Smooth copula‐based generalized extreme value model and spatial interpolation for extreme rainfall in Central Eastern Canada
نویسندگان
چکیده
This paper proposes a smooth copula-based Generalized Extreme Value (GEV) model to map and predict extreme rainfall in Central Eastern Canada. The considered data contains large portion of missing values, one observes several nonconcomitant record periods at different stations. proposed two-step approach combines GEV parameters' functions space through the use spatial covariates flexible hierarchical take into account dependence between recording copula structure is detected via clustering algorithm implemented with an adapted version dissimilarity measure recently introduced literature. Finally, we compare classical parameter interpolation approaches modeling approach.
منابع مشابه
Generalized Extreme Value Distribution and Extreme Economic Value at Risk (EE-VaR) October 2007 Generalized Extreme Value Distribution and Extreme Economic Value at Risk (EE-VaR)
Ait-Sahalia and Lo (2000) and Panigirtzoglou and Skiadopoulos (2004) have argued that Economic VaR (E-VaR), calculated under the option market implied risk neutral density is a more relevant measure of risk than historically based VaR. As industry practice requires VaR at high confidence level of 99%, we propose Extreme Economic Value at Risk (EE-VaR) as a new risk measure, based on the General...
متن کاملModelling Extreme Temperature in Malaysia Using Generalized Extreme Value Distribution
Extreme temperature of several stations in Malaysia is modelled by fitting the monthly maximum to the Generalized Extreme Value (GEV) distribution. The Mann-Kendall (MK) test suggests a non-stationary model. Two models are considered for stations with trend and the Likelihood Ratio test is used to determine the best-fitting model. Results show that half of the stations favour a model which is l...
متن کاملA generalized super-efficiency model for ranking extreme efficient DMUs in stochastic DEA
In this current study a generalized super-efficiency model is first proposed for ranking extreme efficient decision making units (DMUs) in stochastic data envelopment analysis (DEA) and then, a deterministic (crisp) equivalent form of the stochastic generalized super-efficiency model is presented. It is shown that this deterministic model can be converted to a quadratic programming model. So fa...
متن کاملhigh volatility, thick tails and extreme value theory in value at risk estimation: the case of liability insurance in iran insurance company
در این بررسی ابتدا به بررسی ماهیت توزیع خسارات پرداخته میشود و از روش نظریه مقادیر نهایی برای بدست آوردن برآورد ارزش در معرض خطر برای خسارات روزانه بیمه مسئولیت شرکت بیمه ایران استفاده میشود. سپس کارایی نظریه مقدار نهایی در برآورد ارزش در معرض خطر با کارایی سایر روشهای واریانس ، کواریانس و روش شبیه سازی تاریخی مورد مقایسه قرار میگیرد. نتایج این بررسی نشان میدهند که توزیع ،garch شناخته شده مدل...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Environmetrics
سال: 2023
ISSN: ['1180-4009', '1099-095X']
DOI: https://doi.org/10.1002/env.2795