Hon Keung Tony Ng

  • Professor, Mathematical Sciences
  • Doctor of Philosophy McMaster University
  • Master of Science McMaster University
  • Master of Philosophy The Chinese University of Hong Kong
  • Bachelor of Science (Hon.) The Chinese University of Hong Kong

Professional Memberships

  • American Society for Quality 2024 - Present
  • Institute for Operations Research and the Management Sciences 2023 - Present
  • Institute of Mathematical Statistics 2023 - Present
  • International Statistical Institute 2008 - Present
  • Institute of Electrical and Electronics Engineers 2007 - Present
  • American Statistical Association 2002 - Present
  • International Chinese Statistical Association 2002 - Present
  • International Indian Statistical Association 2001 - Present
  • Awards and Honors

  • 2019, ASA Award for Outstanding Chapter Service, American Statistical Association
  • 2016, Elected Fellow, American Statistical Association
  • 2008, Elected Member, International Statistical Institute
  • 2008, Elected Senior Member, Institute of Electrical and Electronics Engineers (IEEE)
  • Publications

    Journal Articles


  • Aliev, F., Ozbek, L., Kaya, M., Kus, C., Ng, H., Nagaraja, H. (2024). A Nonparametric Test for the Two-Sample Problem Based on Order Statistics. Communications in Statistics - Theory and Methods, (53) 3688-3712. (Link)
  • Ghosh, I., Ng, T., Kim, K., Kim, S. (2024). Bayesian Inference for a Hidden Truncated Bivariate Exponential Distribution with Applications in Survival Analysis. Axioms, (13) 3 140. (Link)
  • Goel, R., Kumar, K., Ng, T., Kumar, I. (2024). Statistical inference in Burr Type XII lifetime model based on progressive randomly censored data. Quality Engineering, (36) 150-165.
  • Ling, M., Ng, T., Shang, X., Bae, S. (2024). Efficient Bayesian inference for a defect rate based on completely censored data. Applied Mathematical Modelling, (128) 123-136.
  • Dutta, S., Ng, H., Kayal, S. (2023). Inference for a general family of inverted exponentiated distributions under unified hybrid censoring with partially observed competing risks data. Journal of Computational and Applied Mathematics, (422) 114934.
  • Jang, D., Hwang, H., Ng, H., Kim, S. W. (2023). Default Bayesian testing for the zero-inflated Poisson distribution. Statistics and Its Interface. Forthcoming.
  • Shang, X., Ng, H., Ling, M. H. (2023). On reliability analysis of one-shot devices with manufacturing defects. Quality Engineering, (35) 1 79-94. (Link)
  • Zhu, X., Ng, H., Chan, P. S. (2023). Robust Estimation of Component Reliability Based on System Lifetime Data with Known Signature. REVSTAT-Statistical Journal. Forthcoming.
  • Chen, Y., Ng, H. (2023). Statistical models and algorithms for assessing robustness and reliability of networks with applications in cybersecurity insurance. Variance. Forthcoming.
  • Barth, J., Cheng, G., Williams, W., Zhang, M., Ng, H. (2023). The Effects of County-Level Socioeconomic and Healthcare Factors on Controlling COVID-19 in the Southern and Southeastern United States. Journal of Data Science. (Link)
  • Ng, T. (2023). Discussion of "Specifying Prior Distributions in Reliability Applications" by Q. Tian, C. Lweis-Beck, J. B. Niemi, and W. Q. Meeker. Applied Stochastic Models in Business and Industry. (Link) Forthcoming.
  • Zhang, W., Gao, W., Ng, H. (2023). Multivariate tests of independence based on a new class of measures of independence in Reproducing Kernel Hilbert Space. Journal of Multivariate Analysis, (195) 105144. (Link)
  • Li, Z., Ng, H., Yu, D., Hu, Q. (2023). Optimal acceptance sampling testing plan with pivotal quantity for log-location-scale distributions. IEEE Transactions on Reliability. Forthcoming.
  • Lin, C., Chen, Y., Yeh, T., Ng, H. (2023). Statistical inference and optimum life-testing plans with joint progressively Type-II censoring scheme. Quality Technology and Quantitative Management, (20) 3 279-306.
  • Pourmohamad, T., Ng, H. (2023). Statistical modeling approaches for the comparison of dissolution profiles. Pharmaceutical Statistics. 22 328-348.
  • Jayalath, K. P., Ng, H. (2022). A graphical alternative for multiple group comparisons in analysis of covariance. Applied Stochastic Models in Business and Industry, (38) 6 1172-1195.
  • Nam, S., Kim, S. W., Ng, H. (2022). Bayesian and frequentist approaches on estimation and testing for a zero-inflated binomial distribution. Hacettepe Journal of Mathematics and Statistics, (51) 3 834-856.
  • Duan, J., Gao, W., Ma, Y., Ng, H. (2022). Efficient computational algorithms for approximate optimal designs. Journal of Statistical Computation and Simulation, (92) 4 764--793.
  • Palayangoda, L. K., Butler, R. W., Ng, H., Yang, F., Tsui, K. (2022). Evaluation of mean-time-to-failure based on nonlinear degradation data with applications. IISE Transactions, (54) 3 286--302.
  • Gupta, G., Deval, R., Rai, N., Nizamuddin, S., Upadhyay, S., Pasupuleti, N., Ng, H., Singh, P. K., Rao, V. (2022). Genome-wide association study for suicide in high--risk isolated historical population from North East India. Journal of Affective Disorders Reports, (8) 100327.
  • Han, Y., Kim, J., Ng, H., Kim, S. W. (2022). Logistic Regression Model for a Bivariate Binomial Distribution with Applications in Baseball Data Analysis. Entropy, (24) 8
  • Zhang, F., Li, J., Ng, H. (2022). Minimum f-Divergence Estimation with Applications to Degradation Data Analysis. IEEE Transactions on Information Theory. 68 6774--6789.
  • Tsai, T., Hung, C., Lio, Y., Chiang, J., Ng, H. (2022). Nonparametric control chart using auxiliary information for smallest extreme value distribution. Journal of Statistical Computation and Simulation, (92) 6 1175--1193.
  • Du, Y., Ng, H., Wang, J., Gao, W. (2022). On estimation of two-dimensional dynamic panel model with confounders. Communications in Statistics-Simulation and Computation, (51) 2 505--517.
  • Combes, C., Ng, H. (2022). On parameter estimation for Amoroso family of distributions. Mathematics and Computers in Simulation, (191) 309--327.
  • Bai, X., Shi, Y., Ng, H. (2022). Statistical inference of Type-I progressively censored step-stress accelerated life test with dependent competing risks. Communications in Statistics-Theory and Methods, (51) 10 3077--3103.
  • Duan, J., Gao, W., Qu, H., Ng, H. (2022). Subspace clustering for panel data with interactive effects. Canadian Journal of Statistics, (50) 3 867-887.
  • Tang, M., Ng, H. (2022). Testing the equality of two Poisson means using the rate ratio (vol 24, pg 955, 2005) (Erratum). Statistics in Medicine, (41) 5 932--932.
  • Gokdere, G., Ng, H. (2022). Time-dependent reliability analysis for repairable consecutive-k-out-of-n:F system. Statistical Theory and Related Fields, (6) 2 139-147.
  • Lin, C., Chen, Z., Li, Y., Ng, T. (). Optimal Life-Testing Plans for Joint Progressively Type-II Censored Birnbaum-Saunders Distributions with Compound Optimal Criteria. Quality Technology & Quantitative Management. Forthcoming.
  • Liu, Q., Lin, L., Ng, T., Hu, Q., Yu, D. (). Multivariate t degradation processes for dependent multivariate degradation data. IEEE Transactions on Reliability. Forthcoming.
  • Palayangoda, L., Ng, H., Li, L. (). Semiparametric Evaluation of First-Passage Distribution for Step-Stress Accelerated Degradation Test Data for Operational Amplifiers. Applied Stochastic Models in Business and Industry. Forthcoming.
  • Qu, J., Ng, T. (). Tests for Homogeneity of Distributions of Component Lifetimes from Type-II Censored System Lifetime Data with Known System Structures. Naval Research Logistics. Forthcoming.
  • Qu, J., Ng, T., Moon, C. (). Empirical Likelihood Ratio Tests for Homogeneity of Component Lifetime Distributions Based on System Lifetime Data. Computational Statistics. Forthcoming.
  • Yu, Y., Ng, H. (). Optimal Experimental Planning for Constant-Stress Accelerated Life-Testing Experiments based on Coherent Systems. Communications in Statistics-Simulation and Computation. Forthcoming.

    Books


  • Gleaton, J., Han, D., Lynch, J. D., Ng, H., Ruggeri, F. (2023). Fiber Bundles - Statistical Models and Applications. 163. Springer Nature (Link)
  • Ng, H., Heitjan, D. (2022). Recent Advances on Sampling Methods and Educational Statistics. 278. Springer Nature (Link)
  • Lio, Y., Chen, D., Ng, H., Tsai, T. (2022). Bayesian Inference and Computation in Reliability and Survival Analysis. 364. Switzerland: Springer Nature (Link)
  • Ghosh, I., Balakrishnan, N., Ng, H. (2021). Advances in Statistics -- Theory and Applications: Honoring the Contributions of Barry C. Arnold in Statistical Science. (Link)
  • Lio, Y., Ng, H., Tsai, T., Chen, D. (2019). Statistical Quality Technologies: Theory and Practice. (Link)
  • Chen, D., Lio, Y., Ng, H., Tsai, T. (2017). Statistical Modeling for Degradation Data. (Link)
  • Choudhary, P., Nagaraja, C., Ng, H. (2015). Ordered Data Analysis, Models and Health Research Methods. New York. NY: (Link)
  • Balakrishnan, N., Ng, H. (2006). Precedence-Type Tests and Applications. Hoboken, New Jersey: (Link)

  • Book Chapters


  • Lin, Y., Lio, Y., Ng, H., Wang, L. (2022). Bayesian estimation of stress-strength parameter for Moran-Downton bivariate exponential distribution under progressive Type II censoring In Y.L. Lio, D.-G. Chen, H. K. T. Ng and T.-R. Tsai, (Eds.) Bayesian Inference and Computation in Reliability and Survival Analysis. 17-41.
  • Ghosh, I., Basu, S., Ng, T. (). A Bivariate Distribution with Generalized Exponential Conditionals: Properties and Applications In , (Eds.) Felicitation Volume for Professor Ashis SenGupta. Springer Forthcoming.

  • Book Reviews


  • Ng, H. (2023). [Review of the book Book review: Statistical Methods for Reliability Data, Second Edition (by William Q. Meeker, Luis A. Escobar, and Francis G. Pascual): John Wiley & Sons, 2022 ]. Journal of Quality and Technology, (55)

  • Presentations

  • Ng, T. (2024). “Degradation Models and Related Applications: From Light Intensity to Network Reliability” Presented at the National Pingtung University of Science and Technology 2024 Workshop on Advances in Reliability Pingtung, Taiwan
  • Ng, T. (2024). “Recent Advances in Reliability Analysis of System-Based Lifetime Data” Presented at the Department of Statistics, National Cheng Kung University Department Seminar Tainan City, Taiwan
  • Ng, T. (2024). “Semiparametric and Nonparametric Evaluation of First-Passage Distribution of Bivariate Degradation Processes” Presented at the Department of Mathematics, Tamkang University Department Seminar New Taipei City, Taiwan
  • Ng, T. (2024). “Degradation Models and Related Applications: From Light Intensity to Network Reliability” Presented at the Department of Industrial Engineering, University of Houston Department Seminar Houston, Texas
  • Ng, T. (2023). “Recent Advances in Reliability Analysis of System based Lifetime Data” Presented at the The Korean Federation of Science and Technology Societies (KOFST) BrainLink X-lab Day -- PHM and Reliability Engineering for Fault Diagnostics and Predictive Maintenance of Batteries and Manufacturing Equipments Kensington Hotel, Pyeongchang, South Korea
  • Ng, T. (2023). “Degradation Models and Related Applications in Reliability” Presented at the The Korean Federation of Science and Technology Societies (KOFST) The Korean Federation of Science and Technology Societies (KOFST) 2023 BrainLink X-Lab Day Talk Concert Seoul, South Korea
  • Ng, T. (2023). “Semiparametric Evaluation of First-Passage Time Distribution for Step-Stress Accelerated Degradation Data” Presented at the2023 INFORMS Annual Meeting Phoenix, Arizona
  • Ng, T. (2023). “Experimental Planning for Accelerated Life-Testing Experiments based on Coherent Systems” Presented at theJoint Statistical Meetings 2023 Toronto, Canada
  • Ng, T. (2023). “Semiparametric Evaluation of First-Passage Time Distribution for Step-Stress Accelerated Degradation Data” Presented at the12th International Chinese Statistical Association (ICSA) International Conference The Chinese University of Hong Kong, Hong Kong, China
  • Ng, T. (2023). “Recent Advances in Statistical Analysis of System-based Reliability Data” Presented at the Department of Mathematics, Beijing Jiaotong University Department Seminar Beijing, China
  • Ng, T. (2023). “Semiparametric and Nonparametric Evaluation of First-Passage Distribution of Bivariate Degradation Processes” Presented at the Academy of Mathematics and Systems Science, Chinese Academy of Sciences Department Seminar Beijing, China
  • Ng, T. (2023). “Degradation Models and Related Applications: From Drug Dissolution to Network Reliability” Presented at the School of Statistics and Data Science, Nankai University Department Seminar Tianjin, China
  • Ng, T. (2023). “Degradation Models and Related Applications: From Drug Dissolution to Network Reliability” Presented at the Department of Industrial and Management Engineering, Hanyang University Department Seminar Ansan, South Korea
  • Ng, T. (2023). “Recent Advances in Statistical Analysis of System-based Reliability Data” Presented at the Department of Applied Statistics, Konkuk University Department Seminar Seoul, South Korea
  • Ng, T. (2023). “Semiparametric and Nonparametric Evaluation of First-Passage Distribution of Bivariate Degradation Processes” Presented at the Department of Applied Statistics, Chung-Ang University Recent Developments in Statistical Science and Its Applications, The Well Aging Data Science Convergence Research Center Seoul, South Korea
  • Ng, T. (2023). “Semiparametric and Nonparametric Evaluation of First-Passage Distribution of Bivariate Degradation Processes” Presented at the36th New England Statistics Symposium Boston University, Boston, MA
  • Ng, T. (2023). “Recent Advances in Statistical Analysis of System-based Reliability Data” Presented at theSecond International E-conference on Mathematical and Statistical Sciences: A Selcuk Meeting Konya, Turkey (Remote Presentation)
  • Ng, T. (2023). “Semiparametric Evaluation of First-Passage Time Distribution for Step-Stress Accelerated Degradation Data” Presented at the12th International Conference on Mathematical Methods in Reliability University of Murcia, Murcia, Spain
  • Ng, T. (2023). “Degradation Models and Related Applications: From Drug Dissolution to Network Reliability” Presented at the Kentucky Chapter of the American Statistical Association Kentucky Chapter of the American Statistical Association 2023 Spring Meeting University of Kentucky, Lexington, KY
  • Ng, T. (2023). “Statistical Modeling Approaches for the Comparison of Dissolution Profiles” Presented at theAdvances in Statistical and Computational Methods for Analysis of Biomedical, Genetic, and Omics Data University of Texas at Dallas
  • Ng, H. (2022). “Gamma Degradation Model and Related Applications: From Light Intensity to Drug Dissolution, and even Power Grid” Presented at the Beijing Jiaotong University Seminar, Department of Mathematics, Beijing Jiaotong University Beijing, China (Remote Presentation)
  • Ng, H. (2022). “Semiparametric and Nonparametric Evaluation of First-Passage Distribution of Bivariate Degradation Processes” Presented at the Selçuk University International E-conference on Mathematical and Statistical Sciences: A Selçuk Meeting Konya, Turkey (Remote Presentation)
  • Ng, H. (2022). “Degradation Models and Related Applications: From Light Intensity to Network Reliability” Presented at the Marshall University The 4th International Conference on Statistical Distributions and Applications Huntington, WV
  • Ng, H. (2022). “Statistical Modeling Approaches for the Comparison of Dissolution Profiles” Presented at the Marshall University The 4th International Conference on Statistical Distributions and Applications Huntington, WV
  • Ng, H. (2022). “Robust Estimation and Model Selection Methods based on f-divergence for Degradation Data Analysis” Presented at the Chinese Academy of Sciences Key Laboratory of Systems and Control 60-year celebration series Beijing, China (Remote Presentation)
  • Ng, H. (2022). “Statistical Models and Algorithms for Assessing Robustness and Reliability of Networks with Applications in Cybersecurity Insurance” Presented at the University of Illinois at Urbana-Champaign 2022 Actuarial Research Conference Champaign, IL
  • Ng, H. (2022). “Statistical Models and Algorithms for Assessing Robustness and Reliability of Networks with Applications in Cybersecurity Insurance” Presented at the Seoul National University Seminar, Department of Statistics, Seoul National University Seoul, South Korea
  • Ng, H. (2022). “Gamma Degradation Model and Related Applications: From Light Intensity to Drug Dissolution, and even Network Reliability” Presented at the Hanyang University Colloquium, Department of Applied Mathematics, Hanyang University Ansan, South Korea
  • Ng, H. (2022). “Modified Gamma Degradation Models for Reliability of Power Grids” Presented at the San Francisco State University 2022 Quality and Productivity Research Conference San Francisco, California
  • Service

    Department Service


  • Committee Member for Research Committee 2022 - Present
  • Committee Member for Social Committee 2022 - 2023
  • University Service


  • Committee Member for GSA Professional Development Fund Committee 2022 - 2023
  • Professional Service


  • Committee Member for Data and Safety Monitoring Board for an NIH funded study (Hydroxycitrate treatment for CAlcium Phosphate stones (HCAP) study) 2023 - Present
  • Editor, Conference for (Guest Co-Editor, Special issue for International Conference on Statistical Distributions and Applications) Journal of Statistical Theory and Practice 2022 - Present
  • Committee Member for Data and Safety Monitoring Board of an NIH funded project (Impact of Dietary Phosphate Excess on Visceral Adiposity and Exercise Capacity) 2022 - Present
  • Editor, Book Series for (Editorial Board Member) Springer Book Series: Emerging Topics in Statistics and Biostatistics 2021 - Present
  • Editorial Review Board Member for International Journal of Reliability, Quality and Safety Engineering 2021 - Present
  • Editor (Associate), Journal for IEEE Transactions on Reliability 2018 - Present
  • Editor (Associate), Journal for Naval Research Logistics 2018 - Present
  • Editor (Associate), Journal for Sequential Analysis 2018 - Present
  • Editor (Associate), Journal for Communications in Statistics–Case Studies, Data Analysis and Applications 2015 - Present
  • Editor (Associate), Journal for Computational Statistics 2015 - Present
  • Editor (Associate), Journal for Statistics & Probability Letters 2014 - Present
  • Editor (Associate), Journal for Journal of Statistical Computation and Simulation 2013 - Present
  • Editor (Associate), Journal for Communications in Statistics–Simulations and Computation 2008 - Present
  • Editor (Associate), Journal for Communications in Statistics–Theory and Methods 2008 - Present
  • Editor (Associate), Journal for Journal of Statistical Distributions and Applications 2017 - 2021