نتایج جستجو برای: akaike information criterion

تعداد نتایج: 1214690  

Journal: :EURASIP J. Adv. Sig. Proc. 2009
Shapoor Khorshidi Mahmood Karimi

A new theoretical approximation for expectation of the prediction error is derived using the same-realization predictions. This approximation is derived for the case that the Least-Squares-Forward (LSF) method (the covariance method) is used for estimating the parameters of the autoregressive (AR) model. This result is used for obtaining modified versions of the AR order selection criteria FPE ...

Journal: :Int. J. Image Graphics 2002
Kenichi Kanatani

Reformulating the Costeira-Kanade algorithm as a pure mathematical theorem, we present a robust segmentation procedure, which we call subspace separation, by incorporating model selection using the geometric AIC. We then study the problem of estimating the number of independent motions using model selection. Finally, we present criteria for evaluating the reliability of individual segmentation ...

2015
John Fieberg Douglas H. Johnson JOHN FIEBERG DOUGLAS H. JOHNSON

Weconsider a variety of regressionmodeling strategies for analyzingobservational data associated with typical wildlife studies, including all subsets and stepwise regression, a single full model, and Akaike’s InformationCriterion (AIC)-basedmultimodel inference.Although there are advantages and disadvantages to each approach, we suggest that there is no unique best way to analyze data. Further,...

Journal: :Communications in Statistics - Simulation and Computation 2007
Hal Whitehead

This article maybe used for research, teaching and private study purposes. Any substantial or systematic reproduction, redistribution , reselling , loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to dat...

2003
Jos De Brabanter Kristiaan Pelckmans Johan A.K. Suykens Bart De Moor Joos Vandewalle

Many different methods have been proposed to construct a smooth regression function, including local polynomial estimators, kernel estimators, smoothing splines and LS-SVM estimators. Each of these estimators use hyperparameters. In this paper a robust version for general cost functions based on the Akaike information criterion is proposed.

2008
Genshiro Kitagawa GENSHIRO KITAGAWA

Prof. Akaike made significant contributions in various fields of statistical science, in particular, in time series analysis in frequency domain and time domain, information criterion and Bayes modeling. In this article, his research contributions are described in order of launching period, frequency time domain analysis, time domain time series modeling, AIC and statistical modeling, and Bayes...

Journal: :Scientific reports 2016
Jingliang Liu Hujiang Yang Chuan Wang Kun Xu Jinghua Xiao

Here we experimentally demonstrated the electromagnetically induced transparency (EIT) and Autler-Townes splitting (ATS) effects in mechanical coupled pendulums. The analogue of EIT and ATS has been studied in mechanical systems and the intrinsic physics between these two phenomena are also been discussed. Exploiting the Akaike Information Criterion, we discern the ATS effect from EIT effect in...

2013
Hoda Noorkojuri Ebrahim Hajizadeh Ahmadreza Baghestani Mohamadamin Pourhoseingholi

BACKGROUND Smoothing methods are widely used to analyze epidemiologic data, particularly in the area of environmental health where non-linear relationships are not uncommon. This study focused on three different smoothing methods in Cox models: penalized splines, restricted cubic splines and fractional polynomials. OBJECTIVES The aim of this study was to assess the effects of prognostic facto...

Journal: :Signal Processing 2014
Xuexing Zeng Jinchang Ren Meijun Sun Stephen Marshall Tariq S. Durrani

This paper presents algorithms for generating random variables for exponential/Rayleigh/ Weibull, Nakagami-m and Rician copulas with any desired copula parameter(s), using the direct conditional cumulative distribution function method and the complex Gaussian distribution method. Moreover, a novel method for optimal copula selection is also proposed, based on the criterion that for a given seri...

2009
Janne Pylkkönen

In this paper two common discriminative training criteria, maximum mutual information (MMI) and minimum phone error (MPE), are investigated. Two main issues are addressed: sensitivity to different lattice segmentations and the contribution of the parameter estimation method. It is noted that MMI andMPE may benefit from different lattice segmentation strategies. The use of discriminative criteri...

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