**Education and Work**

1998-now Associate Professor

1991-1998 Senior Lecturer

1986-1991 Lecturer

1985 PhD in Statistics, Iowa State University

1982 MSc in Statistics, Iowa State University

1980 BScEd (Honours), University of Malaya

**Areas of Research**

Statistical Process Control

Risk-Adjusted Monitoring of Surgical Performance

Biostatistics

#### Publications

- Knoth S, Wittenberg, P. and Gan, F. F. “Risk-Adjusted CUSUM Charts Under Model Error,”
*Statistics in Medicine.*2019. Vol. 38(12), pp. 2206-2218. (https://doi.org/10.1002/sim.8104). - Wittenberg, P., Gan, F. F. and Knoth, S. “A Simple Signaling Rule for Variable Life-adjusted Display Derived from an Equivalent Risk-Adjusted CUSUM Chart,”
*Statistics in Medicine.*2018. Vol. 37(16), pp. 2455-2473. (https://doi.org/10.1002/sim.7647). - Tang, X. and Gan, F. F. “Risk-adjusted Exponentially Weighted Moving Average Charting Procedure Based on Multi-responses,” 2018. Frontiers in Statistical Quality Control 12, pp. 113-131. Edited by Sven Knoth and Wolfgang Schmid. Berlin-Heidelberg, Germany: Springer Verlag. (Invited presentation).
- Gan, F. F., Tang, X., Zhu, Y. and Lim, P. W. “Monitoring the Quality of Cardiac Surgery Based on Three or More Surgical Outcomes Using a New Variable Life-adjusted Display,”
*International Journal for Quality in Health care.*2017. Vol. 29 (3), pp 427-432. - Tang Xu and Gan, F. F. “Comparing Performance of Surgeons Using Risk-adjusted Procedures,”
*Statistics in Medicine*. 2017. Vol. 36(16), pp 2601-2613. (DOI: 10.1002/sim.7310) - Gan, F. F. 2017. Cumulative Sum (CUSUM) Chart. Wiley StatsRef: Statistics Reference Online. 1–7. Update based on original article by Gan Fah Fatt, Wiley StatsRef: Statistics Reference Online ©2014 John Wiley & Sons, Ltd. Published Online: 15 MAY 2017 DOI: 10.1002/9781118445112.stat04042.pub2
- Tang Xu, Gan, F. F. and Zhang, L. “Risk-Adjusted Cumulative Sum Charting Procedure Based on Multi-Responses,”
*Journal of the American Statistical Association*. 2015. Vol.110 (509), pp 16-26. (DOI:10.1080/01621459.2014.960965) - Tang Xu, Gan, F. F. and Zhang, L. “Standardized Mortality Ratio for an Estimated Number of Deaths,”
*Journal of Applied Statistics*. 2015. Vol. 42 (6), pp 1348-1366. (DOI:10.1080/02664763.2014.999653) - Su, Y. J. , Gan, F. F, and Tang Xu. “Optimal Cumulative Sum Charting Procedures Based on Kernel Densities,” Frontiers in Statistical Quality Control 11, pp. 119-134. 2015. Edited by Sven Knoth and Wolfgang Schmid. Berlin-Heidelberg, Germany: Springer Verlag. (Invited presentation)
- Zhang, L., Gan, F. F. and Loke, C. K. “Phase I Study of Surgical Performances with Risk-Adjusted Shewhart Control Charts,”
*Quality Technology and Quantitative Management*. 2012. Vol. 9, no. 4, pp 375-382. - Loke, C. K. and Gan, F. F. “Joint Monitoring Scheme for Clinical Failures and Predisposed Risks,”
*Quality Technology and Quantitative Management*. Special Issue in Honour of Professor Shelemyahu Zacks. 2012. Vol. 9, no. 1, pp. 3-21. - Gan, F. F, Lin, L and Loke, C. K. “Risk-adjusted Cumulative Sum Charting Procedures,” Frontiers in Statistical Quality Control 10, pp. 207-225. 2012. Edited by H J Lenz, P Th Wilrich and W Schmid, Berlin-Heidelberg, Germany: Springer Verlag. (Invited presentation)
- Gan, F. F. and Tan, Tess. “Risk-Adjusted Number-Between Failures Charting Procedures for Monitoring a Patient Care Process for Acute Myocardial Infarctions,”
*Health Care Management Science*. 2010. Springer Netherlands, Vol. 13, no. 3, pp. 222-233. - Gan, F. F. “Cumulative Sum (CUSUM) Chart,”
*Encyclopedia of Statistics in Quality and Reliability*, UK. 2007. Chichester: John Wiley & Sons, pp. 466-470. - Chang, T. C. and Gan, F. F. “Modified Shewhart Charts for High Yield Processes,”
*Journal of Applied Statistics*, UK. 2007. Vol. 34, no. 7, pp. 857-877. - Chang, T. C. and Gan, F. F. “Monitoring Linearity of Measurement Gauges,”
*Journal of Statistical Computation and Simulation*, USA. 2006. Vol. 76, no. 10, pp. 889-911. - Sim, C. H., Gan, F. F. and Chang, T. C. “Outlier Labeling with Boxplot Procedures”,
*Journal of the American Statistical Association*, USA. 2005. Vol. 100, pp. 642-652. - Chang, T. C. and Gan, F. F. “Shewhart Charts for Monitoring the Variance Components”,
*Journal of Quality Technology*, USA. 2004. Vol. 36, no. 3, pp. 293-308. - Tan, W. D., Gan, F. F. and Chang, T. C. “Using Normal Quantile Plot to Select an Appropriate Transformation to Achieve Normality”,
*Computational Statistics and Data Analysis*, USA. 2004. Vol. 45, pp. 609-619. - Gan, F. F., Ting, K. W. and Chang, T. C. “Interval Charting Schemes for Joint Monitoring of Process Mean and Variance”,
*Quality and Reliability Engineering International*, USA. 2004. Vol. 20, pp. 291-303. - Wong, H. B., Gan, F. F. and Chang T. C. “Designs of Moving Average Control Chart,”
*Journal of Statistical Computation and Simulation*, USA. 2004. Vol. 74, pp. 47-62. - Kuralmani, V, Xie, M., Goh, T. N. Gan, F. F. “A conditional decision procedure for high yield processes,”
*IIE Transactions*, USA. 2002. Vol. 34, pp. 1021-1030. - Chang, T. C. and Gan, F. F. “Cumulative Sum Charts for High Yield Processes,”
*Statistica Sinica*, USA. 2001. Vol. 11, no. 3, pp. 791-805. - Chang, T. C. and Gan, F. F. “Detecting Over Rejection in Testing of Integrated Circuits”,
*Journal of Quality Technology*, USA. 2001. Vol. 33, no. 3, pp. 356-364. - Gan, F. F. and Chang, T. C. “Computing Average Run Lengths of Exponential EWMA Charts”,
*Journal of Quality Technology*, USA. 2000. Vol. 32, no. 2, pp. 183-185. - Gan, F. F. “Joint Monitoring of Process Mean and Variances Based on the Exponentially Weighted Moving Averages”,
*Statistical Process Monitoring and Optimization*, edited by Sung H. Park and G. Geoffrey Vining. STATISTICS: Textbooks and Monographs, Vol. 160, pp. 189-208. New York: Marcel Dekker Inc., 1999 (Invited contribution of a chapter). - Chang, T. C. and Gan, F. F. “Application of Xbar Control Chart with Modified Limits in Process Control”,
*Quality and Reliability Engineering International*, USA. 1999. Vol. 15, pp. 355-362. - Chang, T. C. and Gan, F. F. “Charting Techniques for Monitoring a Random Shock Process”,
*Quality and Reliability Engineering International*, USA. 1999. Vol. 15, pp. 295-301. - Gan, F. F. “Designs of One- and Two-Sided Exponential EWMA Charts”,
*Journal of Quality Technology*, USA. 1998. Vol. 30, no. 1, pp. 55-69. - Gan, F. F. “Joint Monitoring of Process Mean and Variance,”
*Nonlinear Analysis, Proceedings of the 2nd World Congress of Nonlinear Analysis*, USA. 1997. Vol. 30:7, pp. 4017-4024 (Invited paper). - Gan, F. F. “Average Run Lengths for Cumulative Sum Control Charts Under Linear Trend,”
*Applied Statistics*, UK. 1996. Vol. 45, no. 4, pp. 505-512. - Gan, F. F. “Joint Monitoring of Process Mean and Variance Using Exponentially Weighted Moving Average Control Charts,”
*Technometrics*, USA. 1995. Vol. 37, no. 4, pp. 446-453. - Gan, F. F. “Control Charts for Monitoring Process Variance,”
*International Conference on Statistical Methods and Statistical Computing for Quality and Productivity Improvement (ICSQP ’95),*1995. pp. 809-814. Seoul:ICSQP ’95 Scientific Program Committee and the Korean Statistical Society, August 1995. - Chang, T. C. and Gan, F. F. “Cumulative Sum Control Chart for Monitoring a Process Variance,”
*Journal of Quality Technology*, USA. 1995. Vol. 27, no. 2, pp. 109-119. - Gan, F. F. “An Optimal Design of Cumulative Sum Control Chart Based on Median Run Length,”
*Communications in Statistics – Simulation and Computation*, USA. 1994. Vol. 23, no. 2, pp. 485-503. - Chang, T. C. and Gan, F. F. “Optimal Designs of One-Sided EWMA Charts for Monitoring a Process Variance,”
*Journal of Statistical Computation and Simulation*, USA. 1994. Vol. 49, pp. 33-48. - Gan, F. F. “Design of Optimal Exponential CUSUM Control Charts,”
*Journal of Quality Technology*, USA. 1994. Vol. 26, pp. 109-124. - Gan, F. F. and Choi, K. P. “Computing Average Run Lengths for Exponential CUSUM Schemes,”
*Journal of Quality Technology*, USA. 1994. Vol. 26, pp. 134-143. - Gan, F. F. “Designs of Statistical Quality Control Charts,”
*American Statistical Association Proceedings of the Section on Quality and Productivity*, USA. 1993. pp. 11-15. - Gan, F. F. “An Optimal Design of CUSUM Control Charts for Binomial Counts,”
*Journal of Applied Statistics*, UK. 1993. Vol. 20, pp. 445-460. - Gan, F. F. “The Run Length Distribution of a CUSUM Control Chart,”
*Journal of Quality Technology*, USA. 1993. Vol. 25, pp. 205-215. - Gan, F. F. “Exponentially Weighted Moving Average Control Charts with Reflecting Boundaries,”
*Journal of Statistical Computation and Simulation*, USA. 1993. Vol. 46, pp. 45-67. - Gan, F. F. “An Optimal Design of EWMA Control Charts Based on Median Run Length,”
*Journal of Statistical Computation and Simulation*, USA. 1993. Vol. 45, pp. 169-184. - Gan, F. F. and Koehler, K. J. “A Goodness-of-Fit Test Based on P-P Probability Plots,”
*Journal of Quality Technology*, USA. 1992. Vol. 24, no. 2, pp. 96-102. - Gan, F. F. “CUSUM Control Chart Under Linear Drift,”
*The Statistician*, UK. 1992. Vol. 41, pp. 71-84. - Gan, F. F. “Exact Run Length Distributions for One-Sided Exponential CUSUM Schemes,”
*Statistica Sinica*, USA. 1992. Vol. 2, no. 1, pp. 297-312. - Gan, F. F. “Control Charts Under Linear Trend,” Computer Science and Statistics:
*Proceedings of the 23rd Symposium on the Interface*, USA. 1991. pp. 531-533. - Gan, F. F. “Computing Percentage Points of Run Length of an Exponentially weighted Moving Average Control Chart,”
*Computer Science and Statistics: Proceedings of the 22nd Symposium on the Interface*, USA. 1990. pp. 341-347. - Gan, F. F. “An Optimal Design of CUSUM Quality Control Charts,”
*Journal of Quality Technology*, USA. 1991. Vol. 23, no. 4, pp. 279-286. - Gan, F. F. “EWMA Control Chart Under Linear Drift,”
*Journal of Statistical Computation and Simulation*, USA. 1991. Vol. 38, pp. 181-200. - Gan, F. F., Koehler, Kenneth J. and Thompson, John C. “Probability Plots and Distribution Curves for Assessing the Fit of Probability Models,”
*The American Statistician*, USA. 1991. Vol. 45, no. 1, pp. 14-21. - Gan, F. F. “Computing the Percentage Points of the Run Length Distribution of an Exponentially Weighted Moving Average Control Chart,”
*Journal of Quality Technology*, USA. 1991. Vol. 23, no. 4, pp. 359-365. - Gan, F. F. “Review of Statistical Process Control in Automated Manufacturing – Edited by J. B. Keats and N. F. Hubele,”
*Journal of Official Statistics*, Sweden. 1990. Vol. 6, no. 4, pp. 462-464. - Koehler, Kenneth J. and Gan, F. F. “Chi-Squared Goodness-of-Fit Tests: Cell Selection and Power,”
*Communications in Statistics – Simulation and Computation*, USA. 1990. Vol. 19, no. 4, pp. 1265-1278. - Gan, F. F. “Monitoring Observations Generated From a Binomial Distribution Using Modified Exponentially Weighted Moving Average Control Chart,”
*Journal of Statistical Computation and Simulation*, USA. 1990. Vol. 37, pp. 45-60. - Gan, F. F. “Monitoring Poisson Observations Using Modified Exponentially Weighted Moving Average Control Charts,”
*Communications in Statistics – Simulation and Computation*, USA. 1990. Vol. 19, no. 1, pp. 103-124. - Gan, F. F. and Koehler, Kenneth J. “Goodness-of-fit Tests Based on P-P Probability Plots,”
*Technometrics*, USA. 1990. Vol. 32, no. 3, pp. 289-303. - Gan, F. F. “Combined Mean and Variance Control Charts,”
*Annual Technical Conference Transactions of the American Society for Quality Control*, USA. 1989. pp. 129-139. - Gan, F. F. “Combined Cumulative Sum and Shewhart Variance Charts,”
*Journal of Statistical Computation and Simulation*, USA. 1989. Vol. 32, pp. 149-163.

**PhD Students Supervised**

- Tang Xu (2014)
- Loke Chok Kang (2010)
- Chang Tee Chin (1999)

**Awards**

- 2017 30 Years Long Service Award, NUS.
- 2013 Long Service Medal, Awarded by the President of the Republic of Singapore.
- 2012 25 Years Long Service Award, NUS.
- 2007/2008 Faculty Teaching Excellence Award, Faculty of Science, NUS.
- 2007 20 Years Long Service Award, NUS.
- 2003/2005 Faculty Teaching Excellence Award – Honour Roll.
- 2003/2004 Excellent Teacher Award, NUS.
- 2003 Faculty Teaching Excellence Award, Faculty of Science, NUS.
- 2002 15 Years Long Service Award, NUS.
- 2002 Faculty Teaching Excellence Award, Faculty of Science, NUS.
- 2001/2002 University Excellent Teachers, NUS.
- 2001 Faculty Teaching Excellence Award, Faculty of Science, NUS.
- 2000 Meritorious Teaching Award, Faculty of Science, NUS.
- 1999 Meritorious Teaching Award, Faculty of Science, NUS.
- 1998 Meritorious Teaching Award, Faculty of Science, NUS.
- 1998 Teaching Excellence Award, National University of Singapore.
- 1997 10 Years Long Service Award, NUS.