RM
Department of Statistics and Actuarial SciencePhysical SciencesSocial Sciences

Richard Minkah

29 Publications12 Research Themes22 Open Access
Research Overview & Focus

The researcher's work focuses on advancing statistical methodologies, particularly extreme value theory and Pareto-type distributions, to address challenges in analyzing heavy-tailed data across diverse fields such as insurance, hydrology, and environmental science. Their research emphasizes developing robust estimators for tail indices under various censoring conditions and missing data scenarios, aiming to provide reliable methods for risk assessment and predictive modeling in these domains.

Key Research Themes (12)
Physical Sciences

Advanced Statistical Methods and Models

Physical Sciences

Bayesian Methods and Mixture Models

Physical Sciences

Benford’s Law and Fraud Detection

Physical Sciences

Face and Expression Recognition

Social Sciences

Financial Risk and Volatility Modeling

Physical Sciences

Groundwater and Isotope Geochemistry

Physical Sciences

Hydrology and Drought Analysis

Physical Sciences

Opinion Dynamics and Social Influence

Social Sciences

Probability and Risk Models

Social Sciences

Spatial and Panel Data Analysis

Physical Sciences

Species Distribution and Climate Change

Physical Sciences

Statistical Distribution Estimation and Applications

Publications (29)

Evaluating the impact of misspecified spatial neighboring structures in Bayesian CAR models

Open Access
2024Spatial and Panel Data AnalysisDOI: 10.1016/j.sciaf.2024.e02498

A Cost of Misclassification Adjustment Approach for Estimating Optimal Cut-Off Point for Classification

Open Access
2024Advanced Statistical Methods and ModelsDOI: 10.1155/2024/8082372

A reduced-bias weighted least squares estimation of the extreme value index

2024Financial Risk and Volatility ModelingDOI: 10.47974/jsms-981

Robust extreme quantile estimation for Pareto-type tails through an exponential regression model

Open Access
2023Financial Risk and Volatility ModelingDOI: 10.29220/csam.2023.30.6.531

Shrinkage Methods for Estimating the Shape Parameter of the Generalized Pareto Distribution

Open Access
2023Hydrology and Drought AnalysisDOI: 10.1155/2023/9750638

Baseline comparative analysis and review of election forensics: Application to Ghana's 2012 and 2020 presidential elections

Open Access
2023Benford’s Law and Fraud DetectionDOI: 10.1016/j.heliyon.2023.e18276

The unfolding mystery of the numbers: First and second digits based comparative tests and its application to Ghana’s elections

2023Benford’s Law and Fraud DetectionDOI: 10.3233/mas-221418

A Novel Model for Quantitative Risk Assessment under Claim-Size Data with Bimodal and Symmetric Data Modeling

Open Access
2023Statistical Distribution Estimation and ApplicationsDOI: 10.3390/math11061284

A size-of-loss model for the negatively skewed insurance claims data: applications, risk analysis using different methods and statistical forecasting

Open Access
2022Statistical Distribution Estimation and ApplicationsDOI: 10.1080/02664763.2022.2125936

Assessing groundwater quality in peri-urban Accra, Ghana: Implications for drinking and irrigation purposes

2022Groundwater and Isotope GeochemistryDOI: 10.1016/j.gsd.2022.100761

Robust Extreme Quantile Estimation for Pareto-Type tails through an Exponential Regression Model

Open Access
2022Financial Risk and Volatility ModelingDOI: 10.31730/osf.io/hf7vk

Bayesian Estimation of Presidential Elections in Ghana: A Validation Approach

2022Bayesian Methods and Mixture ModelsDOI: 10.16929/ajas/2022.1297.269

Estimation of the Tail Index of Pareto‐Type Distributions Using Regularisation

Open Access
2022Probability and Risk ModelsDOI: 10.1155/2022/5064875

A Reduced-Bias Weighted least square estimation of the Extreme Value Index

Open Access
2021Financial Risk and Volatility ModelingDOI: 10.48550/arxiv.2110.08570

An Enhanced Method for Tail Index Estimation under Missingness

Open Access
2021Financial Risk and Volatility ModelingDOI: 10.1155/2021/3572555

Assessing the Performance of the Discrete Generalised Pareto Distribution in Modelling Non-Life Insurance Claims

Open Access
2021Statistical Distribution Estimation and ApplicationsDOI: 10.1155/2021/5518583

Robust estimation of Pareto-type tail index through an exponential regression model

Open Access
2021Statistical Distribution Estimation and ApplicationsDOI: 10.1080/03610926.2021.1916530

Recognition of Augmented Frontal Face Images Using FFT-PCA/SVD Algorithm

Open Access
2021Face and Expression RecognitionDOI: 10.1155/2021/6686759

Assessing the Performance of the Discrete Generalised Pareto Distribution in Modelling Non-Life Insurance Claims

Open Access
2020Probability and Risk ModelsDOI: 10.48550/arxiv.2004.06150

Tail Index Estimation of the Generalised Pareto Distribution using a Pivot from a Transformed Pareto Distribution

2020Financial Risk and Volatility Modeling

Constant versus Covariate Dependent Threshold in the Peaks-Over Threshold Method

Open Access
2018Financial Risk and Volatility ModelingDOI: 10.48550/arxiv.1812.03432

On Extreme Value Index Estimation under Random Censoring

Open Access
2018Statistical Distribution Estimation and ApplicationsDOI: 10.16929/ajas/419.223

A Simulation Comparison of Estimators of Conditional Extreme Value Index under Right Random Censoring

Open Access
2018Financial Risk and Volatility ModelingDOI: 10.16929/ajas/337.219

A Simulation Comparison of Estimators of Conditional Extreme Value Index\n under Right Random Censoring

Open Access
2017Hydrology and Drought AnalysisDOI: 10.48550/arxiv.1709.08723

Endemic grasshopper species distribution in an agro-natural landscape of the Cape Floristic Region, South Africa

2017Species Distribution and Climate ChangeDOI: 10.1016/j.ecoleng.2017.04.037

Comparison of Confidence Interval Estimators: an Index Approach

Open Access
2017Advanced Statistical Methods and ModelsDOI: 10.48550/arxiv.1702.08572

On statistics of extremes under random censoring

2016Hydrology and Drought Analysis

An application of extreme value theory to the management of a hydroelectric dam

Open Access
2016Hydrology and Drought AnalysisDOI: 10.1186/s40064-016-1719-2

A Markov chain Monte Carlo (MCMC) methodology with bootstrap percentile estimates for predicting presidential election results in Ghana

Open Access
2015Opinion Dynamics and Social InfluenceDOI: 10.1186/s40064-015-1310-2
Academic Metrics
DepartmentDepartment of Statistics and Actuarial Science
Total Publications29
Research Themes12
Open Access Papers22

Department of Statistics and Actuarial Science

Kwame Nkrumah University of Science and Technology

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