FACULTY of ARTS AND SCIENCESDEPARTMENT OF STATISTICS


AYŞEN DENER AKKAYA

Picture of the person
Prof. AYŞEN DENER AKKAYA
Room No: 
137
Telephone: 
+90 (312) 210-5329
Fax No: 
+90 (312) 210-2959
E-mail: 
akkay@metu.edu.tr
Education: 
  • Ph.D. Statistics Middle East Technical University, 1995
  • M.Sc. Statistics Middle East Technical University, 1987
  • B.Sc. Statistics Middle East Technical University, 1985
 
Academic and Professional Experience:

  • Professor, Department of Statistics, Middle East Technical University (2008- )
  • Associate Professor, Department of Statistics, Middle East Technical University (2002-2007)
  • Assistant Professor, Department of  Statistics, Middle East Technical University (1998-2002)
  • Visiting Fellow, Department of  Civil Engineering and Operations Research, Princeton University, USA (1997-1998)
  • Instructor, Department of  Statistics, Middle EastTechnicalUniversity (1992-1998)
  • Research Assistant, Department of  Statistics, Middle EastTechnicalUniversity (1985- 1992)  
Research Interests: 
  • Random functions and applications
  • Time series analysis
  • Stochastic processes
  • Risk and decision analysis
  • Stochastic modeling in earthquake engineering
  • Seismic hazard analysis and earthquake insurance
  • Reliability
  • Robust inference
  • Autoregression
Selected Publications: 

Books


  • Tiku, M. L. and Akkaya, A. D. Robust Estimation and Hypothesis Testing. New Age International Publishers (P):New Delhi, 2004.


Chapter in Book


  • Yücemen, M. S. and Akkaya, A. D., “A Comparative Study of Stochastic Models for Seismic    Hazard Estimation”, Land-Based and Marine Hazards: Scientific and  Management Issues, Series on Advances in Natural and Technological Hazards Research, ed. M. I. El-Sabh, S. Venkatesh, H. Denis ve T. S. Murty, 5-24, Kluwer Academic Publishers, The Netherlands, 1995.
  • Akkaya, A. D. and VanMarcke, E., “Estimation of Spatial Correlation of Soil Parameters Based on Data from theTexasA&MUniversityNGES”, Probabilistic Site Characterization at the National Geotechnical Experimentation Sites,  ASCE Geotechnical Special Publication, ed. E. H., VanMarcke and G. A. Fenton, No. 121, pp. 29-40,New York, 2003.  


Articles


  • Akkaya, A. D., Balcı, S., and Ülgen B. E., “Modified Maximum Likelihood Estimators Using Ranked Set Sampling”, Journal of Computational and Applied  Mathematics, 238,171-179 (2013)
  • Şahinoğlu, M, Akkaya A. D. and Ang, D.,” Can We Assess and Monitor Privacy and Security Risk for Social Networks”, Procedia Social and Behavioral Sciences,  57, 163-169 (2012).
  • Akkaya, A. D., and Yucemen, M. S., “ Robust  Estimation of Magnitude-Frequency  Relationship Parameters”, Structural Safety, 38, 32-39 (2012).
  • Tiku, M. L. and Akkaya, A. D., “Random Design in Regression Models” (invited paper). JISAS. 64(2) 157-170 (2010).
  • Akkaya, A. D. and Bayrak Ö. T., “Estimating Parameters of a Multiple Autoregressive Model by  the Modified Maximum  Likelihood Method ”. Journal of Computational and Applied Mathematics , 233,1763-1772 (2010).
  • Tiku, M. L. and Akkaya, A. D., “Estimation in Multifactor Polynomial Regression under Non-normality”  (invited paper). Pak. J. Statistics, 25(4) (2010).
  • Akkaya, A. D. ve Tiku, M. L.,  “Estimating Parameters in Autoregressive Models with Asymmetric Innovations”. Statistics and Probability Letters, 5-6 (2008).
  • Akkaya, A. D. ve Tiku, M. L.,  “ Short-tailed Distributions and Inliers”. Test, 17, 282-296 (2008).
  • Akkaya, A. D. ve Tiku, M. L.,  “Autoregressive Models with Short-tailed Symmetric Distributions”. Statistics, 42, 3, 207-221 (2008).
  • Akkaya, A. D. ve Tiku, M. L.,  “Robust Estimation in Multiple Linear Regression Model with Non-Gaussian Noise”. Automatica,44, 407-417  (2008).