Thesis

  • Dag, O. (2015). GMDH-Type Neural Network Algorithms for Short Term Forecasting. M.S. Thesis. Under the Supervision of Ceylan Yozgatligil.
  • Articles in International Journals (ResearcherID, ORCID)

  • Dag, O., Dolgun, A., Konar, N.M. (2018). onewaytests: An R Package for One-Way Tests in Independent Groups Designs. The R Journal, 10:1, 175-199.
  • Dag, O., Ilk, O. (2017). An Algorithm for Estimating Box-Cox Transformation Parameter in ANOVA. Communications in Statistics - Simulation and Computation, 46:8, 6424-6435.
  • Lafci, A., Gokcinar, D., Ornek, D., Yilmaz, S., Dikmen, B., Un, C., Kilci, O., Dag, O. (2017). Addition of Fentanyl to Levobupivacaine Decreases Postoperative Pain During Arthroscopic Shoulder Surgery Under Interscalene Brachial Plexus Block. Acta Medica Mediterranea, 33:5, 827-831.
  • Asar, O., Ilk, O., Dag, O. (2017). Estimating Box-Cox Power Transformation Parameter Via Goodness-of-Fit Tests. Communications in Statistics - Simulation and Computation, 46:1, 91-105.
  • Dag, O., Yozgatligil, C. (2016). GMDH: An R Package for Short Term Forecasting Via GMDH-Type Neural Network Algorithms. The R Journal, 8:1, 379-386.
  • Babaoglu, E., Kilic, H., Hezer, H., Dag, O., Parlak, E., Senturk, A., Karalezli, A., Alisik, M., Erel, O., Hasanoglu, H.C. (2016). Comparison Of Thiol/Disulphide Homeostasis Parameters in Patients with COPD, Asthma and ACOS. European Review for Medical and Pharmacological Sciences, 20:8, 1537-1543.
  • Dag, O., Asar, O., Ilk, O. (2014). A Methodology to Implement Box-Cox Transformation When No Covariate is Available. Communications in Statistics - Simulation and Computation, 43:7, 1740-1759.
  • Papers in International Conferences

  • Ghahramani, M., Dag, O., de Leon, A.R. (2014). Semi-Parametric Estimation of Count Time Series. International Work-Conference on Time Series Analysis, pp. 81-86, June 25-27, Granada, Spain.
  • Abstracts in International Conferences

  • Dag, O., Karabulut, E., Alpar, R. (2018). Diverse Classifiers Ensembe Based on GMDH Algorithm for Binary Classification in R. 29th International Biometric Conference, pp. 72, 8-13 July, Barcelona, Spain.
  • Dag, O., Ilk, O. (2017). Asymmetric Confidence Interval with Box-Cox Transformation in R. 10th International Statistics Congress, pp. 215, December 6-8, Ankara, Turkey [Poster].
  • Dag, O., Ilk, O. (2017). Box-Cox Transformation for Linear Models via Goodness-of-Fit Tests in R. 10th International Statistics Congress, pp. 219, December 6-8, Ankara, Turkey [Poster].
  • Dag, O., Dolgun, A., Konar, N.M. (2017). One-Way Tests in Independent Groups Designs: the onewaytests Web Interface. 2nd International Biostatistics Congress, October 25-28, Antalya, Turkey.
  • Dag, O., Yozgatligil, C. (2016). GMDH: An R Package for Short Term Forecasting Via GMDH-Type Neural Network Algorithms. 1st International Biostatistics Congress, pp. 59-60, October 26-29, Antalya, Turkey.
  • Konar, N.M., Dag, O., Basol, M. (2015). Comparison of Multiple Linear Regression and Ridge Regression on a Real Life Data Application. 9th International Statistics Congress, pp. 267-268, October 28 - November 1, Antalya, Turkey [Poster].
  • Basol, M., Dag, O., Konar, N.M. (2015). Estimation of Ridge Constant in Ridge Regression via K-Fold Cross Validation. 9th International Statistics Congress, pp. 271-272, October 28 - November 1, Antalya, Turkey [Poster].
  • Konar, N.M., Dag, O., Dolgun, A. (2015). Effects of Non-normality and Heterogeneity on Tests for One-Way Independent Groups Design: Type I Error and Power Comparisons. XVth Spanish Biometric Conference, pp. 113, September 22-25, Bilbao, Spain.
  • Konar, N.M., Dag, O. (2015). Determining the Number of Clusters with an Application in R. European Meeting of Statisticians, pp. 102, July 6-10, Amsterdam, Netherlands.
  • Dag, O., Ilk, O. (2015). MLE in A Feasible Region is As Good As or Better Than the Usual MLE While Estimating Box-Cox Transformation Parameter in ANOVA. The 8th Conference of Eastern Mediterranean Region of International Biometric Society, pp. 15, May 11-15, Cappadocia, Nevsehir, Turkey.
  • Dag, O., Yozgatligil, C. (2015). Forecasting Via GMDH Algorithm with Medical Applications in R. The 8th Conference of Eastern Mediterranean Region of International Biometric Society, pp. 54, May 11-15, Cappadocia, Nevsehir, Turkey.
  • Dag, O., Asar, O., Ilk, O. (2013). Estimating Box-Cox Power Transformation Parameter Via Goodness-of-Fit Tests. y-BIS 2013: Joint Meeting of Young Business and Industrial Statisticians, pp. 66, September 19-21, Istanbul, Turkey.
  • Dag, O., Asar, O., Ilk, O. (2012). A Methodology to Implement Box-Cox Transformation When No Covariate is Available. 8th World Congress in Probability and Statistics, pp. 188, July 9-14, Istanbul, Turkey.
  • Abstracts in National Conferences

  • Konar, N.M., Dag, O., Dolgun, A. (2015). onewaytests: Tek Yonlu Bagimsiz Grup Tasarimi icin Bir R Paketi. 17th National Biostatistics Congress, pp. 39-40, November 5-9, Girne, Cyprus.
  • Seminars

  • Dag, O. (2017). A Novel Goodness-of-Fit Test for Normality, March 28, Department of Biostatistics, Hacettepe University, Ankara, Turkey.
  • Dag, O. (2015). Varsayim Bozulmalarinin Tek Yonlu Bagimsiz Grup Tasarim Testleri Uzerindeki Etkisi (in Turkish), December 15, Department of Biostatistics, Hacettepe University, Ankara, Turkey.
  • Dag, O. (2015). GMDH-Type Neural Network Algorithms for Short Term Forecasting, May 21, Department of Statistics, Middle East Technical University, Ankara, Turkey.
  • Dag, O. (2015). Forecasting Via GMDH Algorithm with Medical Applications in R, May 5, Department of Biostatistics, Hacettepe University, Ankara, Turkey.