Hon Keung
Tony Ng Professor Department of Statistical Science


Contact Department
of Statistical Science Southern
Methodist
University 3225
Daniel
Avenue P
O Box
750332 Dallas,
Texas 752750332 Phone:
2147682465 Fax:
2147684035 email:
ngh@mail.smu.edu 
Education B.Sc.(Hon.),
Statistics, The Chinese Univ of Hong Kong, 1997 M.Phil.,
Statistics, The Chinese Univ of Hong Kong, 1999 Ph.D.,
Statistics, McMaster University, Canada, 2002

Research Interests

Teaching STAT 2331 Introduction to Statistical Methods STAT 5304 Introduction to Statistical Computing STAT 6324 Computational Statistics STAT 6350 Analysis of Lifetime Data STAT 6367 Statistical Consulting STAT 6385 Survey of Nonparametric Statistics STAT 6360 Statistical Methods in Epidemiology 
Professional Memberships
American Statistical
Association (ASA): Elected Fellow
Institute of Electrical and Electronics Engineers (IEEE): Elected
Senior Member
International Chinese Statistical Association (ICSA): Life Member
International Indian Statistical Association (IISA): Life Member
International Statistical Institute (ISI): Elected Member
Highlights of Professional Services
2008 Present: Associate Editor, Communications in Statistics Theory and Methods
2008 Present: Associate Editor, Communications in Statistics Simulations and Computation
2013 Present: Editorial Board Member, SAGE Open
2013 Present: Associate Editor, Journal of Statistical Computation and Simulation
2014 Present: Associate Editor, Statistics and Probability Letters
2015 Present: Associate Editor, Computational Statistics
2015 Present: Associate Editor, Journal of Statistical Distributions and Applications
2017 Present: Associate Editor, IEEE Transactions on Reliability
2018 Present: Associate Editor, Naval Research Logistics
2018 Present: Associate Editor, Sequential Analysis
Books authored/edited
PrecedenceType Tests and
Applications (coauthored with N. Balakrishnan), John Wiley &
Sons, Hoboken, New Jersey, 2006 (324 pages). 

Ordered
Data Analysis, Modeling and Health Research Methods  In Honor of H. N.
Nagaraja's 60th Birthday (coedited with P. K. Choudhary and C. H.
Nagaraja), Springer Proceedings in Mathematics & Statistics, Vol. 149,
Springer, New York, 2015. 

Statistical
Modeling for Degradation Data (coedited with D.G. Chen, Y. L. Lio and
T.R. Tsai), ICSA Book Series in Statistics, Springer, Singapore,
2017. 
Selected Publications
To appear
Chiang, J.Y., Lio, Y. L., Ng, H. K. T. and Tsai, T.R.. Robust Control Charts for Percentiles Based on LocationScale Family of Distributions, to appear in Quality and Reliability Engineering International.
Duan, J., Gao, W. and Ng, H. K. T.. Efficient
Computational Algorithm for Optimal Continuous Experimental Designs, to appear
in Journal of Computational and Applied
Mathematics.
Kim, S. W., Ng, H. K. T., Lee, J.D. and
Kim, J.. A comparative study on nonparametric estimation
procedures for survival quantiles, to appear in Communications in Statistics Computation and Simulation.
Ling,
M. H., Ng, H. K. T. and Tsui, K. L.. Bayesian and
likelihood inferences on remaining useful life in twophase degradation models
under gamma process, to appear in Reliability
Engineering and System Safety.
Yang, Y., Ng, H. K. T. and Balakrishnan, N.. ExpectationMaximization Algorithm for Systembased Lifetime Data with Unknown System Structure, to appear in AStA Advances in Statistical Analysis.
Zang, Y., Fung, W. K., Cao, S.,
Ng, H. K. T. and Zhang, C.. Robust tests for
geneenvironment interaction in casecontrol and caseonly studies, to appear
in Computational Statistics and Data
Analysis.
Zhang, F., Shi, Y., Ng, H. K. T. and Wang, R. AmariChentsov structure on the statistical manifold of models
for accelerated life tests, to appear in TEST.
2018
AboEleneen,
Z. A., Almohaimeed, B. and Ng, H. K. T. (2018).
On Cumulative Residual Entropy of Progressively Censored Order Statistics, Statistics & Probability Letters, 139, 47 52.
Chiang, J.Y., Lio,
Y. L., Ng, H. K. T. and Tsai, T.R. and Li, T.
(2018). Robust Bootstrap Control Charts for Percentiles Based on Model
Selection Approaches, Computers &
Industrial Engineering, 123, 119133.
Jayalath, K. P. and Ng, H. K. T. (2018). Analysis of Means (ANOM)
Approach for Random Factor Analysis, Journal
of Applied Statistics, 45,
14261446
Kłos, R., Fabisiak,
B. and Ng, H. K. T. (2018). Comparative analysis of reliability
of selected furniture joints, BioResource, 13, 51115123.
Ng, H. K. T., Ling, M. H. and Chan, P. S. (2018). A
Gamma Process Modeling Approach for Comparison of Dissolution Profiles, Drug Development and Industrial Pharmacy,
44,
553 562.
Zhang, F., Ng,
H. K. T. and Shi, Y. (2018). Bayesian duality and risk analysis on the
statistical manifold of exponential family with censored data, Journal of Computational and Applied
Mathematics, 342, 534 549.
Zhang, F., Ng, H. K. T. and Shi, Y. (2018). On qWeibull and qextreme value distributions: Properties and Applications, Physica A: Statistical Mechanics and its Applications, 490, 1171 1190.
Zhang, F., Shi, Y., Ng, H. K. T. and Wang, R. (2018).
Information Geometry of Generalized Bayesian Prediction Using
αdivergences as Loss Functions, IEEE
Transactions on Information Theory, 64,
1812 1824.
2017
Asgharzadeh, A., Ng, H. K. T., Azizpour, M. and Valiollahi, R. (2017).
Statistical Inference for Lindely Distribution Based on TypeII Censored Data, Journal
of Statistical Theory and Applications, 16, 178197.
Chen, Z., Ng, H. K. T., Li, J., Liu, Q. and Huang, H. (2017). Detecting associated singlenucleotide polymorphisms on the X chromosome in case control genomewide association studies, Statistical Methods in Medical Research, 26, 567 582.
Dey, S., Raheem, E.,
Mukherjee, S. and Ng, H. K. T. (2017). Twoparameter exponentiated Gumbel
distribution: properties and estimation with flood data example, Journal of
Statistics & Management Systems, 20, 197233.
Jayalath, K. P., Ng, H. K. T.,
Mange, A. B. and Riggs, K. E. (2017). A TwoStage Test for Homogeneity of
Variances, Communications in Statistics
Computation and Simulation, 46, 74237446.
Kłos, R., Fabisiak, B.,
Hovatin, J. and Ng, H. K. T. (2017). Reliability and warranty issues in the design and production practice
of selected Polish and Slovenian furnituremanufacturing companies, Drewno,
60, 117.
Ling,
M. H., Ng, H. K. T. and Tsui, K. L. (2017). Inference on remaining useful life
under gamma degradation models with random effects, in Statistical Modeling for Degradation Data (eds. D.G. Chen, Y.L.
Lio, H.K.T. Ng and T.R. Tsai), pp. 253 266, Springer, Singapore.
Ng, H. K. T., Kinaci, İ., Kuș, C. and Chan, P. S. (2017). Optimal Experimental Plan for Multilevel Stress Testing with Weibull Regression under Progressive TypeII Extremal Censoring, Communications in Statistics Computation and Simulation, 46, 26112637.
Ng, H. K. T., Lin, Y. J., Tsai, T. R., Lio, Y. L. and Jiang, N. (2017). Quantifying the Uncertainty in Optimal Experiment Schemes via MonteCarlo Simulations, in MonteCarlo SimulationBased Statistical Modeling (J. D. Chen and D.G. Chen, eds), pp. 107 126, Springer, Singapore.
Tsai, T.R., Lio, Y. L.. Jiang, N., Ng, H. K. T. and
Chen, D. G. (2017). Optimal Designs for LED Degradation Modeling, in Statistical Modeling for Degradation Data
(eds. D.G. Chen, Y.L. Lio, H.K.T. Ng and T.R. Tsai), pp. 149 170,
Springer, Singapore.
Valiollahi, R., Asgharzadeh, A. and Ng, H. K. T. (2017). Prediction for
Future Failures in Lindley Distribution Based on TypeII Right Censored
Samples, Journal of the Iranian Statistical Society, 16, 1 19.
2016
Chan, P. S., Balakrishnan, N., So, H. Y., Ng, H. K. T. (2016). Optimal
Sample Size Allocation for MultiLevel Stress Testing with Exponential
Regression Under TypeI Censoring, Communications
in Statistics Theory and Methods, 45, 1831 1852.
Chen,
Kim, S., Ng, H. K. T. and Jang, H. (2016). Estimation of parameters
in a bivariate generalized exponential distribution based on TypeII censored
samples, Communications in Statistics Computation
and Simulation, 45,
37763797.
Yang, Y., Ng, H. K. T. and Balakrishnan, N. (2016). A stochastic expectationmaximization algorithm for the analysis of system lifetime data with known signature, Computational Statistics, 31, 609641.
Ling,
M. H., Ng, H. K. T., Chan, P. S. and Balakrishnan, N. (2016). Autopsy data
analysis for a series system with active redundancy under a loadsharing model,
IEEE Transactions on Reliability, 65,
957968.
Sanyal, J., Ahmed, S. S. S. J., Ng, H. K. T., Naiya, T., Ghosh, E.,
Banerjee, T. K., Lakshmi, J., Guha, G. and Rao, V. R. (2016). Metallomic
Biomarkers in Cerebrospinal fluid and Serum in patients with Parkinson's
disease in Indian population, Scientific
Reports, 6: 35097.
Volterman, W., Balakrishnan, N., Davies, K. F. and Ng, H. K. T. (2016).
Exact Nonparametric MetaAnalysis of Lifetime Data from Systems with Known
Signatures, IEEE Transactions on
Reliability, 65,
796801.
Zhu, X., Ng, H. K. T. and Tang, M. L. (2016). Sequential Nonparametric
Procedures for Testing the Equality of Two Lifetime Distributions based on
Progressively Censored Data, Sequential
Analysis, 35,
158174.
Zhang, F., Shi, Y., Ng, H. K. T. and Wang, R. (2016). Tsallis statistics in
reliability analysis: Theory and Methods, The
European Physical Journal Plus, 131:
379
2015
Chan, P. S., Ng, H. K. T. and Su, F. (2015). Exact Likelihood Inference for
the TwoParameter Exponential Distribution under TypeII Progressively Hybrid
Censoring, Metrika, 78, 747 770.
Ng, H. K. T., Duan, F. and Chan, P. S. (2015). On Conditional Moments of
Progressively Censored Order Statistics with a Time Constraint, in Springer Proceedings in Mathematics
and Statistics: Ordered Data Analysis, Models
and Health Research Methods, (P. K. Choudhary, C. H. Nagaraja
and H.K. T. Ng, eds), pp. 55 71, Springer, New York.
Owen, W. J. and Ng, H. K. T. (2015). Revisit of relationships and models for
the BirnbaumSaunders and InverseGaussian Distributions, Journal of Statistical Distributions and Applications, 2:11.
Park, S., Ng, H. K. T. and Chan, P. S. (2015). On Fisher Information
and Design of a Flexible Progressive Censored Experiment, Statistics & Probability Letters, 97,
142 149.
Thas, O., Yuan, A., Ng, H. K. T., and Zheng, G. (2015). A proportional score
test over the nuisance parameter space: Properties and applications, Statistics
& Probability Letters, 106, 295300.
Zhang, J., Ng, H. K. T. and Balakrishnan, N. (2015). Statistical Inference
of Component Lifetimes with LocationScale Distributions from Censored System
Failure Data with Known Signature, IEEE
Transactions on Reliability, 64,
613 626.
Zhang,
J., Ng, H. K. T. and Balakrishnan, N. (2015). Tests
for Homogeneity of Distributions of Component Lifetimes from System Lifetime
Data with Known System Signatures, Naval
Research Logistics, 62, 550 563.
2014
Chen,
Z., Huang, H. and Ng, H. K. T. (2014). An Improved Robust Association Test for
GWAS with Multiple Diseases, Statistics
& Probability Letters, 93,
153 161.
Chen, Z., Ng, H. K. T. and Nadarajah, S. (2014). A Note on Cochran Test for Homogeneity in Oneway ANOVA and Metaanalysis, Statistical Papers, 55, 301 310.
Gao, W., Chan, P. S., Ng, H. K. T. and Lu, X (2014). Efficient computational algorithm for optimal allocation in regression models, Journal of Computational and Applied Mathematics, 261, 118 126.
Han, D. and
Kinaci, İ., Akdoǧan, Y., Kuș, C. and Ng, H. K. T. (2014).
Statistical Inference for Weibull Distribution Based on a Modified Progressive
TypeII Censoring Scheme, Sri Lankan
Journal of Applied Statistics (Invited Paper), Special Issue,
95 116.
Ye,
Ye, Z. S. and Ng, H. K. T. (2014). On Analysis of Incomplete Field Failure Data, Annals of Applied Statistics, 8, 1713 1727.
2013
Chen, Z., Huang, H., Liu, J. Ng, H. K. T., Nadarajah, S., Huang, X. and Deng, Y. (2013). Detecting differentially methylated loci for Illumina Array methylation data based on human ovarian cancer data, BMC Medical Genomics, 6 (Suppl 1): S9.
Han, D. and
Lin, Y. J., Lio, Y. L. and Ng, H. K. T. (2013). Bayesian Estimation of
MoranDownton Bivariate Exponential Distribution based on Censored Samples, Journal
of Statistical Computation and Simulation, 83, 837852.
Zhou, P., Chan, P. S., Li, L. and Ng, H. K. T. (2013). Allocation of Two Redundancies in TwoComponents Series Systems, Naval Research Logistics, 60, 588598.
Zhou, P., Chan, P. S., Li, L. and Ng, H. K. T (2013). On allocation of
redundancies in twocomponent series systems, Operations Research Letters, 41, 690693.
2012
Gupta, V., Khadgawat, R. Ng, H. K. T., K
Navarro, J., Ng, H. K. T. and Balakrishnan, N. (2012). Parametric Inference
for Component Distributions from Lifetimes of Systems with Dependent
Components, Naval Research Logistics
Ng, H. K. T., Navarro, J. and Balakrishnan, N. (2012). Parametric Inference for System Lifetime Data with Signatures Available under a Proportional Hazard Rate Model, Metrika, 75, 367388.
Park, S. and Ng, H. K. T. (2012). On Fisher Information in TypeII Progressively Censored Data with Applications in Optimal Onestep Censoring Plan, Statistics & Probability Letters, 82, 396 402.
Zhao, P., Chan, P. S. and
2011
Arnold, B. C. and Ng, H. K. T. (2011). Bivariate Beta Distribution, Journal
of Multivariate Analysis
Balakrishnan, N., Ng, H. K. T. and Navarro, J. (2011). Linear Inference for
TypeII Censored System Lifetime Data with Signatures Available, IEEE
Transactions on Reliability
Chen, Z., Liu, Q., Ng, H. K. T., Nadarajah, S. and Deng, Y. (2011). Statistical methods on detecting differentially expressed genes for RNAseq data, BMC Systems Biology, 5 (Suppl 3):S1.
Ka, C. Y., Chan, P. S., Ng, H. K. T. and Balakrishnan, N. (2011).
Optimal Sample Size Allocation for Multilevel Stress Testing with Extreme
Value Regression under TypeII Censoring, Statistics, 45, 257
279.
Balakrishnan, N., Tripathi, R. C., Kannan, N. and Ng, H. K. T.
(2010). Some nonparametric precedencetype tests based on progressively
censored samples and evaluation of power, Journal of Statistical Planning
and Inference,
Filardo, G., Adams, J. and Ng, H. K. T. (2010). Statistical Methods in
Epidemiology, In International Encyclopedia of Statistical Science
(Eds., M. Lovric), Springer.
Tang, M. L. and Ng, H. K. T. (2010). Inverse Sampling, In International
Encyclopedia of Statistical Science (Eds., M. Lovric), Springer.
Balakrishnan, N. and Ng, H. K. T. (2009). PrecedenceType Tests for the Comparison of Treatments with a Control, in Scan Statistics: Methods and Applications (J. Glaz, V. Pozdnyakov and S. Wallenstein, eds), pp. 2754, Birkhδuser, Boston.
Chan, P. S. and Ng, H. K. T. (2009).
Lin, C. T., Ng, H. K. T. and Chan, P. S. (2009). Statistical Inference of
TypeII Progressively Hybrid Censored Data with Weibull Lifetimes, Communications
in Statistics Theory and Methods
Ng, H. K. T., Kundu, D. and Chan, P. S. (2009). Statistical Analysis of
Exponential Lifetimes Under an Adaptive TypeII Progressive Censoring Scheme,
Ng, H. K. T. and Wang, Z. (2009). Statistical Estimation for the Parameters
of Weibull Distribution based on progressively TypeI interval censored sample,
Journal of Statistical Computation and Simulation
Tian, M., Tang, M. L., Ng, H. K. T. and Chan, P. S. (2009). A comparative study of confidence
intervals for negative binomial proportion, Journal of Statistical
Computation and Simulation
Wang, Z. and Ng, H. K. T. (2009). Design and Analysis of Analgesic Trials with Paired TimetoEvent Endpoints, in Design, Summarization, Analysis & Interpretation of Clinical Trials with TimetoEvent Endpoints (K. E. Peace, eds.), pp. 269291, Taylor & Francis.
2008
Balakrishnan, N. and Ng, H. K. T.
(2008). Precedence Tests, In Encyclopedia of Statistics in Quality and
Reliability (Eds., F. Ruggeri, R. Kenett and F. Faltin), Chichester, UK:
John Wiley & Sons.
Chan, P. S., Ng, H. K. T., Balakrishnan, N. and Zhou, Q. (2008). Point and
interval estimation for extremevalue regression model under TypeII censoring
Gu, K., Ng, H. K. T., Tang, M. L. and Schucany, W. R. (2008).
Testing the Ratio of Two Poisson Rates, Biometrical Journal
Liao, Y. J., Tang, M. L. Ng, H. K. T. (2008). On tests of risk ratio under standard inverse sampling, Computer Methods and Programs in Biomedicine, 89, 261268.
Ng, H. K. T.,
Filardo, G. and Zheng, G. (2008). Confidence Interval Estimating Procedures for
Standardized Incidence Rates, Computational Statistics and Data Analysis,
Tian, M., Tang, M. L., Ng, H. K. T. and Chan, P. S. (2008). Confidence Interval Estimators for Risk Ratio under Inverse Sampling, Statistics in Medicine, 27, 33013324.
Zheng, G. and Ng, H. K. T. (2008). Genetic model selection in twophase analysis for casecontrol association studies, Biostatistics, 9, 391399
2007
Balakrishnan, N., Kundu, D., Ng, H. K. T. and Kannan, N. (2007). Point and Interval Estimation for a Simple StepStress Model with TypeII Censoring, Journal of Quality Technology, 39, 3547.
Filardo, G., Hamilton, C., Hamman, B., Ng, H. K. T. and
Grayburn. P. (2007). Categorizing BMI may lead to
biased results in studies investigating inhospital mortality after isolated
CABG, Journal of
Clinical Epidemiology, 60, 1132 1139.
Ng, H. K. T., Balakrishnan. N. and Panchapakesan, S. (2007). Selecting the Best Population Using a Test for Equality Based on Minimal Wilcoxon Ranksum Precedence Statistic, Methodology and Computing in Applied Probability, 9, 263305.
Ng, H. K. T., Gu, K. and
Tang, M. L. (2007). A Comparative Study of Tests for the Difference of Two
Poisson Means, Computational Statistics and Data Analysis, 51,
30853099.
Ng, H. K. T. and Panchapakesan, S. (2007). Is the Selected Multinomial Cell the Best? Sequential Analysis, 26, 415 423.
Tang, M. L., Liao, Y. J., Ng, H. K. T. and Chan, P. S. (2007). Testing the
NonUnity of Rate Ratio under Inverse Sampling, Biometrical Journal
2006
Balakrishnan, N., Ng, H. K.
T. and Panchapakesan, S. (2006). A Nonparametric Procedure Based on Early
Failures for Selecting the Best Population Using a Test for Equality, Journal
of Statistical Planning and Inference,
Choudhary, P. K.
and Ng, H. K. T. (2006). Assessment of Agreement Under Nonstandard Conditions
Using Regression Models for Mean and Variance, Biometrics
Khoshnood, K., Wilson, K. S., Filardo, G., Liu, Z., Ng, H. K. T. and Wu, Z. (2006). Assessing the efficacy of a voluntary HIV counseling and testing intervention for pregnant women and male partners in Urumqi city, China, AIDS and Behavior, 10, 671681.
Ng, H. K. T. and Balakrishnan, N. (2006). Precedence
Testing, In Encyclopedia of Statistical Sciences 9, second edition
(Eds., S. Kotz, N. Balakrishnan, C. B. Read, and B. Vidakovic), pp. 63176323,
Hoboken, NJ: John Wiley & Sons.
2005
Ng, H. K. T. (2005). Parameter Estimation for a Modified Weibull Distribution for Progressively TypeII Censored Samples, IEEE Transactions on Reliability, 54, 374380.
Ng, H. K. T. and Balakrishnan, N. (2005). Weighted Precedence and
Maximal Precedence Tests and an Extension to Progressive Censoring, Journal
of Statistical Planning and Inference, 135, 197221.
Ng, H. K. T. and Tang, M. L. (2005). Testing the equality
of two Poisson means using the rate ratio, Statistics in Medicine, 24,
955  965.
Balakrishnan, N., Ng, H. K. T. and Kannan, N. (2004). GoodnessofFit Tests Based on Spacings for Progressively TypeII Censored Data from a General LocationScale Distribution, IEEE Transactions on Reliability, 53, 349356.
Ng, H. K. T. and Balakrishnan, N. (2004).
Wilcoxontype Ranksum Precedence Tests, Australia and New Zealand Journal
of Statistics, 46, 631  648.
Ng, H. K. T., Chan, P. S. and Balakrishnan, N. (2004). Optimal Progressive Censoring Plan for The Weibull Distribution, Technometrics, 46, 470  481.
Tang, M. L. and Ng, H. K. T. (2004). Letter to the Editor,
comments on Confidence limits for the ratio of two rates based on likelihood
scores: noniterative method by Graham, P. L., Mengersen, K. and Morton, A.
P., Statistics in Medicine, 2003; 22: 20712083, Statistics in
Medicine, 23, 685693.
Balakrishnan, N., Kannan, N., Lin, C. T. and Ng, H. K. T. (2003). Point and interval Estimation for Gaussian Distribution, Based on Progressively TypeII Censored Samples, IEEE Transactions on Reliability, 52, 9095.
Ng, H. K. T., Kundu, D. and Balakrishnan, N. (2003).
Modified moment estimation for twoparameter BirnbaumSaunders distribution, Computational
Statistics and Data Analysis, 43, 283298.
Balakrishnan, N., Ng, H. K. T. and Kannan, N. (2002). A Test
of Exponentiality Based on Spacings for Progressively TypeII Censored Data, in
GoodnessofFit Tests and Model Validity (C. HuberCarol et al., eds.),
pp. 89110. Birkhδuser, Boston.
Ng, H. K. T. and Balakrishnan, N. (2002). Wilcoxontype Ranksum Precedence Tests: Largesample approximation and evaluation, Applied Stochastic Models in Business and Industry, 18, 271286.
Ng, H. K. T., Chan, P. S. and Balakrishnan, N. (2002). Estimation of
Parameters From Progressively Censored Data Using EM Algorithm, Computational
Statistics and Data Analysis, 39, 371386.
Balakrishnan, N. and Ng, H. K. T. (2001). Improved Estimation of the Correlation Coefficient in a Bivariate Exponential Distribution, Journal of Statistical Computation and Simulation, 68, 173184.
Balakrishnan, N. and Ng, H. K. T. (2001). On Estimation of the Correlation Coefficient in MoranDownton Multivariate Exponential Distribution, Journal of Statistical Computation and Simulation, 71, 4158.
Balakrishnan, N. and Ng. H. K. T. (2001). A General Maximal Precedence Test, in System and Bayesian Reliability (Y. Hayakawa, T. Irony and M. Xie, eds.), pp. 105122. Singapore: World Scientific Publishing Co. Pte. Ltd.
Lam, Y. and Ng, H. K. T. (2001). A General Model for Consecutivekoutn: F repairable system with exponential distribution and (k1)step Markov dependence, European Journal of Operational Research, 129, 663682.
Last update: October 1, 2018