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Education:
- Ph.D.: Department of Statistics, North Carolina State University, USA, 2002, thesis in Unit Root Testing in Stochastic Volatility Models (developed a method to test the volatility in financial series such as stock returns)
- M.S.: Department of Statistics, North Carolina State University, USA, 1999, with minor degree in Computational Engineering
- B.S.: Department of Statistics, Middle East Technical University, Türkiye, 1995, with minor courses from Computer Engineering
Academic and Professional Experience:
- 2022 - Present Professor of Statistics
- 2014 - 2022 Associate Professor of Statistics
- 2009- 2014 Assistant Professor of Statistics, METU
- 2007- 2009 Instructor, Department of Statistics, METU
- 2002-2007 Cancer data scientist, IMS Inc. for the National Cancer Institute, USA
Administrative Experience:
- 2024-present, Administrative Board Member, Ecosystem Implementation and Research Center METU
- 2015-2019 Assistant to Head, Department of Statistics
- 2014-2017 Assistant to Manager, Center for Wind Energy Researh, METU
- 2012-2014 Assist. Prof. Representative Elect, Faculty Board, Faculty of Arts and Sciences
Research Focus:
My focus is developing state of the art statistical methodology that are used to understand the dynamics of environmental phenomena and health variables, in particular. The statistical models and inferential methods I develop are general in their applications and mostly Bayesian in their philosophy. Some examples of their specific uses are joint modeling of dependent spatially and temporally dynamic atmoshperic/environmental/molecular variables, modeling continuous physical phenomena depending on time-dependent evolutions of other related variables, predicting the directions of spatially dynamic phenomena (such as wind direction and movement of migratory birds).
Teaching:
I am experienced in teaching foundation of statistical theory, particularly mathematical statistics, statistical inference and Bayesian theory
Selected Publications:
- Ciftci, S. and Kalaylioglu, Z. (2024), A Bayesian hybrid method for the analysis of generalized linear models with Missing-Not-At-Random Covariates, Journal of Statistical Computation and Simulation, in press
- Camli, O. , Kalaylioglu, Z., and SenGupta (2022), Variable selection in linear-circular regression models, Journal of Applied Statistics, 50(16), 3337-3361
- Kalaylioglu, Z. (2021), Analysis of correlated circular and extremal data with a novel flexible cylindrical distribution, Environmental and Ecological Statistics, https://doi.org/10.1007/s10651-021-00515-2
- Camli, O. and Kalaylioglu, Z. (2021), Bayesian predictive model selection in circular random effects models with applications in ecological and environmental studies, Environmental and Ecological Statistics, 28, 21-34
- Hassanzadeh, F. and Kalaylioglu, Z. (2018), A new multimodal and asymmetric bivariate circular distribution, Environmental and Ecological Statistics, 25(3), 363-385
- Tanju, O. and Kalaylioglu, Z. (2018), A cluster based model selection approach for logistic regression classifier, Journal of Statistical Computation and Simulation, 88(7), 1394-1414
- Kalaylioglu, Z. and Demirhan, H., (2017), A joint Bayesian approach for the analysis of response measured at a primary endpoint and longitudinal measurements, Statistical Methods in Medical Research, 26(6), 2885–2896
- Karagulle, S. and Kalaylioglu, Z. (2016), A test for detecting etiologic heterogeneity in epidemiological studies, Journal of Applied Statistics, 43(3), 538-549
- Demirhan, H. and Kalaylioglu, Z. (2015), Joint prior distributions for variance parameters in normal hierarchical models, Journal of Multivariate Analysis, 135, 163-174
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Kalaylioglu, Z. (2014), Performances of Bayesian model selection criteria for generalised linear models with nonignorably missing covariates, Journal of Statistical Computation and Simulation, 84(8),1670-1691
Certified trainings
- Hatha Yoga teacher (International Yoga Alliance)
- Farming (olive and vineyard) (Türkiye Tarım Bakanlığı)
- Amateur sailor (licensed both in USA and Türkiye) and wireless operator
- First aid
- Patient and elderly care (Sakarya Üniversitesi and Anadolu Üniversitesi)
Recent non-certified trainings
- Permaculture (Oregon State University)
- Whole Farm Sustainable Pest Management (Wild Farm Alliance)
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