نتایج جستجو برای: generalized linear model

تعداد نتایج: 2565858  

Journal: :Computational Statistics & Data Analysis 2010
Graciela Boente Daniela Rodriguez

In many situations, data follow a generalized partly linear model in which the mean of the responses is modeled, through a link function, linearly on some covariates and nonparametrically on the remaining ones. A new class of robust estimates for the smooth function η, associated to the nonparametric component, and for the parameter β, related to the linear one, is defined. The robust estimator...

2015
Sreangsu Acharyya Joydeep Ghosh

Canonical generalized linear models (GLM) are specified by a finite dimensional vector and a monotonically increasing function called the link function. Standard parameter estimation techniques hold the link function fixed and optimizes over the parameter vector. We propose a parameter-recovery facilitating, jointly-convex, regularized loss functional that is optimized globally over the vector ...

2017
Paul Rippon John Rayner J.C.W. Rayner

The smooth testing approach described in [2] has been used to develop a test of the distributional assumption for generalized linear models. Application of the test to help assess Poisson and logistic regression models is discussed. Power is compared to other common tests.

Journal: :Statistical Methods and Applications 2009
Silvia Figini Paolo Giudici

In the paper we propose nonparametric approaches for elearning data. In particular we want to supply a measure of the relative exercises importance, to estimate the acquired Knowledge for each student and finally to personalize the e-learning platform. The methodology employed is based on a comparison between nonparametric statistics for kernel density classification and parametric models such ...

Journal: :NeuroImage 2012
Jean-Baptiste Poline Matthew Brett

In this review, we first set out the general linear model (GLM) for the non technical reader, as a tool able to do both linear regression and ANOVA within the same flexible framework. We present a short history of its development in the fMRI community, and describe some interesting examples of its early use. We offer a few warnings, as the GLM relies on assumptions that may not hold in all situ...

2015
Javier Taboada Ángeles Saavedra María Paz Fernando G. Bastante Leandro R. Alejano

We statistically analysed the chemical components present in waste water from mines in Galicia (NW Spain). These elements pose a risk to public health and the environment, most particularly in the event of a failure in the containment structure of a pond or dam. The statistical processing of the data, which started with an analysis of the typical contaminants present in mining ponds and dams, p...

ژورنال: طلوع بهداشت یزد 2016
اسدی, فریبا, رحمانیان, مسعود, عمادی, مهدی, فلاح زاده, حسین,

. Comparison of Generalized Linear Mixed and Generalized Linear Models in Determining Type II Diabetes Related Factors in Yazd Fallahzadeh H(Ph.D)1,Rahmanian M(Ph.D)2,Emadi M(Ph.D)3,Asadi F(M.Sc)4 1. Professor of Biostatistics, Department of Biostatistics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. 2. Corresponding Author: Graduate student of Biostat...

Journal: :international journal of mathematical modelling and computations 0
navin chandra pondicherry university india department of statistics mashroor ahmad kha

in this paper, we consider an  i.e., multiple step-stress accelerated life testing (alt) experiment with unequal duration of time . it is assumed that the time to failure of a product follows rayleigh distribution with a log-linear relationship between stress and lifetime and also we assume a generalized khamis-higgins model for the effect of changing stress levels. taking into account that the...

Journal: :Statistics and Computing 2011
Ruggero Bellio Alessandra R. Brazzale

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