Results 81 to 90 of about 462 (184)

RELIABILITY ANALYSIS OF FAILURE RELATED MECHANICAL PARTS BASED ON VINE COPULA MODEL

open access: yesJixie qiangdu, 2019
Aiming at mechanical parts for multi-failure modes,the advantages of using Copula functions to describe correlations,a reliability modeling method for multi-failure mode related mechanical parts is proposed.
HU QiGuo, ZHOU Song
doaj  

Finansal bağımlılık analizi: Vine ve CD Vine Copula yaklaşımları

open access: yes, 2021
Bu çalışma giriş, önceki çalışmalar, materyal metod, bulgular ve sonuç olmak üzere beş bölümden oluşmaktadır. Birinci bölümde copula fonksiyonunun bölümleri ve önemi hakkında bilgi verilmiştir. İkinci bölümde copula fonksiyonlarının özellikle finansal alanda yapmış olduğu çalışmalar hakkında bilgi verilmiştir.
openaire   +1 more source

Modeling Dependence with C- and D-Vine Copulas: The R Package CDVine

open access: yesJournal of Statistical Software, 2013
Flexible multivariate distributions are needed in many areas. The popular multivariate Gaussian distribution is however very restrictive and cannot account for features like asymmetry and heavy tails.
Eike Christian Brechmann   +1 more
doaj  

Temporal changes in precipitation and correlation with large climate indicators in the Hengshao Drought Corridor, China

open access: yesEcological Indicators
Understanding the lagged correlations between regional precipitation and large scale climate indicators (LCI) is crucial for water management and drought risk assessment.
Tianyan Zhang   +8 more
doaj   +1 more source

Reliability Assessment for Multivariate Degradation System Based on Uncertainty and Chatterjee Correlation Coefficient

open access: yesSystems
Considering the effects of complex correlations between variables and uncertainty of degradation processes in multivariate degradation systems, a system reliability assessment method that integrated Chatterjee correlation coefficient and stochastic ...
Jiayin Tang, Mengjia Jiang, Yamin Mao
doaj   +1 more source

Tail Risk in Weather Derivatives

open access: yesCommodities
Weather derivative markets, particularly Chicago Mercantile Exchange (CME) Heating Degree Day (HDD) and Cooling Degree Day (CDD) futures, face challenges from complex temperature dynamics and spatially heterogeneous co-extremes that standard Gaussian ...
Tuoyuan Cheng   +2 more
doaj   +1 more source

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