Joint modeling is a frequently used method in clinical studies for analyzing the longitudinal and survival data simultaneously. In this method, the joint model is fitted by considering the relationship between two processes, ...

Birdane G., Assessment of psychosocial risk factors of employees of nursing in a university hospital with the Copenhagen Psychosocial Ouestionnaire and the association between mental wellbeing status Hacettepe University ...

Decision Trees, Bayesian Networks, and Support Vector Machines are the most commonly used statistical and data mining based methods of classification in the literature and practice. While using these methods, the impact ...

In the present study, introducing of the Quasi-Least Squares Regression (QLS) which is obtained of the extension of the Generalized Estimating Equations (GEE) and comparison of the results got from the applications of QLS ...

Felekoglu, R., The Effect of Kojic Acid Derivatives with New Synthesized Antithyrosinase Activity on Cytotoxicity and Cell Death in the A375 Malign Melanoma Cell Line, Hacettepe University Graduate School of Health ...

Transforming growth factor-β (TGF-β) is a signaling molecule that has a regulatory role in many physiological processes such as cell differentiation, apoptosis, and regulation of immune response, especially wound healing. ...

In this thesis, association rules, classification and regression models of data mining methods were used in order to estimate mortality and length of stay in intensive care units. A total of seven classification models, ...

Ovarian cancer is an important health problem because of its advanced diagnosis and high mortality rates. Serous carcinoma, the most common subtype, can be detected in advanced stage and after distant metastasis or lymph ...