Results 21 to 30 of about 21,872 (265)

Multivariate measures of skewness for the skew-normal distribution

Journal of Multivariate Analysis, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
BALAKRISHNAN N, SCARPA, BRUNO
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Application of Aeolian Sediments Granulometry Characteristics to Determine the Morphology of Homogenous Sand Dunes through Multivariate Data Analysis (Case Study: Kashan Erg) [PDF]

مدیریت بیابان, 2013
Kashan Erg is one of the most important sand seacomplexes in Iran. The Current research tried to determine the homogeneity of Kashan Erg through multivariate data analysis.
Asghar Tavakkoli Fard, Ali Akbar Nazari Samani, Hoda Ghasemieh, Nasser Mashhadi   +3 more
doaj   +1 more source

The Effect of External Corporate Governance Mechanism on the Stock Price Crash Risk with Emphasis on Financial Reporting Quality and Auditor Expertise in the Industry [PDF]

بررسی‌های حسابداری و حسابرسی, 2021
Objective: The main purpose of this study is to examine the effect of external corporate governance mechanism on stock price crash risk in firms listed on the Tehran Stock Exchange, with emphasis on financial reporting quality and auditor industry ...
Mahnaz Eslamdoost, Rostam Ranjbar Navi, Hassan Chenari   +2 more
doaj   +1 more source

Multivariate skew-symmetric distributions

Applied Mathematics Letters, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Arjun K. Gupta, Fu-Chuen Chang
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Texture Analysis of Sequential Images of T2-weighted Imaging and Diffusion-weighted Imaging for Predicting the Efficacy of Chemoradiotherapy in Cervical Squamous Cell Carcinoma

Xiehe Yixue Zazhi, 2021
Objective  To investigate the correlation of the texture parameters of T2-weighted imaging (T2WI) and diffusion-weighted imaging (DWI) with the efficacy of chemoradiotherapy in cervical squamous cell carcinoma.
SU Baiyan, QI Yafei, GUAN Hui, HE Yonglan, XUE Huadan, JIN Zhengyu   +5 more
doaj   +1 more source

A multivariate skew normal distribution

Journal of Multivariate Analysis, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gupta, Arjun K., González-Farı́as, Graciela, Domı́nguez-Molina, J.Armando   +2 more
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The Skew Normal multivariate risk measurement framework [PDF]

Computational Management Science, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mauro Bernardi, Roy Cerqueti, Arsen Palestini   +2 more
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PREDICTING THE DEPOSITIONAL ENVIRONMENTS AND TRANSPORTATION MECHANISMS OF SEDIMENTS USING GRANULOMETRIC PARAMETERS, BIVARIATE AND MULTIVARIATE ANALYSES

GeoScience Engineering, 2019
Grain size distribution and classes present in sedimentary rocks are responsive to the physical changes of the transporting media and the basin of deposition.
P. R. IKHANE, O.V. OLADIPO, O.O. OYEBOLU
doaj   +1 more source

Cumulants of Multivariate Symmetric and Skew Symmetric Distributions [PDF]

Symmetry, 2021
This paper provides a systematic and comprehensive treatment for obtaining general expressions of any order, for the moments and cumulants of spherically and elliptically symmetric multivariate distributions; results for the case of multivariate t-distribution and related skew-t distribution are discussed in some detail.
Sreenivasa Rao Jammalamadaka, Emanuele Taufer, György H. Terdik   +2 more
openaire   +3 more sources

covsim: An R Package for Simulating Non-Normal Data for Structural Equation Models Using Copulas

Journal of Statistical Software, 2022
In factor analysis and structural equation modeling non-normal data simulation is traditionally performed by specifying univariate skewness and kurtosis together with the target covariance matrix.
Steffen Grønneberg, Njål Foldnes, Katerina M. Marcoulides   +2 more
doaj   +1 more source