Curriculum Vitae
AREAS OF EXPERTISE

PROBABILITY AND DISTRIBUTION THEORYcount models, special functions, computation, simulation
ACADEMIC QUALIFICATION
 PhD (Statistic Mathematics)(UM)(1984), (Statistik Matematik)Universiti Malaya (UM)
 MSc (Mathematics)(UM)(1979), (Mathematics)Universiti Malaya (UM)
 BSc (Mathematics)(UM)(1977), (Mathematics)Universiti Malaya (UM)
ADMINISTRATIVE DUTIES
 Member, Accredition Committee01 Jun 2004  present (Faculty)
 Coordinator, Centre of Research for Mathematical and Statistical Modelling02 Jan 2007  present (University Malaya)
 Chairman, High Performance Computing Specification Committee18 Nov 2011  present (University Malaya)
 Member, High Impact Research Committee (Faculty level)12 Jul 2011  present (Faculty)
 Chairman, Curriculum Committee01 Jun 1995  present (Institute of Mathematical Sciences, Faculty of Science)
 Member Committee for External Program Assessors02 Nov 2012  present (University Malaya)
 Member of Promotion Exercise Panel Assoc Prof.05 Jun 2015  31 Dec 2017 (Institute of Mathematical Sciences, Faculty of Science)
 Head Coordinator29 Jun 2016  22 Oct 2017 (University Malaya)
 Programme Coordinator01 Jan 2015  31 Dec 2016 (Institute of Mathematical Sciences, Faculty of Science)
 Head01 Jan 2015  31 Dec 2015 (Centre for Mathematical & Statistical Modelling, Faculty of Science)
 Head Coordinator01 Jan 2015  31 Dec 2015 (University Malaya)
 Head02 Jan 2014  31 Dec 2014 (Centre for Mathematical & Statistical Modelling, Faculty of Science)
 Head of Department01 Sep 2009  22 May 2011 (Institute of Mathematical Sciences, Faculty of Science)
 Head of Department16 Apr 2009  30 Jun 2011 (University Malaya)
 Head of Department16 Apr 2009  31 Aug 2009 (Institute of Mathematical Sciences, Faculty of Science)
 Member, Evaluation Committee for research projects in Intensive Research in Priority Areas (IRPA)/eScience01 Jun 2000  31 May 2009 (University Malaya)
 Chairman, Higher Degree Committee (JKIT)01 Jun 2001  15 Apr 2009 (Institute of Mathematical Sciences, Faculty of Science)
 Coordinator, MSc (Statistics) by Coursework Program01 Apr 2000  30 Apr 2004 (Institute of Mathematical Sciences, Faculty of Science)
 Chairman, Industrial Training Committee01 Apr 2000  31 Mar 2002 (Institute of Mathematical Sciences, Faculty of Science)
 Member, Computer Laboratory Committee01 Jun 1991  31 May 1999 (Institute of Mathematical Sciences, Faculty of Science)
 Coordinator, BSc (Statistics) Program01 Jun 1990  31 May 1999 (Institute of Mathematical Sciences, Faculty of Science)
 Chairman, Sports Committee01 Jun 1989  31 May 1996 (Institute of Mathematical Sciences, Faculty of Science)
 Member, Seminar/Publication Committee01 Apr 1989  31 May 1994 (Institute of Mathematical Sciences, Faculty of Science)
 Chairman, Computer Laboratory Committee01 Jun 1988  30 May 1991 (Institute of Mathematical Sciences, Faculty of Science)
AWARD AND STEWARDSHIP
 Lead Instructor, BAMI 2016Centre of Mathematical Modelling and Optimization, 2016 (Department)
 Best Paper AwardUniversiti Putra Malaysia, 2016 (International)
 FellowAcademy of Sciences Malaysia, 2010 (National)
 CERTIFICATE OF EXCELLENT SERVICEUniversity of Malaya, 2009 (University)
 Malaysian Toray Science Foundation Award 2009Malaysian Toray Science Foundation, 2009 (National)
 CERTIFICATE OF EXCELLENT SERVICEUniversity of Malaya, 2008 (University)
 KHIDMAT SETIA 30 AWARD, 2008
 EXCELLENCE SERVICE AWARDUniversity of Malaya, 2006 (University)
 CERTIFICATE OF EXCELLENT SERVICEUniversity of Malaya, 2003 (University)
 EXCELLENCE SERVICE AWARDUniversity of Malaya, 2000 (University)
 EXCELLENCE SERVICE AWARDUniversity of Malaya, 1998 (University)
 EXCELLENCE SERVICE AWARDUniversity of Malaya, 1996 (University)
 EXCELLENCE SERVICE AWARDUniversity of Malaya, 1995 (University)
PUBLICATIONS
Article in Journal
 Chakraborty, S. , Ong, S.H, (2017). MittagLeffler function distribution  A new generalization of hyperPoisson distribution, Journal of Statistical Distributions and Applications 4:8 DOI 10.1186/s4048801700609
 Hamzah Abdul Hamid, Bee Wah Yap, Xie XianJin & Seng Huat Ong (2017): Investigating the Power of Goodnessoffit Tests for Multinomial Logistic Regression, Communications in Statistics  Simulation and Computation, DOI: 10.1080/03610918.2017.1303727
 Leong SH, Ong SH (2017) Similarity measure and domain adaptation in multiple mixture model clustering: An application to image processing. PLoS ONE 12(7): e0180307. https://doi.org/10.1371/journal.pone.0180307
 Y. C. Low, S. H. Ong, R. C. Gupta (2017). Generalized Sichel Distribution and Associated Inference. Journal of Statistical Theory and Applications Vol. 16, No. 3 (September 2017) 322 336
 Chakraborty, S., Ong, S.H. (2016) A COMtype Generalization of the Negative Binomial Distribution. Communications in Statistics, Theory & Methods, 45 (14), 41174135
 Maryam Sharifdoust, Choung Min Ng, SengHuat Ong (2016) Probability generating function based Jeffrey's divergence for statistical inference. Communications in Statistics, Simulation and Computation 45: 2445 2458
 Neeraj Kumar Tripathi, Subir Das, Seng Huat Ong, Hossein Jafari, Maysaa Al Qurashi (2016). Solution of Higher Order Nonlinear TimeFractional Reaction Diffusion Equation. Entropy 18(9), 329
 Sim, S.Z., Ong S.H. (2016) A Generalized Inverse Trinomial Distribution with Application. Statistical Methodology, 33, 217233
 Soek Sin Teh, Phooi Tee Voon, Yen Teng Ng, Seng Huat Ong, Augustine Soon Hock Ong and Yuen May Choo (2016) Effects of fatty acids at different positions in the triglycerides on cholesterol levels. Journal of Oil Palm Research, 28 (2) 211221
 Khoo, WC, Ong, SH and Biswas, A (2015) Modeling Time Series of Counts with a New Class of INAR(1) model, Statistical Papers, DOI 10.1007/s0036201507040
 Mukerjee, R., Ong, S. H. (2015. Variance and Covariance Inequalities for Truncated Joint Normal Distribution via Monotone Likelihood Ratio and Log concavity. Journal of Multivariate Analysis 139:16
 Ong, S.H., Biswas, A. Peiris, S., Low, Y. C. (2015) Count Distribution for Generalized Weibull Duration with Applications, Commun. Statist., Theory and Methods 44:19, 42034216
 Dharini Pathmanathan , Rahul Mukerjee & S. H. Ong (2014): Twosided Bayesian and frequentist tolerance intervals: general asymptotic results with applications, Statistics: A Journal of Theoretical and Applied Statistics,Pathmanathan , D., Rahul Mukerjee & S. H. Ong (2014): Twosided Bayesian and frequentist tolerance intervals: general asymptotic results with applications, Statistics: A Journal of Theoretical and Applied Statistics, 48 (3, 524538 DOI:10.1080/02331888.2012.748774
 Gupta, R.C., Sim S.Z., Ong, S.H. (2014) Analysis of Discrete Data by ConwayMaxwell Poisson distribution AStA Advances in Statistical Analysis DOI 10.1007/s1018201402264
 Maiti, R., A.Biswas1, A. Guha, S. H. Ong (2014) Modeling and coherent forecasting of zeroinflated count time series. Statistical Modelling
 Pathmanathan, D., Ong, S. H. (2014) A Monte Carlo simulation study of twosided tolerance intervals in balanced oneway random effects model for nonnormal errors. Journal of Statistical Computation and Simulation 84(11), 23292344
 Sengupta, Ashis; Ong, S. H. (2014)A Unified Approach for Construction of Probability Models for Bivariate Linear and Directional Data. Communications in StatisticsTheory and Methods, 43 (1012) 25632569
 V. Mishra, K. Visha, S. Das, and S. H. Ong (2014) On the solution of the nonlinear fractional diffusion wave equation with absorption: a homotopy approach Z. Naturfors. Sect. AJ. Phys. Sci. 69a, 135 144
 Chua, K.C., Ong, S.H. (2013). Test of Misspecification with Application to Negative Binomial distribution, Computational Statistics, 28(3):993 1009
 Imoto, T., Ong, S.H. (2013)A LAGRANGIAN NONCENTRAL NEGATIVE BINOMIAL DISTRIBUTION OF THE FIRST KIND Communications in Statistics Theory and Methods,42:3, 466477
 Ng, C.M. Ong S.H., H.M. Srivastava, H.M.(2013) Parameter Estimation by Hellinger Type Distance for Multivariate Distributions based on Probability Generating Functions. Applied Mathematical Modelling, 37 7374 7385, DOI information: 10.1016/j.apm.2013.02.044
 Ong, S.H., Ng, C.M. (2013) A bivariate generalization of the noncentral negative binomial distribution. Communications in Statistics, Simulation and Computation 42:3,570585
 Vishal, K., S. Das, S.H. Ong , P. Ghosh (2013) On the solutions of fractional Swift Hohenberg equation with dispersion. Applied Mathematics and Computation 219, 5792 5801
 Y. N. Phang , S. Z. Sim & S. H. Ong (2013): Statistical Analysis for the Inverse Trinomial Distribution, Communications in Statistics  Simulation and Computation, 42:9, 20732085
 Ong, S.H., S. Chakraborty, T. Imoto, K. Shimizu (2012). Generalizations of noncentral negative binomial, Charlier series distributions and their extensions by Lagrange expansion. Communications in Statistics, Theory and Methods 41:4, 571590
 Ong, S.H., Sengupta, A. (2012). Bivariate and multivariate circular distributions by mixtures. Journal of the Indian Statistical Association, 50, 193 204.
 P.L. Gupta, R.C. Gupta, S.H. Ong and H.M. Srivastava (2012). Reliability and nonreliability studies of Poisson variables in series and parallel systems. Applied Mathematics and Computation 218, 5112 5120
 Lee, W.J. and Ong, S.H. (2011).Computer generation of inverse Gaussian samples by envelope rejection. Malaysian Journal of Science, 30, 7680.
 Ong, S.H., Mukerjee, R. (2010) Probability Matching Priors for Twosided Tolerance Intervals in Balanced Oneway and Twoway Nested Random Effects Models, to appear in Statistics: A Journal of Theoretical and Applied Statistics
 Sugita, T., Shimizu, K., Ong, S.H. and Ng, C.M. (2010) A family which integrates the generalized Charlier series and extended noncentral negative binomial distributions, to appear in Communications in Statistics, Theory and Methods
 Yap, B.W. , S.H. Ong and N.H. M. Husain (2011). Using data mining to improve assessment of credit worthiness via credit scoring models. Expert Systems with Applications 38, 13274 13283
 Zhijie Zhang, Dongmei Chen, Wenbao Liu, Jeffrey S. Racine, SengHuat Ong, Yue Chen, Genming Zhao, Qingwu Jiang 2011 Nonparametric Evaluation of Dynamic Disease Risk: A SpatioTemporal Kernel Approach PLoSONE 6(3): e17381. doi:10.1371/journal.pone.0017381
 Ng, C. M. Ong,S.H. Srivastava, H.M. (2010). A Bivariate Negative Binomial Distribution with Different Index Parameters in the Marginals. Applied Maths. and Computation 217 (2010) 3069 3087
 Ong, S.H., Mukerjee, R. 2010. Datadependent probability matching priors of the second order. Statistics, 44, 291  302
 Sim S. Z. and Ong, S. H. (2010) Parameter estimation for discrete distributions by generalized Hellinger type divergence based on probability generating function, Communications in Statistics, Simulation and Computation 39: 2, 305 314
 Ong,S.H., Shimizu, K. 2009. A discrete distribution arising as a solution of a linear difference equation: A generalization of the noncentral negative binomial distribution. Communications in Statistics, 38: 927938
 Kazuki Aoyama, K. Shimizu, S.H. Ong (2008). A first passage time random walk distribution with five transition probabilities: a generalization of the shifted inverse trinomial, Annals Inst. Stat. Math., 60, 120
 Ong S.H., Mukerjee, R. 2008. Interval Estimation of the Population Mean under Model Uncertainty: Robust Versus Empirical Statistics. J. Statistical Planning and Inference. 138: 36963704
 P.L. Gupta, R.C. Gupta, S.H. Ong and H.M. Srivastava (2008). A class of HurwitzLerchZeta distribution and their applications in reliability. Applied Maths. and Computation, 196,521531
 S.H. Ong and Lee W.J. (2008) Computer generation of negative binomial variates by envelope rejection, Computational Statistics and Data Analysis, 52, 4175 4183
 Zhang, Z. , S. H.Ong, W. Peng, Y. Zhou, J. Zhuang, G. Zhao, Q. Jiang (2008) A model for the prediction of Oncomelania hupensis in the lake and marshland regions, China. Parasitology International, 57, 121131
 Zhang, Z. J., Ong, S. H., Lynn, H. S., Peng, W. X., Zhou, Y. B., Zhao, G. M., et al. (2008). Generalized negative binomial distribution: a promising statistical distribution for Oncomelania hupensis in the lake and marshland regions of China. Annals of Tropical Medicine and Parasitology, 102(6), 541552.
 Khang, T.F. and Ong S.H. (2007) A New Generalization of the Logarithmic Distribution Arising from the Inverse Trinomial Distribution, Communications in Statistics, Theory & Methods, 36, 321
 P.T. Yap, P. Raveendran, S.H. Ong (2007) Image Analysis using Hahn Moments, IEEE Transactions on Pattern Analysis and Machine Intelligence, 29, 2057 2062
 S.H. Ong, K. Shimizu, Choung Min Ng (2007) A Class of Discrete Distributions Arising from Difference of Two Random Variables, Computational Statistics and Data Analysis, Vol. 52/3 pp 14901499
 Gupta, R. C., S.H. Ong, (2005) Analysis of Long tailed Count Data by Poisson Mixtures, Communications in Statistics , 34, issue 3, 557574.
 Masashi Kitano, Kunio Shimizu, S.H. Ong (2005). The generalized Charlier series distribution as a claim number distribution with twostep recursion. Statistics & Probability Letters, 75, 280290
 Ong, S.H., Yap, B.W., Ng, K.H. and Bradley, D.A.(2005) Discriminant Analysis Involving Dependence and Censoring: Trace elemental concentrations of normal and malignant breast tissues. Journal of Science and Technology in the Tropics, 1, 8791.
 Gupta, P.L., Gupta, R. C., Ong S.H.2004. Modeling Count Data by Random Effect Poisson Model. Sankhya, 66:548565
 Gupta, R. C., S.H. Ong, (2004) A new generalization of the negative binomial distribution. Computational Statistics & Data Analysis, Volume 45, Issue 2, 1 March 2004, Pages 287300
 P.T. Yap, P. Raveendran, S.H. Ong (2003) Image Analysis by Krawtchouk Moments, IEEE Transactions on Image Processing, 12, 13671377
 Yap, B.W. and S.H. Ong (2002). The effects of nonnormality on the performance of the linear discriminant analysis for two dependent populations.J. Teknologi Maklumat dan Sains Kuantitatif , 4(1), 110
 Lee, P.A, Ong, S.H. and Srivastava, H.M.(2001) Some Integrals of the Products of Laguerre Polynomials, Internat. J. Computer Mathematics, 78, 303321
 Mukundan, R., Ong, S.H. and Lee, P.A. (2001)Image Analysis by Tchebichef Moments, IEEE Transactions on Image Processing ,10, 13571364
 Ong S.H. and Toh K.K. 2001. Cluster size distribution of the noncentral negative binomial distribution. Commun. Statist.,Theory and Methods, 30, no. 11, 2415 2426
 Lee, P.A, Ong, S.H. and Srivastava, H.M. (2000) Some generating functions for the Laguerre and related polynomials, Appl. Math. and Computation, 108, 129138
 Ong S.H. (2000), On a generalization of the logseries distribution, J. Appl. Statist. Sc., 10(1), 7788
 Ong S.H. and P.A. Lee (2000), Probabilistic interpretation of a transformation of Lauricella s hypergeometric function of n variables and a integral of product of Laguerre polynomials June issue, Internat. J. of Math. and Statist. Sciences, 9, 513
 Lee, P.A, Ong, S.H. and Srivastava, H.M. (1999) Probabilistic derivation of some generating functions for Laguerre polynomials Computers and Mathematics with Applications, Vol. 38, Nos. 7 and 8, pp. 2129
 Ong S.H. (1999) Probabilistic Proof of a Hankel transform of Laguerre polynomials, Journal of the Franklin Institute, 336,10071011
 Ong, S.H.(1998) A note on the mixed Poisson formulation of Poissoninverse Gaussian distribution, Communications in Statistics, Simulation and Computation, 27,6778
 Ong, S.H., Ng, K.H. and Bradley, D.A. (1998) On a statistical method of handling data with determination limit in radioanalytical research, Rad. Phys. Chem., 51, 591592
 Ng, K.H., Ong, S.H., D.A. Bradley, Looi, L.H.(1997). Discriminant analysis of normal and malignant breast tissue based upon INNA investigation of elemental distribution, Applied Radiation and Isotopes, 48,105109
 Ong, S.H. and Ong, E.K. (1997) A note on the generalized Lomax distribution as a lifetime model. Malaysian Journal of Science, 18, 5153
 Ong, S.H.(1997) Mixed gamma distributions in reliability theory, J. Applied Statist. Science, 6, 189203
 Ong, S.H.(1996).On a class of discrete distributions arising from the birthdeathwith immigration process, Metrika, 43, 221235
 Ong, S.H.(1996).On the computer generation of bivariate binomial variates by mixture,Malaysian Journal of Science,15
 Ong, S.H and Muthaloo,S.1995. A class of discrete distributions suited to fitting very longtailed data. Communications in Statistics, Simulation and Computation, 24, 929945
 Ong, S.H.(1995). Computation of bivariate gamma and inverted beta distribution functions. Journal of Statistical Computation and Simulation, 51, 153163
 Ong, S.H.(1995). Computation of probabilities of a generalized logseries and related distributions. Commun. Statist.,Theory and Methods, 24, 253271
 Ong, S.H.(1995). Some stochastic models leading to the convolution of two binomial variables. Statistics and Probability Letters, 22, 161166
 Ong, S.H.1995. Characterization of the negative binomial and gamma distributions. Biom. J., 37, 251 254
 Raveendran, P., Omatsu, S., Ong, S.H.(1994).Neuropattern classification using Zernike moments and its reduced set of features. Intelligent Systems Engineering, 3, 230235
 Goh, S.H., C.H.Chua,S.H.Ong et al (1993). Cuticular hydrocarbons from two species of Malaysian Bactrocera fruit flies. Biochemical Systematics and Ecology, 21(2),215226.
 Ong, S.H.(1993). Canonical expansions, correlation structure and conditional distributions of bivariate distributions generated by mixtures. Commun. Statist.Theor. & Method, 22, no.9, 25272547.
 Ong, S.H. and Lee P.A.(1992). Orthogonal polynomials of a class discrete distributions with application. Sankhya B, 54, 170183.
 Ong, S.H.(1992). The computer generation of bivariate binomial variables with given marginals and correlation. Commun. Statist.Simul.& Comput.,21, 285299.
 Ong, S.H.(1990). Mixture formulations of a bivariate negative binomial distribution with applications. Commun. Statist.Theor. & Method, 12, 13031322.
 Ong, S.H.(1988). A discrete Charlier series distribution. Biom. J.,30,10031009.
 Ong, S.H.(1987). Some notes on the noncentral negative binomial distribution. Metrika,34, 225236.
 Lee, P.A. and Ong S.H. (1986). The bivariate non central negative binomial distributions. Metrika, 33,1 28.
 Lee, P.A. and Ong S.H.(1986). Higherorder and nonstationary properties of Lampard's stochastic reversible counter system. Statistics, 17, 261278.
 Ong, S.H. and Lee P.A.(1986). Bivariate noncentral negative binomial distribution: Another generalization. Metrika, 33, 2946.
 Ong, S.H. and Lee P.A.(1986). On a generalized non central negative binomial distribution. Commun. Statist.Theor. & Method, 15, 10651079. (Special Issue)
 Ong, S.H. and Lee P.A.(1985). On the bivariate negative binomial distribution of Mitchell and Paulson. Naval Research Logistics Quarterly, 32, 457 465.
 Ong, S.H. and Lee P.A.(1979). The noncentral negative binomial distribution. Biom. J.,21, 611628.
Books
Article in Proceeding
 Ong, S.H., P.L. Gupta & R.C. Gupta (2007) A study of HurwitzLerchZeta distribution and its applications. 56th ISI Session, Lisboa, 2229 August 2007
 Khang, T.F. and Ong, S.H. (2005). A New Generalization of the Logarithmic Distribution, 55th ISI Session, Sydney, 512 April 2005
 Gupta, P.L., Gupta, R. C., S.H. Ong, (2003) Modeling Count Data by Random Effect Poisson Model, Bulletin of the ISI, p. 447448, 54th ISI Session, Berlin, 1320 August 2003
 Ong, S.H. and K. Shimizu, A Class of Discrete Distributions Expressed as Difference of Two Random Variables, Bulletin of the ISI, p. 194195, 54th ISI Session, Berlin, 1320 August 2003
 Yap, P.T., Raveendran P., & Ong, S. H., (2002). Krawtchouk Moments as a New Set of Discrete Orthogonal Moments for Image Reconstruction, Joint Conferences on Neural Network (IJCNN 2002), 908912, Joint Conferences on Neural Network (IJCNN 2002), May, Hawaii, U.S.A,
 Mukundan, R., Ong, S.H., Lee, P.A. (2001) Discrete vs. Continuous Orthogonal Moments for Image Analysis. Las Vegas, USA: International Conference on Imaging Systems, Science and Technology CISST'2001, July, 2001. 2329.
 Yap, P.T., P. Raveendran, S.H. Ong (2001)Chebyshev moments as a new set of moments for image reconstruction, Neural Networks, 2001, Proceedings IJCNN '01. International Joint Conference , vol.4, pp. 28562860
 Mukundan, R., Ong, S.H., Lee, P.A. (2000) Discrete Orthognal Moment Features Using Chebyshev Polynomials. New Zealand: International Conference on Image and Vision Computing  IVCNZ'00, 2729, November 2000. 20 25.
 Ong, S.H. and Yap B.W. (2000), Discriminant Analysis Involving Censored Data, International Conference on Mathematics and it s Applications in the New Millennium, UPM, Malaysia, 1821 July 2000, Proceedings, p. 288297
 Ong, S.H., Yap, B.W., Ng, K.H. and Bradley, D.A. (1998) Discriminant analysis of breast tissue elemental concentration data with determination limits, International Meeting on Frontiers of Physics, 25th29th October, 1998, Kuala Lumpur (Proceedings published by World Scientific, pp. 538 542)
 Ong, S.H. (1997) A generalization of the logseries distribution, Bulletin of the International Statistical Institute,227228 (51st Session of the ISI, Istanbul, 1826 August 1997)
 Ong, S.H. (1995) A rejection method for generating negative binomial variates by computer. Bulletin of the International Statistical Institute, 50th Session of the ISI, Beijing, 928929
Other Publications
 S.H. Ong, Generation by Mixtures of Bivariate and Multivariate Distributions With Given Marginals and Correlation, page 1323, in Multivariate Statistical Methods (Editor: Ashis Sengupta), 2008, MacMillan  Monograph
 Ong, S.H., A note on the computer generation of bivariate binomial and negative binomial variables, Research Report #32/88, Department of Mathematics, University of Malaya  Technical Report
 Ong, S.H., A note on the approximation operator of Cheney and Sharma, Research Report #3/86, Department of Mathematics, University of Malaya.  Technical Report
 Ong, S.H., The noncentral binomial distribution, Research Report #6/85, Department of Mathematics, University of Malaya.  Technical Report
 Ong, S.H., On the noncentral negative binomial distribution, Research Report #7/84, Department of Mathematics, University of Malaya.  Technical Report
RESEARCH INTEREST
 Applications of Special Functions
 Data Mining and Statistical Data Analysis
 Simulation and Computation
 Discrete Distribution Theory and Mixture Modelling
RESEARCH PROJECT
National
 2011  2015, High Impact Research (HIR)Network analysis of social, technological and biological networks ( Consultant)
 2012  2015, Fundamental Research Grant Scheme (FRGS)New Class of Statistical Models and Inference Techniques for Modelling and Data Analysis ( Consultant)
 2013  2015, Fundamental Research Grant Scheme (FRGS)Modelling dispersion and statistical inference in times series of counts ( CoInventor)
 2013  2015, UMIMPACT OF POPULATION AGEING ON ECONOMIC GROWTH ( CoInventor)
 2013  2015, Fundamental Research Grant Scheme (FRGS)Modelling Dispersion and Statistical Inference ( CoInventor)
 2013  2014, Geran Penyelidikan Universiti Malaya (UMRG)Stochastic Dynamics, Processes and Models for Dispersion ( CoInventor)
 2011  2012, Geran Penyelidikan Universiti Malaya (UMRG)A Class of Absolutely Continuous Bivariate Distributions ( Consultant)
 2007  2012, ScienceFundDevelopment of mixture models and their statistical inference for applications in finance and industry ( CoInventor)
 2002  2012, ScienceFundStatistical Modelling and Application ( CoInventor)
 2007  2012, Fundamental Research Grant Scheme (FRGS)Robust minimum divergence and empirical discrepancy estimation methods for mixtures and related distributions ( CoInventor)
 2010  2012, Fundamental Research Grant Scheme (FRGS)Bayesian inference and Approximate Frequentist Validity for a Family of Distributions with Applications ( CoInventor)
 2009  2012, Geran Penyelidikan Universiti Malaya (UMRG)Family of Distributions for Count and Regression Modelling ( CoInventor)
 2007  2012, Geran Penyelidikan Universiti Malaya (UMRG)STATISTICAL INFERENCE WITH APPLICATIONS ( CoInventor)
CONSULTANCY PROJECT
 Kajian Penilaian Pencapaian dan Impak Program R,D&C Kementerian Sains, Teknologi dan Inovasi (Mosti) Di Bawah Rancangan Malaysia Ke9, KEMENTERIAN SAINS, TEKNOLOGI DAN INOVASI (MOSTI)01 Oct 2012  01 Oct 2013 (National)
PAPER PRESENTED
PLENARY SPEAKER
 Inverse Trinomial Distribution: Properties and Generalizations, 13th Iranian Statistical Conference, Shahid Bahonar University of Kerman, August 2325, 2016, Shahid Bahonar University of Kerman, Iran (International) (23 Aug 2016  25 Aug 2016)
 Publishing papers in ISI Web of Science journals: Some tips and suggestions, istatistics 2013 , Centre for Statistical and Decision Sciences Studies, Faculty of Computer and Mathematical Sciences, UiTM (National) (08 Jun 2013  08 Jun 2013)
 Developments in Statistical Modelling: A Mixture Model Perspective, 17 th National Symposium in Mathematical Sciences (National) (14 Dec 2009  17 Dec 2009)
 Data Mining: Another kind of Statistics?, National Symposium on Mathematical Sciences, Institute of Mathematical Sciences, University of Malaya (National) (06 Jun 2006  08 Jun 2006)
 Statistics: From Data to Science, MSTC 2004, MSTC (National) (05 Oct 2004  07 Oct 2004)
INVITED SEMINAR
 A Family of Distributions for Modelling Dispersion in Count Data, 1st International Conference on Econometrics and Statistics (Ecostat 2017), Working Group on Computational and Methodological Statistics (CMStatistics), the network of Computational and Financial Econometrics (CFENetwork) and Hong Kong University of Science and Technology (HKUST) Business School. (International) (15 Jun 2017  17 Jun 2017)
 Construction of Bivariate Circular Distributions, Platinum Jubilee International Statistics Conference Applications of Statistics , 2123 December, Calcutta University, India, Calcutta University (International) (21 Dec 2016  23 Dec 2016)
 Further probabilistic properties of the noncentral negative binomial distribution, The 3rd ISM International Statistical Conference, 911 August 2016, Institute of Mathematical Sciences, University of Malaya, Invited session "Statistical Distribution Theory with Applications", Institute of Mathematical Sciences, University of Malaya (International) (09 Aug 2016  11 Aug 2016)
 Discrete Distribution Theory, Mixture Modelling, related Statistical Inference and Analysis, First International Conference on Mathematics and Its Applications, Korea University, Seoul, Department of Mathematics, Korea University (International) (27 Aug 2015  29 Aug 2015)
 Monte Carlo Simulation: A Primer. , Computational Mathematics and Statistics 2008 (Seminar Series),, Institute of Mathematical Sciences, University of Malaya (University) (21 May 2008  23 May 2008)
 A discrete distribution arising as a solution of a linear difference equation: extension of the noncentral negative binomial distribution, International Conference Multiple Decision Theory, Statistical Inference and Applications (International) (28 Dec 2007  30 Dec 2007)
 Generation by Mixtures of Bivariate and Multivariate Distributions With Given Marginals and Correlation, Workshop on Multivariate Statistical Methods with Emerging Applications, Indian Statistical Institute, Kolkata, India (International) (23 Dec 2006  27 Dec 2006)
 Testing for symmetry in two correlated count variables based on zeroadjusted difference, International Conference on the "FUTURE OF STATISTICAL THEORY, PRACTICE AND EDUCATION ", Professor C.R. Rao (International) (29 Dec 2004  01 Jan 2005)
INVITED SPEAKER
 Bivariate Circular Distributions based on SarmanovLee Family of Distributions, World Statistics Congress 2017, International Statistical Institute (ISI), High Commission for Planning (HCP), Morocco (International) (16 Jul 2017  21 Jul 2017)
 Statistical Inference by Hellinger Type Distance based on probability generating function, The 3rd ISM International Statistical Conference, 911 August 2016, Institute of Mathematical Sciences, University of Malaya, Institute of Statistical MathematicsTokyoUM Joint Session, Institute of Mathematical Sciences, University of Malaya (International) (09 Aug 2016  11 Aug 2016)
 A family of mixed INAR(1) time series model with applications, The 24th International Workshop on Matrices and Statistics, Haikou, Hainan, China, Hainan Normal University Haikou,Hainan,China (International) (25 May 2015  28 May 2015)
 Parameter estimation for the wrapped stable distributions based on the empirical characteristic function, IASSL International Statistics Conference, University of Louisville & Institute of Applied Statistics, Sri Lanka (International) (28 Dec 2014  30 Dec 2014)
 Logconcave distributions: statistical analysis and modelling, 22nd National Symposium in Mathematical Sciences 2014, , Institute of Mathematical Sciences,University of Malaya (National) (24 Nov 2014  26 Nov 2014)
 Statistical Analysis of Discrete Data with COM Poisson and other families of distributions, ISI Regional Statistics Conference 2014, Bank Negara Malaysia, International Statistical Institute (International) (16 Nov 2014  19 Nov 2014)
 Computation of probabilities in count data models, SKism VIII 2014, Institute of statistics Malaysia; Mathematics Department,Universiti Putra Malaysia (National) (11 Feb 2014  11 Feb 2014)
 Properties and mixed Poisson formulation of the inverse trinomial distribution, Advances and Applications in Distribution Theory, Institute of Statistical Mathematics (International) (14 Jan 2014  14 Jan 2014)
 Research Writing for Publication in Web of Science ISI journals, Workshop on Writing and Communication in Research, 1920 November 2013, Bank Negara Malaysia,Department of Statistics Malaysia and Malaysia Institute of Statistics, in collaboration with the International Statistical Institute (International) (19 Nov 2013  20 Nov 2013)
 Generalized Inverse Trinomial Distribution as a Statistical Model for Dispersion, The 6th ASEANChina Conference of Mathematics, Guizhou University, Ministry of Education of China and the People s Government of Guizhou Province, China (International) (16 Sep 2013  18 Sep 2013)
 How to do theoretical research in statistical sciences, Bengkel Penyelidikan Forecating Volatility, RIMC, Universiti Utara Malaysia (University) (22 Mar 2013  22 Mar 2013)
 Nonexponential Duration and Planar Random Walk Distributions for Modelling Dispersion , 8th Mathematical and Physical Sciences Graduate Congress, Chulalongkorn University, Thailand (International) (08 Dec 2012  10 Dec 2012)
 STATISTICAL ANALYSIS FOR THE INVERSE TRINOMIAL DISTRIBUTION, 1st ISM INTERNATIONAL STATISTICAL CONFERENCE 2012 Persada Johor, Johor Bahru, Malaysia , Institute of Statistics Malaysia & University of Technology Malaysia (International) (04 Sep 2012  06 Sep 2012)
 Bivariate Cardioid Distributions, International Conference on Advances in Probability and Statistics Theory and Applications: A Celebration of N. Balakrishnan s 30 years of Contributions to Statistics, The Chinese University of Hong Kong (International) (28 Dec 2011  31 Dec 2011)
 Statistical Modelling: Mixture Models and their Applications, Seminar Matematik 2011, Program Matematik dengan Ekonomi, Universiti Malaysia Sabah, Jabatan Matematik dengan Ekonomi, Universiti Malaysia Sabah (National) (01 Jul 2011  01 Jul 2011)
 Count Distributions for Autoregressive Conditional Duration Models with Application to Financial Data, 2nd IIMA Conference, Ahmedabad , India, 89 January 2011 (Invited speaker), Indian Institute of Management, Ahmedabad (International) (08 Jan 2011  09 Jan 2011)
 Bivariate Cardioid Distributions and Tests of Isotropy and Independence, 2nd IIMA Conference, Ahmedabad , India, , Indian Institute of Management, Ahmedabad (International) (08 Jan 2011  09 Jan 2011)
 Formulation of Bivariate and Multivariate Circular Distributions by Mixtures, , Multivariate Distributions and Applications, (7th MDA), Maresias, Brazil, , Institute of Mathematics and Statistics of the University of S Paulo, (International) (08 Aug 2010  13 Aug 2010)
 Properties and Application of the Inverse Trinomial Distribution. , International Conference on Statistical Methodologies and Related Topics, Massey University, New Zealand, Institute of Fundamental Sciences, Massey University, New Zealand (International) (29 Jun 2010  01 Jul 2010)
 Families of Multivariate Distributions for Empirical Modelling. , National Conference on Asymmetric distributions, Keio University, Yagami Campus (Faculty of Science and Technology), Nov 25 to 27, 2009. (Invited speaker) , Department of Mathematics, Keio University (International) (25 Nov 2009  27 Nov 2009)
 Families of Multivariate Distributions for Empirical Modelling , National Conference on Asymmetric distributions, , Keio University (Others) (25 Nov 2009  27 Nov 2009)
 Classification for two correlated normal populations: Distribution of quadratic discriminant statistic and some Monte Carlo studies, An International Conference on "Multivariate Statistical Methods in the 21st Century: The Legacy of Prof. S.N. Roy", Indian Statistical Institute, Kolkata, India (International) (28 Dec 2006  29 Dec 2006)
 Modelling of Count Data by Mixtures, MSTC 2003, MSTC (National) (23 Sep 2003  25 Sep 2003)
 Cluster size distribution and some properties of the noncentral negative binomial distribution, International Conference on Statistics in the 21st Century, University of Maine, Orono, Maine, USA (International) (29 Jun 2000  01 Jul 2000)
 A discrete distribution arising as a solution of a linear difference equation, International Conference on Statist. Inference, Combinatorics and Related Areas, Banaras Hindu University, Varanasi India (International) (18 Dec 1997  21 Dec 1997)
EVENT ORGANISER
 Distributions and Models in Directional Statistics, Special Topic Session STS828, International Statistical Institute (ISI), High Commission for Planning (HCP), Morocco (International) (16 Jul 2017  21 Jul 2017)
 Statistical Models with Applications (Organised Invited SessionEO296), 1st International Conference on Econometrics and Statistics (Ecostat 2017), Working Group on Computational and Methodological Statistics (CMStatistics), the network of Computational and Financial Econometrics (CFENetwork) and Hong Kong University of Science and Technology (HKUST) Business School (International) (15 Jun 2017  17 Jun 2017)
ORAL PRESENTER
 Parameter estimation for discrete distributions based on probability generating functions , The Fourth Mathematics and Physical Science Graduate Conference , Faculty of Science, National University of Singapore (Others) (17 Dec 2008  19 Dec 2008)
 A class of discrete distributions arising from difference of two random variables, The Second Mathematics and Physical Science Graduate Conference, , Faculty of Science, National University of Singapore (Others) (11 Dec 2006  13 Dec 2006)
 Zeroinflated inverse trinomial distribution for modeling count data, 2nd IMTGT 2006 Regional Conference on Mathematics, Statistics and Applications , Universiti Sains Malaysia (Others) (13 Jun 2006  15 Jun 2006)
 Bootstrap confidence intervals and parameter estimation for a class of discrete distributions with cubic variance functions, International Conference on Mathematical Modelling and Computation , Universiti Brunei Darussalam (International) (05 Jun 2006  08 Jun 2006)
POSTER PRESENTER
 Modelling and analysis of data disclosure risk by the inverse trinomial distribution, The Second Mathematics and Physical Science Graduate Conference , Faculty of Science, National University of Singapore (Others) (11 Dec 2006  13 Dec 2006)
 Discriminant analysis of paired data with determination limit, School on Modern Statistical Methods in Medical Research, International Centre for Theoretical Physics, Trieste (International) (06 Sep 1999  24 Sep 1999)
PRESENTER
 Statistical analysis for distribution of a random walk on the plane, 60th World Statistics Congress, ISI 2015, Rio de Janeiro, Brazil, International Statistical Institute (International) (26 Jul 2015  31 Jul 2015)
 A Multivariate Distribution with GammaConvolution as Marginals and Some Applications , 5th Asian Mathematics Conference (International) (22 Jun 2009  26 Jun 2009)
 Generation of approximate gamma samples by partial rejection, IASC 2008 (International) (05 Dec 2008  08 Dec 2008)
 A study of HurwitzLerchZeta distribution and its applications , 56th ISI Session (International) (22 Aug 2007  29 Aug 2007)
 Ong, S.H. (2006) Analysis of Results: Statistical Analysis in Scientific Research,, Workshop on Conducting your research and writing your thesis , IPS, University of Malaya (University) (20 Apr 2006  20 Apr 2006)
 A New Generalization of the Logarithmic Distribution, 55th ISI Session (International) (05 Apr 2005  12 Apr 2005)
 Modeling Count Data by Random Effect Poisson Model, 54th ISI Session (International) (13 Aug 2003  20 Aug 2003)
 A Class of Discrete Distributions Expressed as Difference of Two Random Variables, 54th ISI Session (International) (13 Aug 2003  20 Aug 2003)
 A new generalization of the negative binomial distribution, 53rd Session of the ISI (International) (22 Aug 2001  29 Aug 2001)
 Selfdecomposability, limiting behaviour and other properties of a Laguerre series distribution, International Conference and Workshop on recent developments in statistics and their applications, (International) (26 Jun 2001  30 Jun 2001)
 Discriminant Analysis Involving Censored Data, International Conference on Mathematics and its Applications in the New Millennium , UPM (International) (18 Jul 2000  21 Jul 2000)
 Ng, K.H., Ong S.H. et al (2000), Hard copy versus soft copy reading of chest radiographs, , 23rd Malaysian Radiological Society Scientific Meeting, 24 June 2000, Malaysian Radiological Society (National) (02 Jun 2000  04 Jun 2000)
 An extension of a bivariate noncentral negative binomial distribution, Third ARS Conference on Statistical Computing, Asian Regional Section, International Association of Statistical Computing (International) (02 Dec 1998  04 Dec 1998)
 Discriminant analysis of breast tissue elemental concentration data with determination limits, International Meeting on Frontiers of Physics (International) (25 Oct 1998  29 Oct 1998)
 Ong, S.H. and Yap, B.W.(1997) Discriminant analysis using SAS , 11th Annual SUM Conference, SAS Malaysia (National) (10 Sep 1997  10 Sep 1997)
 A generalization of the logseries distribution, 51st Session of the International Statistical Institute , International Statistical Institute (International) (18 Aug 1997  26 Aug 1997)
 An approximate method for generating negative binomial variates, National Symposium on Science and Mathematics, ITM, 35 December, 1996, ITM, Shah Alam (National) (03 Dec 1996  05 Dec 1996)
 A rejection method for generating negative binomial variates by computer, 50th Session of the International Statistical Institute, Beijing, International Statistical Institute (International) (21 Aug 1995  29 Aug 1995)
 The computation of probability distribution and distribution function by mixture formulation, Sixth National Symposium on Science and Mathematics , Dept. of Mathematics, University of Malaya (National) (03 May 1994  05 May 1994)
 Latent structure models and diagonal expansion of bivariate distributions, Third FrancoSEA Mathematics Conference, Department of Msthematics, University of Malaya (International) (21 May 1985  23 May 1985)
 Bivariate generalisations of the noncentral negative binomial distribution with applications, Third Southeast Asian Seminar on Statistics, Department of Mathematics, National University of Singapore (Others) (05 Nov 1980  06 Nov 1980)
OTHERS
 Generating Function based Estimation for Circular Distributions, The 3rd ISM International Statistical Conference, Institute of Mathematical Sciences, University of Malaya (International) (09 Aug 2016  11 Aug 2016)
 Count Distribution for Mixture of Two Exponentials as Renewal Process Duration with Applications, Innovations Through Mathematical And Statistical Research: 2nd International Conference On Mathematical Sciences And Statistics (Icmss2016), 2628 Jan 2016, UPM, Universiti Putra Malaysia (International) (26 Jan 2016  28 Jan 2016)
 A Goodnessoffit based on an Information Matrix Identity. , 6th IMTGT International Conferences on Mathematics, Statistics and Their Applications (ICMSA 2010), UTAR (International) (03 Nov 2010  04 Nov 2010)
 A New Generalized Logarithmic Distribution with Applications in Ecology, International Statistics Conference, Statistics in the Technological Age , Institute of Mathematical Sciences, University of Malaya (International) (28 Dec 2005  31 Dec 2005)
 Computer Generation of Negaive Binomial Variates by mixed Poisson Envelope Rejection , International Statistics Conference, Statistics in the Technological Age (International) (28 Dec 2005  31 Dec 2005)
 Model fitting and inference for a class of discrete distributions with cubic variance functions , International Statistics Conference , Statistics in the Technological Age, , Institute of Mathematical Sciences, University of Malaya (International) (28 Dec 2005  31 Dec 2005)
 Laguerre Distributions And Lagrange Probability Distributions, International Statistics Conference, Statistics in the Technological Age , Institute of Mathematical Sciences, University of Malaya (International) (28 Dec 2005  31 Dec 2005)
 Krawtchouk Moments as a New Set of Discrete Orthogonal Moments for Image Reconstruction, Int l Joint Conf Neural Network (IJCNN 2002) (International) (10 May 2002  15 May 2002)
 Chebyshev moments as a new set of moments for image reconstruction, Int l Joint Conf Neural Network (IJCNN 2001) (International) (14 Jul 2001  19 Jul 2001)
 Discrete vs. Continuous Orthogonal Moments for Image Analysis. , Int. Conf. on Imaging Science, Systems, and Technology (International) (25 Jun 2001  28 Jun 2001)
 Discrete orthogonal moment features using Tchebichef polynomials, International Conference on Vision and Image Computing New Zealand 2000 (International) (27 Nov 2000  29 Nov 2000)
 Cuticular hydrocarbons of some Malaysian Bactrocera fruit flies, Symposium on Tropical Fruit Flies, Kuala Lumpur (International) (10 May 1992  12 May 1992)
ACADEMIC/PROF. SERVICES
Evaluation
 (2016) "GeometricZero Truncated Poisson Distribution: Properties and Applications" for journal Statistics, (Reviewer)
 (2016) "Note on the singularity of the Poissongamma model Journal", Statistics and Probability Letters, (Reviewer)
 (2016) Generalized Exponential Truncated Negative Binomial Distribution" for American Journal of Mathematical and Management Sciences, (Reviewer)
 (2016) "Circular circular regression model with a spike at zero" for Statistics in Medicine, (Reviewer)
 (2016) The Ristic BalakrishnanG Family of Distributions: Mathematical Properties and Applications , Journal of Statistical Distributions and Applications, (Reviewer)
 (2016) "A new generalization of the half normal distribution: Properties and applications" for Journal of Statistical Computation and Simulation, (Reviewer)
 (2016) Reviewer of project proposals, (Reviewer)
 (2016) Simposium Kebangsaan Sains Matematik Ke23 (SKSM23), AIP Conference Proceeding, (Reviewer)
 (2016) On a Mixture of Normal and Generalized Skew Normal Distributions, (Reviewer)
 (2016) PENILAIAN MAKALAH JURNAL BAGI ANUGERAH MAPIMKPT 2015, (Reviewer)
 (2015) A Bivariate Generalized Geometric Distribution with Applications, (Reviewer)
 (2015) A Twoparameter General Inflated Poisson Distribution: Properties and Applications , (Reviewer)
 (2015) The Two Ignored Components of Random Variation , (Reviewer)
 (2015) Multivariate zerotruncated/adjusted Charlier series distributions with applications , (Reviewer)
 (2015) Multiple Circular Regression GSCS20150352, (Reviewer)
 (2015) ICSSBE 2015, 2nd International Conference on Statistics in Science, Business and Engineering, Malaysia, Putrajaya, 2  3 September 2015 , (Reviewer)
 (2014) Review of Generalized binomial distribution in photon statistics Manuscript Number: CEJPD1400092 R1 , (Reviewer)
 (2014) Review paper An alternative to the logarithmicwithzeros distribution and its generalization: Properties and estimation South African Statistics journal, (Reviewer)
 (2014) Review paper New proofs of some qsummation and qtransformation formulas MS No: 940358, (Reviewer)
 (2014) Review of the paper Multinomial Difference Distribution with Application in Traffic Accidents Manuscript Number: V372R04, (Reviewer)
 (2014) A New Class of ZeroInflated Logarithmic Series Distribution MS#01325 Journal of Iranian Statistical Society (JIRSS). , (Reviewer)
 (2014) Review paper Angle estimation using discrete orthogonal moments for automated visual inspection Manuscript Number: JEI4084L , (Reviewer)
 (2014) Review paper Independent Screening in High Dimensional Exponential Family Predictors' Space for Journal of Applied Statistics. , (Reviewer)
 (2014) Review paper Likelihood inference for cluster binary data without any information about the joint distributions Manuscript Number: LSTA20130388 , (Reviewer)
 (2014) Review of A generalized ConwayMaxwellPoisson distribution which includes the negative binomial distribution Manuscript Number: AMCD1301157 , (Reviewer)
 (2014) Review paper On the Distribution Theory of OverDispersion Manuscript Number: 1777965990122635, Journal of Statistical Distributions and Applications , (Reviewer)
 (2014) Review paper A new WeibullPareto distribution Manuscript Number: LSTA20130907 , (Reviewer)
 (2014) An alternative to the logarithmicwithzeros distribution and its generalization: Properties and estimation South Africa Journal of Statistics , (Reviewer)
 (2014) Review paper On some distributions arising from a generalized trivariate reduction schemeManuscript Number: STAMETD1400007, Statistical Methodology , (Reviewer)
 (2013) Properties of Lagrangian distributions Communications in Statistics Theory and Methods , (Reviewer)
 (2013) Projective Synchronization between Different Fractional Order Hyperchaotic Systems with Uncertain Parameters Using Proposed Modified Adaptive Projective Synchronization Technique Mathematical Methods in Applied Sciences , (Reviewer)
 (2013) Chaos control and function projective synchronization of fractional order systems through tracking control scheme Central European Journal of Physics, (Reviewer)
 (2013) 'Enhancing Accuracy of Geometric Moments through Interpolation in Moments space'IET Image Processing, (Reviewer)
 (2013) On recurrence relations for the GSdistribution of lower generalized order statistics Manuscript Number: 747980, International Journal of Stochastic Analysis , (Reviewer)
 (2013) CHAOS SYNCHRONIZATION IN FRACTIONAL ORDER SYSTEMS Candidate: Saurabh Kumar Agrawal Department of Applied Mathematics Indian Institute of Technology (Banaras Hindu University), Varanasi, India, 2013 , (External Examiner)
 (2013) Discretization of some continuous probability distributions and their applications, Candidate: Dhrubajyoti Chakravarty , (External Examiner)
 (2012) A Unified Methodology for Computing Accurate Quaternion Color Moments and Moment Invariants Journal of Mathematical Imaging and Vision , (Reviewer)
 (2012) PhD thesis: A new computational method for exact Zernike moments (EZM) and its use in the design of blur index for outoffocused images Candidate: Lim Chern Loon (KHA070029), (Internal Examiner)
 (2012) PhD thesis: A new discrete orthogonal polynomial system based on Tchebichef and Krawtchouk polynomials and it's applications to speech and image analysis Candidate: Wissam A. Jassim (KHA060038), (Internal Examiner)
 (2012) Title of paper: HOMOGENIZING STATISTICAL AND PRACTICAL SIGNIFICANCE: THE ISSUE OF STATISTICAL REPORTING STRATEGY Journal of Science and Technology (Pertanika), (Reviewer)
 (2012) A Modified Version of Logarithmic Series Distribution and Its Applications by C. SATHEESH KUMAR AND A. RIYAZ Manuscript Number: LSTA20120071 Communications in StatisticsTheory and Methods , (Reviewer)
 (2012) SizeBiased Distributions In The Generalized Beta Distribution Family Manuscript: EEST507, (Reviewer)
 (2012) PhD thesis "CLASSIFICATION AND ANALYSIS OF IMAGE CONTENT FOR THE FORMULATION OF IMAGE QUALITY METRIC USING ORTHOGONAL MOMENTS" Thung Kim Han (KHA070018, Faculty of Engineering, University of Malaya , (Internal Examiner)
 (2012) Title: Testing for Linear and Nonlinear Relationship in the StockBond Relationship: Malaysia Evidence Candidate: Ong Sheue Li Master of Science, School of Science and Technology, Universiti Malaysia Sabah , (External Examiner)
 (2012) CoEditor Sankhya Series B Indian Journal of Statistics , (Editor)
 (2011) Journal of Mathematical Imaging and Vision Manuscript Number: JMIV899 Title of paper:Geometric Moments and their Invariants , (Reviewer)
 (2011) Candidate: Chang Yun Fah (SHB050015) PhD Title of thesis: A statistical performance indicator in some image processing problems, (Internal Examiner)
 (2011) External examiner, School of Arts and Science, KTAR , (External Examiner)
 (2011) Journal of Statistical Planning and Inference Manuscript Number: JSPID1100703 Title: On the Mixed Poisson Distribution and its Application, (Reviewer)
 (2011) External examiner for Applied Statistics Program.Centre for Mathematical Sciences, Science University of Malaysia (USM)2011/12, (External Examiner)
 (2011) Environmental and Ecological Statistics Manuscript Number: EEST360 Title: An analysis of travel frequency using the ComPoisson Regression model  implications for environmentally sustainable transport, (Reviewer)
 (2011) Communications in Statistics Theory and Methods Manuscript Number: LSTA2011 0234 On generalized binomial and negative binomial distributions for dependent Bernoulli variables , (Reviewer)
 (2011) Mathematical and Computer Modelling Manuscript Number: MCMD1001323 Title: Human Mortality Curves that Decelerate to a Plateau, (Reviewer)
 (2011) Statistics and Probability Letters Manuscript Number: STAPROD1100615 Title: An extension for the twoparameters gamma distribution , (Reviewer)
 (2010) Statistics and Computing Manuscript Number: STCO770 Title: Masses of negative multinomial distributions: Application to polarimetric image processing, (Reviewer)
 (2010) Communications in Statistics Theory and Methods Manuscript ID: LSTA20100177 Discrete Gamma distributions: properties and parameter estimations, (Reviewer)
 (2010) Communications in Statistics Theory and Methods Manuscript ID: LSTA20100095 Title: Modeling Count Change By an Extended Binomial Distribution , (Reviewer)
 (2010) Journal of Statistical Planning and Inference Manuscript Number: JSPID1000102 Title: A generalization of the bivariate BetaBinomial distribution, (Reviewer)
 (2010) PH. D. THESIS Title: Recognition of Printed Assamese Characters using Orthogonal Moments Candidate: Sarat Saharia Tezpur University Napaam, Tezpur, 784028 Assam, India April 2010, (External Examiner)
 (2010) Journal: IET Image Processing Manuscript ID: IPR20100164 Recursive algorithm for fast computation of Krawtchouk moment and its inverse transform, (Reviewer)
 (2009) Pattern Recognition Manuscript Number: PRD0900348 Title: Exact Computation of ThreeDimensional Legendre Moment, (Reviewer)
 (2009) Associate Editor (Mathematical Sciences)Malaysian Journal of Science , (Editor)
 (2009) PH. D. THESIS Title: Some Problems of Outliers in Circular Data Candidate: Ali H.M. Abuzaid Institute of Mathematical Sciences Faculty of Science, University of Malaya August 2009. , (Internal Examiner)
 (2009) Journal: Communications in Statistics Theory and Methods Manuscript ID: LSTA20090248 Title: Tests for equality of inflation parameters of twoZero Inflated Power Series Distributions , (Reviewer)
 (2009) Statistics and Probability Letters Manuscript Number: STAPROD0900131 Title: The negative binomialtransformed gamma distributions , (Reviewer)
 (2009) Journal of Mathematical Imaging and Vision Manuscript Number: JMIV438 Title: Discrete Orthogonal Moments Using Two Variables Discrete Orthogonal Polynomials as Basis Functions , (Reviewer)
 (2008) M. Sc. Thesis Title: Statistical Method for Detection of Lung Diseases using Digital XRay Images Candidate: Ong Ee Ling , (Internal Examiner)
 (2008) PH. D. THESIS Title: Development and Analysis of Techniques to Predict Substance Concentration using Noninvasive Methods Candidate: Soh Chit Siang Faculty of Engineering University of Malaya October 2008. , (Internal Examiner)
 (2008) Computational Statistics and Data Analysis Manuscript Number: CSDAD0800529 Title: Bivariate Negative Binomial Regression Model with Different Dispersions, (Reviewer)
 (2008) Computational Statistics and Data Analysis Manuscript Number: CSDAD0800835 Title: Generating Inverse Gaussian Random Variates by Approximation, (Reviewer)
 (2007) Title: A Comparative Analysis of Orthogonal Moments for Face Recognition PhD thesis Candidate: Nor Aini binti Abd Jalil Faculty of Engineering University of Malaya May 2007 , (Internal Examiner)
 (2007) Title: Moment Based Feature Descriptors for Image Quality Variations and their Fast Computations PhD thesis Candidate: Wee Chong Yaw Faculty of Engineering University of Malaya March 2007 , (Internal Examiner)
 (2007) International Journal of Pattern Recognition and Artificial Intelligence Manuscript Number: IJPRAID0700159 Title: Fast Computation of Geometric Moments and Invariants Using Schlick's Approximation, (Reviewer)
 (2007) Journal: Communications in Statistics Theory and Methods Manuscript ID: LSTA20070020 Title: THE 3F2 WITH COMPLEX PARAMETERS AS GENERATING FUNCTION OF DISCRETE DISTRIBUTIONS , (Reviewer)
 (2006) International Statistics Conference, Statistics in the Technological Age Gupta, Ramesh and Ong, S. H.(2008)Preface,Communications in Statistics  Theory and Methods,37:11,1687 , (Editor)
 (2005) Consultant Statistician, Editorial Board Biomedical Imaging and Intervention Journal, (Editor)
 (2005) M. Eng Sc. THESIS Title: Data Compression of ECG Signals Using Orthogonal Moments Candidate: Kwan Ban Hoe Department of Electrical and Telecommunication Engineering Faculty of Engineering University of Malaya 2005, (Internal Examiner)
 (2004) PhD thesis Title: Classification with unbalanced training sample from correlated populations Candidate: Subhadip Bandyopadhyay Indian Statistical Institute, Kolkata 2004 , (External Examiner)
 (2003) PH. D. THESIS Title: The Formulation of a New Class of Continuous Orthogonal Moment Invariants, and the Analysis of their Computational Aspects Candidate: Chong Chee Way Faculty of Engineering University of Malaya June 2003, (Internal Examiner)
Contribution to external organisation
 (2016) International Scientific Committee, International Conference on Soft Computing in Data Science, UiTM
 (2015) Evaluation of Project Applications for Fundamental Research Grant Scheme Phase1/2015, Ministry of Education/ University of Malaya
 (2000) Mathematical construction of Yield Prediction Model, Intel Technology, Penang
 (2000) Problems in Accelerated Life Testing, Medical Latex (Dua), Senai, Johore
 (2000) Panel Member, Curriculum Restructuring for Mathematics Additional Mathematics, Curriculum Development Centre (Ministry of Education)
 (1999) Process capability study of some glue bonding machines , Siemens, Malacca
 (1994) Panel member, evaluation of STPM exam questions Setter of Statistics exam questions, Majlis Peperiksaan Malaysia (MPM)
SUPERVISION
Postgraduate Student
PhD/ Doctoral

(2016) STATISTICAL INFERENCE FOR COUNT REGRESSION MODELS, RANUSHA RAJAKRISHNAN

(2016) MODELLING OF DISPERSION AND STUDY OF RELATED PROBLEMS FOR TIME SERIES OF COUNTS WITH APPLICATIONS, FO KEE WAH

(2015) STATISTICAL ANALYSIS OF NETWORK DATA, MOSTAFA BEHZADI

(2014) Statistical inference and modeling for a class of stochastic and time series processes with applications, Samira Ehsani Farimani

(2014) Modelling Of Dispersion And Study Of Related Problems For Time Series Of Counts With Applications, Fo Kee Wah

(2013) Mathematical modelling of powder flow, Ainnur Marlyana (M0100401)

(2010) Bayesian Inference And Matching Priors For A Family Of Distributions, Dharini Pathmanathan

(2010) Analysis of Time Series of Counts, Khoo Wooi Chen

(2009) Statistical Modelling And Inference For Zero Inflation Under And Over Dispersion, Low Yeh Ching

(2008) PROBABILISTIC PROPERTIES AND STATISTICAL INFERENCE, Liew Kian Wah

(2006) Statistical Modelling and Inference for Class of Bivariate and Related Distributions, Ng Choung Min

(2006) A Distribution Arising from a Random Walk on the Plane, Sim Shin Zhu

(2005) Mixture Model Clustering for very Large Data Sets, Leong Siow Hoo

(2004) Statistical inference for a family of discrete distributions with cubic variance functions, Phang Yook Ngor

(2003) Statistical inference for discrete distributions under parameter orthogonality and model misspecification, Chua Kuan Chin

(2003) Formulation of invariants for discrete orthogonal moments and image classification, Pee Chih Yang

(1999) Computer Generation and Computation of Mixed Poisson and Related Distributions, Lee Wen Jau
Master

(2017) BREAST CANCER PREDICTIVE ANALYTICS USING DIGITAL MAMMOGRAMS, GOH JIA YIN

(2016) PARAMETER ESTIMATION USING GENERATING FUNCTION BASED MINIMUM POWER DIVERGENCE MEASURE, TAY SIEW YING

(2013) Count Distribution for NonExponential Duration Dependence, Parvin Dehghani (SGD120009)

(2011) Credit Scoring Models, Lee Lip Seong

(2011) Application of Survival Analysis in Behavioural Scoring for Financial Credit Analysis, Ho Sook May

(2010) Zeroinflated noncentral negative binomial models, Wong Shiau San

(2009) Analysis of Ultra High Frequency Financial Data, Chew Chun Hsien

(2006) CLASSIFICATION FOR TWO CORRELATED NORMAL POPULATIONS: A MONTE CARLO STUDY, Low Yeh Ching

(2005) Statistical Modelling and Analysis of Data Disclosure Risk, Sim Shin Zhu

(2005) Clustering by finite mixtures of generalized Poisson distributions, Ranusha Rajakrishnan

(2005) A Generalization of the Exponential Distribution, Lo Mee San

(2004) Statistical inference for the difference of two discrete random variables, Ng Choung Min

(2004) Cluster Analysis by a Finite Mixture Model of Skewed Normal Distributions, Ho Sook Yan

(2002) Partial Least Squares Regression and Application to the Analysis of GeneticEnvironment Interactions in Oil Palm, Gan Huang Huang

(2002) Maximum Likelihood Estimation of a Generalized Gamma Distribution, Chua Kuan Chin

(2002) A new generalization of the logarithmic distribution, Khang Tsung Fei

(1997) Statistical estimation for a class of contagious distributions, Phang Yook Ngor
Under Graduate Students
 (2009) SJES3492 Industrial Training
 (2008) SJES3491 Industrial Training
 (2007) SJES3491 Industrial Training
 (2005) SJES3488 Projek Sains Matematik
 (2003) SJES3488 Projek Sains Matematik
 (2000) SJES3491 Industrial Training
 (2000) SJES3489 Projek Sains Matematik
 (1998) SJES3491 Industrial Training
TEACHING
Master
 (2012) SJGM6151  Probability Theory
 (2012) SJGS6252  Applied Probability Theory
 (2009) SJGS6252  Applied Probability Theory
 (2007) SJGS6252  Applied Probability Theory
 (2006) SJGS6252  Applied Probability Theory
 (2005) SJGS6252  Applied Probability Theory
 (2004) SJGS6252  Applied Probability Theory
 (2004) SJGS6466  Life Data Analysis
 (2002) SJGS2466  Life Data Analysis
Bachelor
 (2012) SJES3453  Monte Carlo Simulation Method
 (2011) SJES3453  Monte Carlo Simulation Method
 (2010) SJES3453  Monte Carlo Simulation Method
 (2009) SJES3450  Applied Stochastic Processes
 (2009) SJES3453  Monte Carlo Simulation Method
 (2008) SJES3453  Monte Carlo Simulation Method
 (2007) SJES2450  Stochastic Processes
 (2007) SJES3453  Monte Carlo Simulation Method
 (2006) SJES2450  Stochastic Processes
 (2005) SJES2450  Stochastic Processes
 (2005) SJES3453  Monte Carlo Simulation Method
 (2005) SJES3453  Monte Carlo Simulation Method
 (2004) SJES3455  Further Mathematical Statistics
SOCIAL RESPONSIBILITY ACTIVITIES
 Member, Scientific Program Committee of The 2018 ImsAsia Pacific Rim Meeting in Singapore, (28 Sep 2016  30 Jun 2018)
 Advisor, Ism3 International Statistics Conference 2016, (09 Aug 2016  11 Aug 2016)
 CoOrdinator and Organiser,Big Data Analytics and Applications 25 October 2016, High Impact Research (Hir) Auditorium, University of Malaya, (01 Jul 2016  25 Oct 2016)
 Presentation On Current Trends of National Research in Physics, Mathematics and Earth Sciences, (13 Apr 2013  13 Apr 2013)
 Jawatankuasa Tatatertib Pelajar, (20 May 2011)
 Fellow, Academy of Science Malaysia, (24 Apr 2010)
 Rapporteur, National Science and Education Workshop, (02 Feb 2010  04 Feb 2010)