a response variable instead of only the mean. While frequentist treatments of quantile regression are typically completely nonparametric, a Bayesian formulation relies on assuming the asymmetric Laplace distribution as auxiliary error distribution that yields po...

Journal: :The Journal of chemical physics 2005
Arne Schwettmann Jack Franklin K Richard Overstreet James P Shaffer

Stark deceleration is one of the few methods that can be used to slow polyatomic molecules. We present calculations of Stark shift energies, a quantitative analysis of nonadiabatic transition probabilities, and orientational distribution functions applicable to typical Stark slowing conditions for the two small asymmetric rotors nitromethane and acetaldehyde. We show that asymmetric polyatomic ...

2014
Joana LIPEIKIENE

The problem of determination of a change point in the properties of autoregressive sequences with unknown distribution is analysed. Two robust algorithms for the estimation of a change point when the distribution is symmetric and asymmetric are presented.

Journal: :journal of dentistry, tehran university of medical sciences 0
allahyar geramy professor, dental research center dentistry research institute, department of orthodontics, tehran university of medical sciences, tehran, iran omid mortezai assistant professor of orthodontics, dental caries prevention research center, qazvin university of medical sciences, qazvin, iran masomeh esmaily assistant professor, department of orthodontics, lorestan university of medical sciences, khorramabad, iran hojat darvishpour postgraduate student, orthodontics department, school of dentistry, tehran university of medical sciences, tehran, iran

o bjectives: headgears are among the effective orthodontic appliances to achieve treatment goals. unilateral molar distal movement is sometimes needed during an orthodontic treat- ment, which can be achieved by an asymmetric headgear. different unilateral headgears have been introduced. the main goal of this study was to analyze the force system of uni- lateral expanded outer bow asymmetric hea...

Journal: :CoRR 2010
Martianus Frederic Ezerman Somphong Jitman San Ling

Assuming the validity of the MDS Conjecture, the weight distribution of all MDS codes is known. Using a recently-established characterization of asymmetric quantum error-correcting codes, linear MDS codes can be used to construct asymmetric quantum MDS codes with dz ≥ dx ≥ 2 for all possible values of length n for which linear MDS codes over Fq are known to exist.

Journal: :Seizure 2008
Halisson Bastos Paula Fabiana Sobral da Silva Marco Antônio Veloso de Albuquerque Adriana Mattos Rudimar Santos Riesgo Lygia Ohlweiler Maria Isabel Bragatti Winckler José Augusto Bragatti Rodrigo Dias Duarte Denise Isabel Zandoná

The authors report two cases of Brazilian children with most of the common syndromic features of Proteus syndrome, such as asymmetric overgrowth of tissues, skin abnormalities, hypotonia and mental retardation. In both patients, a refractory epilepsy, compatible with Ohtahara syndrome, as well as hemimegalencephaly, with asymmetric distribution of facial fat, were also diagnosed.

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