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VALUE AT RISK ANALYSIS ON BLUE CHIP STOCKS PORTFOLIO WITH GAUSSIAN COPULA
Published 2023-09-01Subjects: Get full text
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Gaussian Copula Regression Modeling for Marker Classification Metrics with Competing Risk Outcomes
Published 2024-01-01“…This paper proposes a Gaussian copula-based model to represent the joint distribution of the continuous-valued marker, the overall survival time, and the cause-specific outcome. …”
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Classification of images using Gaussian copula model in empirical cumulative distribution function space.
Published 2024-01-01“…This study introduces an innovative approach to image classification that uses Gaussian copulas with an Empirical Cumulative Distribution Function (ECDF) approach. …”
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Reliability Analysis of Deep Foundation Pit Using the Gaussian Copula-Based Bayesian Network
Published 2024-12-01“…This study conducted time-series monitoring of critical safety-influencing factors and applied the Gaussian copula-based Bayesian network (GCBN) model for comprehensive reliability analysis of deep foundation pit support structures. …”
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Analysis of survey on menstrual disorder among teenagers using Gaussian copula model with graphical lasso prior.
Published 2021-01-01“…Using data from the Menstrual Disorder of Teenagers Survey (administered in 2005 and 2016), we propose a Gaussian copula model with graphical lasso prior to identify cohort differences in menstrual characteristics and to predict endometriosis. …”
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ANALYSIS OF THE EXISTENCE OF THE AGRICULTURAL SECTOR IN MODELING POVERTY IN BENGKULU PROVINCE USING GAUSSIAN COPULA MARGINAL REGRESSION
Published 2025-04-01Subjects: Get full text
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Early feeding and growth pattern in infants: Using a three-variate longitudinal model derived from Gaussian copula function
Published 2018-12-01“…Background: The Gaussian copula model was used to generate joint distributions for continuous longitudinal variables on infant types of feeding and longitudinal measures of height, weight and head circumference Methods: The study was performed longitudinally in rural areas of southern part of Iran, on children from birth to 9 months of age. …”
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Copula-Based Bayesian Model for Detecting Differential Gene Expression
Published 2025-04-01Subjects: “…Gaussian copula…”
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Portfolio Selection Based on Modified CoVaR in Gaussian Framework
Published 2024-11-01Subjects: Get full text
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Does audit committee composition influence firm performance? Evidence from the top NSE-listed non-financial companies of India
Published 2025-01-01Subjects: Get full text
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Fostering cleaner production through the adoption of sustainable maintenance: An umbrella review with a questionnaire-based survey analysis
Published 2025-06-01Subjects: Get full text
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Estimation of Copula Density Using the Wavelet Transform
Published 2024-11-01“…The results showed that in estimating the copula density function using the wavelet method when the correlation level = 0.7, the Gaussian copula ranked first, followed by the Frank copula, and the Joe copula ranked last. …”
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Generate medical synthetic data based on generative adversarial network
Published 2022-03-01“…Modeling the probability distribution of rows in structured electronic health records and generating realistic synthetic data is a non-trivial task.Tabular data usually contains discrete columns, and traditional encoding approaches may suffer from the curse of feature dimensionality.Poincaré Ball model was utilized to model the hierarchical structure of nominal variables and Gaussian copula-based generative adversarial network was employed to provide synthetic structured electronic health records.The generated training data are experimentally tested to achieve only 2% difference in utility from the original data yet ensure privacy.…”
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A Bayesian approach to discrete multiple outcome network meta-analysis.
Published 2020-01-01“…The joint distribution of the discrete outcomes is modeled through a Gaussian copula with binomial marginals. The remaining elements of the hierarchial random effects model are specified in a standard way, with the logit of the success probabilities given by the sum of a baseline log-odds and random effects comparing the log-odds of each treatment against the reference and having a Gaussian distribution centered at the vector of pooled effects. …”
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Reliability Evaluation of RV Reducers Based on Multi Degenerate Data
Published 2023-05-01“…The models can represent the degenerate process of RV reducers accurately. Gaussian Copula function is more suitable for representing the correlation between transmission error degenerate data and backlash degenerate data. …”
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Correlation between Rainfall and Runoff in Fuchun River Basin Based on Copula Functions and Kernel Density Estimation
Published 2025-05-01“…The Gaussian was selected to estimate the marginal distributions of hydrological variables in the Fuchun River Basin, demonstrating higher simulation accuracy without relying on any distribution assumption.(2) By estimating the Kendall and Spearman rank correlation coefficients of the bivariate functions of Gaussian-Copula, t-Copula, Clayton-Copula, Frank-Copula, and Gumbel-Copula, and comparing them with the Kendall and Spearman rank correlation coefficients of the original observed data, it was found that Gaussian-Copula and Gumbel-Copula were closer to the observed data.(3) By calculating the Euclidean distance, the fitting performance of the Copula functions was evaluated. …”
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Modeling default risk charge (DRC) with intensity probability theory
Published 2025-02-01“…., the Merton model) and (ⅱ) correlations between issuers follow the Gaussian copula. Notably, the Merton model does not pick up defaults for positions with a very small probability of default or instant default. …”
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BHF and copula models in small area estimation for household per capita expenditure in Bogor District
Published 2024-06-01“…The results showed that the performance of BHF was better than Gaussian and Clayton Copulas, as indicated by small root mean square error (RMSE) with an average of 1.14, while the average RMSE of Gaussian copula was 2.71 and Clayton copula was 2.63. …”
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