Jennifer So-kuen Chan

Jennifer Chan Associate Professor in the School of Mathematics and Statistics at the University of Sydney.


Postal address: Dr Jennifer So-kuen Chan
School of Mathematics and Statistics F07
University of Sydney NSW 2006
Australia
Office: Room 817 Carslaw Building
Email: jchan@maths.usyd.edu.au jennifer.chan@sydney.edu.au
Phone: +61 2 9351 4873
FAX: +61 2 9351 4534


Research Interests

Generalized linear mixed models, Geometric process models, Likelihood and Bayesian methods, Drop-out models, Heavy tail and asymmetric distributions, Scale mixtures distributions, Loss reserving insurance models, Medical, finance and insurance applications.

I am a member of the Statistics group.


General Information

Jennifer Chan obtained her BSc Degree with a major in Mathematics and minor in Statistics in 1986 and Diploma in Education in 1990 from The Chinese University of Hong Kong (CUHK). She was also awarded the MPhil in 1992 from the CUHK. She did her PhD at The University of New South Wales, Sydney and was graduated in 1997. During 1996-2006, she lectured at the Department of Statistics and Actuarial Science in The University of Hong Kong. She joined the School of Mathematics and Statistics, The University of Sydney in 2006 and was promoted to Senior Lecturer in 2010 and will be promoted to Associate Professor in 2017.


External links

  • Google scholar
  • ResearchGate

  • Teaching

    Before 2017

  • MATH1015: Biostatistics, 2007, 2011-13
  • STAT2012: Statistical Tests, 2007-15
  • MSH6: Generalized Linear Models, 2009-13, 2015-16
  • STAT3014: Applied Statistics (Sample survey), 2008-9, 2015
  • STAT3012: Applied Linear Models, 2016
  • MSH3: Fundamentals of Statistical Consulting, 2016

    2017

  • MATH1015: Biostatistics
  • MSH3: Fundamentals of Statistical Consulting

    Awards

    1. The second prize (Third Contributor) of The Natural Science Award of the Ministry of Education, People Republic of China in 2008 based on her work in "Geometric Process" with the University of Hong Kong being the second completion institute.
    2. The National Drug Strategy (NDS) Research Scholarship from Commonwealth Department of Human Services and Health, Australia in 1994-1996.


    Honorary positions

    1. Research associate in the Actuarial Research Center of the University of Haifa, Israel from April 2016.
    2. Adjunct professor in the Institute of Statistical Mathematics, Tokyo, Japan from August 2016.


    Publications

      Book

    1. Chan, J., Marchev, D. and Peiris, S. (2013) MATH1015 Biostatistics , 2nd and 3rd edition. Cengage Learning.
    2. Report

    3. Bell, J., Ward, J., Mattick, R., Hay, A., Chan, J. and Hall, W. (1995) An Evaluation of Private Methadone Clinics. Canberra, Australia: Australian Government Publishing Service for the Department of Human Services and Health. ISSN 1324-8103
    4. Book chapters

    5. Yatigammana, R.P., Choy, S.T.B. and Chan, J.S.K. (2016) Autoregressive conditional duration model with an extended Weibull error distribution. Causal Inference in Econometrics, Volume 622 of the series Studies in Computational Intelligence, 83-107.
    6. Chan, J.S.K., Lam, C.P.Y. and Choy, S.T.B. (2014) An innovative financial time series model: the Geometric Process Model, Modeling Dependence in Econometrics, Advances in Intelligent Systems and Computing, 251, 81-99.

      Journal papers

      2017

    7. Phillip, A., Chan, J.S.K. and Peiris, M.S. (2017) A new look at Cryptocurrencies. To appear in Economics Letters.
    8. Chan, J.S.K., Makov, U. Landsman, Z. and Choy, S.T.B. (2007) Contaminated generalized beta distribution for loss reserving. To appear in ASTIN Bulletin.
    9. Ng, K.H., Peiris, S., Chan, J.S.K., Ng, K.H. and Allen, D. (2007) Efficient modelling and forecasting with range based volatility models and its application. To appear in North American Journal of Economics and Finance.
    10. Chan, J.S.K. and Wan, Wai-Yin (2017) Bayesian analysis of Cannabis offences using generalized Poisson geometric process model with flexible dispersion. To appear in Journal of Statistical Computation and Simulation.

      2016

    11. Choy, S.T.B., Chan, J.S.K. and Makov, U.E. (2016). Robust Bayesian analysis of loss reserves data using scale mixtures distributions. Journal of Applied Statistics, 43(3), 396-411.

      2015

    12. Dong, A.X.D., Chan, J.S.K. and Peters, G. (2015) Risk margin quantile function via parametric and non-parametric Bayesian quantile regression. Astin Bulletin, 45(3), 503-550.
    13. Chan, J.S.K. (2015) Bayesian informative dropout model for longitudinal binary data with random effects using conditional and joint modeling. Biometrical Journal, doi: 10.1002/bimj.201400064.
    14. Chan, J.S.K. (2015) Predicting loss reserves using quantile regression. Journal of Data Science, 13(1), 10.6339/JDS.2015.13(1).

      2014

    15. Chan, J.S.K. and Wan, W.Y. (2014) Multivariate generalized Poisson geometric process model with scale mixture of normal distributions. Journal of Multivariate Analysis, 127, 72-87.
    16. Chan, J.S.K., Wan, W.Y. and Yu, P.L.H. (2014) A Poisson Geometric Process approach for predicting drop-out and committed first time blood donors. Journal of Applied Statistics, 41(7), 1486-1503.
    17. Chan, J.S.K. (2014) Analysis of correlation structures using generalized estimating equation approach for longitudinal binary data. Journal of Data Science, 12, 293-305.

      2013

    18. Jones, C.G.A., Kemp, R.I. and Chan, J.S.K. (2013) The relationship between delay discounting, judicial supervision and substance use among adult drug court clients. Psychology, Public Policy, and Law, 19(4), 454-465.
    19. Dong, A.X.D and Chan, J.S.K. (2013) Bayesian robust analysis of loss reserving using generalized Beta distribution. Insurance, Mathematics and Economics, 53, 355-365.
    20. Chan, J.S.K., Lam, C.P.Y., and Choy, S.T.B. (2013) Modelling electricity market price spike using Bayesian conditional autoregressive geometric process model. Communications in Statistics: Theory and Methods. Special Issue: Advances in Probability and Statistics, 43(10-12), 2505-2515.
    21. Wang, J.J.J., Choy, S.T.B and Chan, J.S.K. (2013) Modelling stochastic volatility using generalised t distribution. Journal of Statistical Computation and Simulation, 83, 340-354.

      2012

    22. Chan, J.S.K., Lam, C.P.Y., Yu, P.L.H., Choy, S.T.B. and Chen, C.W.S. (2012) A Bayesian conditional autoregressive geometric process Model for range data. Computational Statistics and Data Analysis, Special Issue on Computational and Financial Econometrics, 56, 3006-3019.

      2011

    23. Chen, C.W.S., Chan, J.S.K., So, M.K.P and Lee, K.K.M. (2011) Classification in segmented regression problems. Computational Statistics and Data Analysis, 55, 2276-2287.
    24. Wang, J.J.J., Chan, J.S.K. and Choy, S.T.B. (2011) Stochastic volatility models with leverage and heavy-tailed distributions: A Bayesian approach using scale mixtures. Computational Statistics and Data Analysis, 55, 852-862.
    25. Chen, C.W.S., Chan, J.S.K., Gerlach, Richard and Hsieh, William Y.L. (2011) A comparison of estimators for regression models with change points. Statistics and Computing, 21, 395-414.
    26. Wan, W.Y. and Chan, J.S.K. (2011) Bayesian analysis of robust Poisson geometric process model using heavy-tailed distributions. Computational Statistics and Data Analysis, 55, 687-702.
    27. Chan, J.S.K. and Wan, W.Y. (2011) Bayesian approach to analysing longitudinal bivariate binary data with informative dropout. Computational Statistics, 26, 121-144.

      2010

    28. Chan, J.S.K. and Leung, D.Y.P. (2010) Binary geometric process model for the modeling of longitudinal binary data with trend. Computational Statistics, 25, 505-536.

      2009

    29. Chan, J.S.K., Leung, D.Y.P., Choy, S.T.B. and Wan, W.Y. (2009) Nonignorable dropout models for longitudinal binary data with random effects. Computational Statistics and Data Analysis, 53, 4530-4545.
    30. Wan, W.Y. and Chan, J.S.K. (2009) A new approach for handling longitudinal count data with zero inflation and overdispersion: Poisson geometric process model. Biometrical Journal, 51, 556-570.
    31. Choy, S.T.B., Chan, J.S.K., and Makov, U.E. (2009) Model selection for loss reserves. Risk, Life and Pensions, 5, 35-40.

      2008

    32. Chan, J.S.K. and Choy, S.T.B. (2008) Analysis of covariance structures in time series. Journal of Data Science, 6, 573-590.
    33. Chan, J.S.K., Choy, S.T.B. and Makov, U.E. (2008) Robust Bayesian analysis for loss reserves data using the generalized-T distribution. ASTIN Bulletin, 38, 207-230.
    34. Choy, S.T.B. and Chan, J.S.K. (2008) Scale mixtures distributions in statistical modelling. Australian and New Zealand Journal of Statistics, 50, 135-146.

      2007

    35. Yu, P.L.H., Chung, K.H., Lee, C.K., Lin, C.K. and Chan, J.S.K. (2007) Predicting potential drop-out and future commitment for first time donors based on first one and a half years donation patterns: the case in Hong Kong Chinese Donors. Vox Sanguinis, 93, 57-63.
    36. Chan, J.S.K. Choy, S.T.B. and Lee, A.B.W. (2007) Bayesian analysis of constant elasticity of variance models. Applied Stochastic Models in Business and Industry, 23, 83-96.

      2006

    37. Yu, P.L.H., Chan, J.S.K. and Fung, W.K. (2006) Statistical Exploration from SARS. The American Statistician, 60, 81-91.
    38. Chan, J.S.K. , Yu, P.L.H., Lam, Y. and Ho, A.P.K. (2006) Modeling SARS data using threshold Geometric Process. Statistics in Medicine , 25 , 1826-1839.

      1995-2005

    39. Chan, J.S.K. , Kuk, A.Y.C. and Yam, H.K. (2005) Monte Carlo Approximation through Gibbs output in Generalized linear mixed models. Journal of Multivariate Analysis, 94 , 300-312.
    40. Lam, Y., Zhu, L.X. and Chan, J.S.K. (2004) Data analysis for a series of events by the geometric process model. Acta Mathematicae Applicatae Sinica, English series, 20 , 263-282.
    41. Chan, J.S.K. , Yeh, L and Leung, D.Y.P. (2004) Statistical inference for geometric processes with Gamma distributions. Computational Statistics and Data Analysis, 47 , 565-581.
    42. Choy, B.S.T., Chan, J.S.K. and Yam, H.K. (2002) Robust analysis on salamander data, Generalized Linear model with random effects. Bayesian Statistics 7, 477-484. Oxford, UK: Oxford University Press.
    43. Kuk, A.Y.C. and Chan, J.S.K. (2001) Three ways of implementing the EM algorithm when parameters are not identificiable. Biometrical Journal 43, No.2, 207-218.
    44. Chan, J.S.K. (2000) Initial stage problem in autoregressive binary regression. The Statistician 49, 495-502.
    45. Yeh, L. and Chan, S.K. (1998) Statistical inference for geometric processes with lognormal distribution. Computing Statistics and Data Analysis 27, 99-112.
    46. Chan, J.S.K., Kuk, A.Y.C., Bell, J. and McGilchrist, C. (1998). The analysis of methadone clinic data using marginal and conditional logistic models with mixture or random effects, The Australian and New Zealand Journal of Statistics 40, 1-10.
    47. Bell, J., Mattick, R.P., Hay, A., Chan, J. and Hall, W., (1997) Methadone maintenance and drug-related crime, Journal of Substance Abuse 9, 15-25.
    48. Chan, J.S.K., Kuk, A.Y.C. and Bell, J., (1997) A Likelihood approach to analysing longitudinal bivariate binary data. Biometrical Journal. 39, No.4, 409-421.
    49. Chan, J.S.K. and Kuk, A.Y.C., (1997) Maximum likelihood estimation for probit-linear mixed models with correlated random effects. Biometrics 53, 86-97.
    50. Bell, J., Chan, J. and Kuk, A., (1995) Investigating the influence of treatment philosophy on outcome of methadone maintenance. Addiction 90, 823-830.

      Conference proceedings

    51. Chan, J.S.K., Lam, C., Chen, C. and Choy, S.T.B. (2008) Threshold geometric process model for financial time series, Joint Meeting of 4th World Conference of the IASC and 6th Conference of the Asian Regional Section of the IASC on Computational Statistics & Data Analysis, Yokohama, Japan, 8th December 2008.
    52. Choy, S.T.B. and Chan, J.S.K. (2008) Bayesian analysis of stochastic volatility using the generalized-t distribution, Joint Meeting of 4th World Conference of the IASC and 6th Conference of the Asian Regional Section of the IASC on Computational Statistics & Data Analysis, Yokohama, Japan, 8th December 2008.
    53. Choy, S.T.B., Chan, J.S.K. and Yam, H.K. (2003) Robust analysis of salamander data, Generalized Linear model with random effects. Bayesian Statistics, 7, 477-484. Oxford, UK: Oxford University Press.

      Papers submitted

    54. Chan, J.S.K., Choy, S.T.B and Walker, S. A new method to estimate the shape parameter of a distribution.
    55. Nitithumbundit, T. and Chan, J.S.K. An ECM algorithm for Skewed Multivariate Variance Gamma Distribution in Mean-Variance Representation.
    56. Nitithumbundit, T. and Chan, J.S.K. Maximum leave-one-out likelihood estimation for location parameter of unbounded densities.
    57. Phillip, A., Chan, J.S.K. and Peiris, M.S. Bayesian estimation of Gegenbauer long memory processes with stochastic volatility: methods and application.
    58. Chan, J.S.K., Nitithumbundit, T., Ng, K.H. and Peiris, M.S. Estimating financial risk using parametric quantile regression: An application to CARR models.
    59. Wang, J.J.J. and Chan, J.S.K. Stochastic Modelling of Volatility and Inter-relationships in the Australian Electricity Markets.
    60. Yatigammana, R.P., Chan, J.S.K. and Gerlach, R.H. Modelling the conditional distribution of durations via Mixture distributions.
    61. Yan, H. Chan, J.S.K. and Peters, G.W. Long memory models for financial time series of counts.
    62. Tan, S.K., Ng, K.H., Chan, J.S.K. and Ibrahim, M. Quantile Range-based Volatility Measure for Modelling and Forecasting Volatility Using High Frequency Data.
    63. Chan, J.S.K., Ragell, R. and Ng, K.H. Bayesian return forecasts using realised range and asymmetric CARR model with various distribution assumptions.


    Research and teaching grants

      2006-now

      BKP Special, UM BKS032_2017: Extension of realized volatility models to long memory: I have on-going research collaboration and cosupervision with Dr KH Ng, University of Malaya. We have successfully applied for two grants: I. UM BKS032_2017: Forecasting of financial colatility: The role of realised range-based measures augmented with its asymmetry and distribution assumptions. for RM 18000 with duration 01/04/2017 to 31/03/2018.
    1. The Individual Grant Competition from the Casualty Actuarial Society and the Society of Actuaries in 2016 on the topic Enhanced Predictive Modeling for Usage-Based Auto Insurance with Prof Makov and was granted US$14000.
    2. HDR+ Staff Grants (2015-2016), the University of Sydney (AU$9645.10) on the topic Enhancing research experience of HDR students through on-line resources and connections on the topic on the topic Enhancing research experience of HDR students through on-line resources and connections with principal investigator Dr. J.S.K. Chan and co-investigators Prof. Jean Yang and Prof. Richard Gerlach.
    3. Mid-Career Researcher Support Program (2014-2015), Post-sabbatical Support Scheme (AU$3600) by the Science Faculty, the University of Sydney on the topic Extensions of conditional autoregressive range models for market price volatility.
    4. Taiwan Exchange Program-Scientific Visits to Taiwan Program (2010-2011) by the Australian Academy of Science, Department of Innovation Industry, Science and Research (AU$7600) on the topic Accurate Volatility Estimation in Financial Time Series Models with principal investigator Dr. J.S.K. Chan.
    5. Geran Penyelidikan Universiti (UMRG)-AFR (Frontier Science) (No: RG260-13AFR) (2013-2016) (UM$62,700) on the topic On estimation and statistical inference for volatility models in finance with principal investigator Dr Kok Haur Ng and co-investigators Dr. Swee Leng Au, A/Prof Shelton Peiris, Dr Kooi Huat Ng and Dr. J.S.K. Chan.

      1996-2005

    6. University Research Committee (2004-2006), The University of Hong Kong (HK$30,000) (Earmarked Research Grant application support) on the topic New Methodologies for Loss Reserves and Other Aspects in Insurance Industry with principal investigator Dr. J.S.K. Chan and co-investigator Dr. S.T.B. Choy and Prof. U.E. Makov.
    7. Committee on Research and Conference Grants (2004-2005), The University of Hong Kong (HK$41,500) on the topic Modelling of SARS data using threshold Geometric Process models with principal investigator Dr. J.S.K. Chan and co-investigator Prof. Yeh Lam.
    8. University Research Committee (2003-2004), The University of Hong Kong (HK$15,000) (Earmarked Research Grant application support) on the topic Generalized Geometric Process with Applications with principal investigator Dr. J.S.K. Chan and co-investigator Prof. Y. Lam.
    9. Seed Funding for Basic Research (2002-2003), The University of Hong Kong (HK$50,000) on the topic Likelihood and Bayesian analysis of stochastic volatility, jump diffusion and other financial models using scale mixtures distribution with principal investigator Dr. J.S.K. Chan and co-investigator Dr. B.S.T. Choy.
    10. Committee on Research and Conference Grants (2000-2002), The University of Hong Kong (HK$90,000) on the topic Extension of informative drop-out models to handle multiple responses and random effects in longitudinal binary data analysis with principal investigator Dr. J.S.K. Chan and co-investigator Dr. D.Y.P. Leung.
    11. Social Science Faculty Research Fund (2000-2001), The University of Hong Kong (HK$10,000) on the topic Modelling trended binary response with geometric process with principal investigator Dr. J.S.K. Chan.
    12. Competitive Earmarked Research Grant (1999-2002), Research Grants Council, Hong Kong (HK$435,000) on the topic Analysis of generalized linear mixed models with applications with principal investigator Dr. S.T.B. Choy and co-investigators Dr. J.S.K. Chan, Prof. A.Y.C. Kuk and Prof. S.G. Walker.
    13. Competitive Earmarked Research Grant (1998-1999), Research Grants Council, Hong Kong (HK$120,000) on the topic Analysis of generalized linear mixed models with applications with principal investigator Dr. S.T.B. Choy and co-investigators Dr. J.S.K. Chan, Prof. A.Y.C. Kuk and Prof. S.G. Walker.
    14. Committee on Research and Conference Grants (1998-2000), The University of Hong Kong (HK$66,693) on the topic Modelling informative drop-out in longitudinal binary data analysis with principal investigator Dr. J.S.K. Chan.
    15. Committee on Research and Conference Grants (1996-1997), The University of Hong Kong (HK$66,693) on the topic Robust analysis of Regression models for correlated binary data with principal investigator Dr. S.T.B. Choy and co-investigator Dr. J.S.K. Chan.


    Postgraduate supervision

      Current

    1. Hongxuan Yan in full time PhD (2015-now) on the topic Financial time series count models for trading strategies with research supervisor Dr. J.S.K. Chan and associate supervisor Dr. G. Peters (UCL).
    2. Shay Kee Tan in full time PhD (2015-now) on the topic Realized volatility financial time series models with research supervisor Dr. Kok Haur Ng (University of Malaya) and associate supervisor Dr. J.S.K. Chan.
    3. Andrew Phillip in full time PhD (2014-now) on the topic Long memory financial time series models with stochastic volatility with research supervisor Dr. J.S.K. Chan and associate supervisor A/Prof S. Peiris and Dr J.J.J. Wang (UTS).
    4. Thanakorn Nitithumbundit in full time PhD (2013-now) on the topic Inference and applications for Variance Gamma distribution in scales mixtures representation with research supervisor Dr. J.S.K. Chan and associate supervisor Dr. B. Choy (DBA, USyd).

      Graduated in 2006-2016

    5. Dr Rasika Pushpamali Yatigammana in full time PhD (2011-2016) on the topic Advancement of Autoregressive Conditional Duration Models involving Liquidity and Price Dynamics with research supervisor Prof. Richard Gerlach (DBA, USyd) and associate supervisors A/Prof. Shelton Peiris, Dr. J.S.K. Chan and Dr. B. Choy (DBA, USyd).
    6. Dr Alice Xiaodan Dong in part time PhD (2007-2015) on the topic Bayesian Analysis of Reserving Models and Applications with research supervisor Dr. J.S.K. Chan and associate supervisor Dr. G. Peters (UCL).
    7. Dr Joanna Jia Jia Wang in full time PhD (2008-2012) on the topic Bayesian Analysis of Stochastic Volatility Models: Modelling and Applications with research supervisor Dr. J.S.K. Chan and associate supervisor: Dr. Boris Choy.
    8. Dr Wai Yin Wan in full time PhD (2007-2010) on the topic Extension pf Poisson Geometric Process Model with Applicaitons with research supervisor Dr. J.S.K. Chan and associate supervisor: Dr. Boris Choy.
    9. Ms Connie Pui Yu Lam in Part-time MSc (2007-2011) on the topic Geometric Process models for financial time series with research supervisor Dr. J.S.K. Chan and associate supervisor Prof. Neville Weber.

      Graducated in 1996-2005

    10. Ms Wan Wai Yin (2004-2006) in full time MPhil on the topic Analysis of Poisson count data using geometric process model.
    11. Mr Pak Kei Alvin Ho (2003-2005) in full time MPhil on the topic Parametric and nonparametric inference for Geometric Process.
    12. Ms Ka Ki Vicki Chau (2001-2003) in full time MPhil on the topic Informative Drop-out models for longitudinal Binary Data.
    13. Ms Ho Kam Carrie Yam (2000-2002) in full time MPhil on the topic On a topic of generalized linear mixed models and stochastic volatility model co-supervised with main supervisor Dr. S.T.B. Choy.


    Honours supervision

    1. Ms Rachel Ragell (2015) on the topic Return-based models using the Realized Range fitted to the Conditional Autoregressive Range model.
    2. Mr Hongxuan Yan (2014) on the topic Inference methodology of bilinear time series model.
    3. Mr Thanakorn Nitithumbundit (2012) on the topic Multivariate stochastic volatility models.
    4. Ms Frances Algert (2012) on the topic Informative missing models for longitudinal count data.
    5. Mr Martin Nguyen (2011) on the topic Ordered response models.


    Presentations

      Fully sponsored workshop

    1. The workshop of Institute of Statistical Mathematics-University College London Spatial and Temporal Modelling (STM2016) from July 20-23, 2016 at the Institute of Statistical Mathematics (ISM), Tokyo, Japan on the topic Finanical risk and quantile models invited by Professor Tomoko Matsui and Dr Gareth Peters.
    2. International Workshop on Statistical Computing in Quantitative Finance and Biostatistics: A Satellite Meeting for the 7th IASC-ARS Conference, Feng Chia University, 20-21 December, 2011 on the topic Stochastic Modelling of Volatility and Inter-relationships in the Australian Electricity Markets funded by National Science Council, Taiwan.

      Invited conference

    3. The 1st International Conference on Econometrics and Statistics (EcoSta 2017), The Hong Kong University of Science and Technology, June 15-17, 2017, invited by A/Prof Samuel Muller on the topic Modelling the conditional distribution of durations via mixture distributions.
    4. The 4th Institute of Mathematical Statistics, Asia Pacific Rim Meeting, The Chinese University of Hong Kong, June 27-30, 2016, invited by A/Prof Samuel Muller on the topic Bayesian Gegenbauer long memory financial time series models.
    5. International Conference on Statistics and Probability 2015 (IMS-China), China Kuming, July 1-4, 2015 on the topic Quantile regression for conditional autoregressive range model invited by A/Prof Qiying Wang.
    6. International Statistics Conference 2011, 28-30 Dec, Waters Edge, Battaramulla, Sri Lanka on the topic Stochastic Modelling of Volatility and Inter-relationships in the Australian Electricity Markets invited talk by A/Prof Shelton Peiris.
    7. Joint Meeting of the 4th World Conference of International Association for Statistical Computing (IASC2008) and the 6th Conference of the Asian Regional Section of the IASC on Computational Statistics and Data Analysis, December 5-8, 2008 in Pacifico Yokohama, Japan on the topic Threshold Geometric Process Model for Financial Time Series invited by A/Prof. Philip Yu, HKU.

      Contributed conference

    8. The Australian Statistical Conference in conjunction with the Institute of Mathematical Statistics Annual Meeting 2014, 7-10 July 2014 Australian Technology Park, Sydney on the topic Multivariate generalized Poisson geometric process model with scale mixtures of normal distributions.
    9. The 7th International Conference of the Thailand Econometric Society (Tes 2014), 8-10 Jan, 2014 at the Faculty of Economics, Chiang Mai University, Thailand on the topic An Innovative Financial Time Series Model: A Threshold Conditional Autoregressive Geometric Process Jump Model.
    10. The 9th ICSA International Conference: Challenges of Statistical Methods for Interdisciplinary Research and Big Data, 20-23 December, 2013, at Hong Kong Baptist University on the topic Bayesian Approach to Analysing Longitudinal Bivariate Binary Data with Informative Dropout.
    11. The 5th International Conference of the Thailand Econometric Society (Tes 2012), 12-13 Jan, 2012 at the Faculty of Economics, Chiang Mai University, Thailand on the topic An Innovative Financial Time Series Model: The Geometric Process Model.
    12. The 9th Valencia International Meeting on Bayesian Statistics 2010, World Meeting of the International Society for Bayesian Analysis, Benidorm (Alicante, Spain), June 3-8, 2010 on the topic Bayesian approach to analysing longitudinal bivariate binary data with informative dropout.
    13. The 3rd International Conference on Computational and Financial Econometrics (CFE 09), held in Limassol, Cyprus, October 29-31, 2009 on the topic Extension of Geometric Process Models to Conditional Autogregressive Range Data.
    14. The 11th International Congress on Insurance: Mathematics and Economics, Piraeus, Greece on July 10-12, 2007, on the topic Model selection for loss reserves: the Growing Triangle technique.
    15. The ASC 2004 Australian Statistical Conference, Cairns, Australia on July 11-16, 2004 on the topic Modeling SARS data using threshold Geometric Process models.
    16. The 7th Valencia International Meeting on Bayesian Statistics, Tenerife (Canary Islands), Spain held on June 1-6, 2002 and organized by International Society for Bayesian Analysis on the topic Bayesian analysis of informative drop-out models.
    17. The 15th Australian Statistical Conference 3-7, July, 2000, Adelaide, Australia on the topic Modeling informative drop-out in longitudinal binary data analysis.
    18. The 14th Biennial Conference, Statistical Society of Australia, 6-10, July, 1998, Gold Coast, Australia on the topic Initial time problem in autoregressive binary.
    19. The 1997 International Symposium on Contemporary Multivariate Analysis and its Applications, Hong Kong, May 19-22, 1997 on the topic A Likelihood approach to analysing longitudinal bivariate binary data.
    20. Biometrics 95, Coolangatta, Australia, Sept, 1995 on the topic The analysis of methadone clinic data using marginal and conditional logistic models with mixture or random effects.

      Seminar

    21. Institute of Innovation for Future Society, Nagoya University, July 28, 2016 on the topic Usage Based Auto Insurance: from data to model.
    22. Department of Statistics, The University of Sydney, March 13, 2015 on the topic Quantile regression for conditional autoregressive range model.
    23. Graduate Institute of Statistics and Actuarial Science, Feng Chia University, Taiwan, 9 April, 2010 on the topic Geometric process model for financial Time Series.
    24. Graduate Institute of Finance, Ling Tung University, Taiwan, 14 April, 2010 on the topic Geometric process model for financial time series.
    25. School of Mathematics and Statistics, the University of New South Wales, Oct 17, 2008, on the topic Stochastic volatility models with heavy-tailed distributions invited by Prof. Spiridon Penev.
    26. School of Mathematics and Applied Statistics, the University of Wollongong, May 27, 2008, on the topic Geometric process models for series of events invited by Prof. Matt Wand.
    27. The Kirby Institute for infection and immunity in society, Medicine, The University of New South Wales in Nov 27, 2008, on the topic Poisson geometric process model for time series count data with overdispersion and zero inflation invited by A/Prof. Handan Wand.
    28. Department of Statistics, The Chinese University of Hong Kong, Nov 11, 1997 on the topic Generalized linear mixed models with applications in medical survey.

      Workshop

    29. Sydney Summer Statistics Workshop, University of Technology, Sydney, Feb 2, 2007 on the topic Geometric Process Models for Series of Events.


    Academic Visits

    1. Dr Gareth Peters at University College, London, UK for 3 weeks in May, 2014 on the topic A new model for the entire quantile functions by combining a median model with a symmetric or asymmetric half-range model.
    2. Dr. Kok Haur Ng at The University of Malaya, Malaysia for 3 weeks in April, 2014 on the topic Parametric quantile regression for conditional autogregressive range model.
    3. A/Prof. Badescu, Andrei L. at the Department of Statistical Science, University of Toronto, Canada 2012 to explore collaborative research in modelling longitudinal data using heavy-tailed distribution in scale mixtures representation.
    4. Prof. Cathy WS Chen at Department of Statistics/Graduate Institute of Statistics & Actuarial Science, Feng Chai University, Taiwan during Apr 5-23, 2010 under Scientific Visit to Taiwan program on the topic Accurate Volatility Estimation in Financial Time Series Models.
    5. Prof. Zhou Zhou at the Department of Statistics, University of Toronto, Canada 2010 to explore collaborative research in Bayesian approach with applications in health science.
    6. Many visits to A/Prof. Philip Yu at the Department of Statistics and Actuarial Science, The University of Hong Kong on financial time series models.


    School administration

    Program director (2015-semester 1, 2017), second year coordinator, second year board of examiners (2016-semester 1, 2017). Members of research, management and academic program committees (2015-now).


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