نتایج جستجو برای: grey correlation

تعداد نتایج: 409415  

Journal: :JNW 2011
Chengli Zhao Yanheng Liu Zhiheng Yu

Survivability has been one of the active fields in network security recently. In order to evaluate the survivability of networked system effectively, this paper proposes a method of combining grey correlation analysis and improved TOPSIS for quantitative assessment. Firstly, it normalizes indicator matrix according to improved TOPSIS method and determines the positive and negative ideal solutio...

2009
S.H. Eriksson S.L. Free M. Thom M.R. Symms L. Martinian J.S. Duncan S.M. Sisodiya

Voxel-based morphometry (VBM) is commonly used to study systematic differences in brain morphology from patients with various disorders, usually by comparisons with control subjects. It has often been suggested, however, that VBM is also sensitive to variations in composition in grey matter. The nature of the grey matter changes identified with VBM is still poorly understood. The aim of the cur...

Journal: :Biological psychology 2016
Laura N van der Laan Lisette Charbonnier Sanne Griffioen-Roose Floor M Kroese Inge van Rijn Paul A M Smeets

Restrained eaters do not eat less than their unrestrained counterparts. Proposed underlying mechanisms are that restrained eaters are more reward sensitive and that they have worse inhibitory control. Although fMRI studies assessed these mechanisms, it is unknown how brain anatomy relates to dietary restraint. Voxel-based morphometry was performed on anatomical scans from 155 normal-weight fema...

2011
Robert Perneczky Boyd C.P. Ghosh Laura Hughes Roger H.S. Carpenter Roger A. Barker James B. Rowe

Brain regions related to saccadic control are affected by Parkinson's disease (PD) pathology and a relationship between abnormal saccades and cognitive features of PD has been suggested. We measured the latency of visually-evoked saccades, and correlated best-fit parameters in a LATER neuronal decision model μ and σ (mean and SD of the distribution of reciprocal latency, i.e. speed of response)...

2016
Yunna WU Limin CUI

According to the qualitative safety evaluation index system of electric power communication network, it is easy to occur in the scoring problems, we put forward a kind of expert evaluation data by correlation degree, solve the problem of qualitative index difference. The method based on Relative Grey Relational Analysis on safety evaluation data, the establishment of expert evaluation of the re...

2011
Che-Tsung Tung

The main purpose of this study is to evaluate the financial Performance of four listed Taiwanese airline companies by combining grey theory and principal component analysis. The absolute degree of grey incidence (ADGI) matrix was introduced to replace the correlation matrix of the traditional PCA, and build an evaluation model of grey principle component analysis (GPCA). Based on this model, th...

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