• Uç Değerler Teorisi ve Riske Maruz Değer 

      Altun, Emrah (Fen Bilimleri Enstitüsü, 2014)
      Value-At-Risk (VaR) is a method, measures the maximum loss of the investment for a given confidence interval and holding period. When the classical VaR models are analyzed, it is shown that these models are based on the ...
    • Veri Zarflama Analizi Ve Bir Uygulama 

      Sarı, Zuhal (Fen Bilimleri Enstitüsü, 2015)
      In this study, Data Envelopment Analysis (DEA) method used in assessing theactivities of the decision making units when there is too much input and output hasbeen examined. The aim in the data envelopment analysis (DEA) ...
    • Tabu Arama Algoritmasının Kuyruk Problemine Uygulanması 

      Gürbüz, Ömür (Fen Bilimleri Enstitüsü, 2015)
      Many people buy their vital need for living from a supermarket and they wait in checkout queues. In retail market, management of checkout queue lenght is very important for minimize payroll expences and maximize customer ...
    • Yaşam Çözümlemesinde Zayıflık Modelleri 

      Yeğen, Diren (Fen Bilimleri Enstitüsü, 2015)
      The subject of survival analysis is the status of an event, whether it takes place or not in an observation process. Various statistical methods differ than classical methods have been used in survival analysis.The Cox ...
    • Uç Değerler Teorisi ve Türkiye Deprem Verisi Üzerine Bir Uygulama 

      Akkoyun, Serpil Güney (Fen Bilimleri Enstitüsü, 2015)
      In this study, Extreme Value Theory (EVT) has been studied broadly. In practice, contrary to the popular applications (hydrology, meteorology, economy, etc.) we did an analysis of the seismic data which is new in the Turkish ...
    • Bulanık Regresyon Analizinde Monte Carlo Yöntemi ve Uzman Sistemler 

      Içen, Duygu (Fen Bilimleri Enstitüsü, 2015)
      In this study, the use of fuzzy expert system in Monte Carlo method, which is used for estimating fuzzy linear regression model parameters, is proposed for determining the parameter intervals for the first time.For this ...
    • Veri Madenciliği Yöntemleri İle Ana Harcama Gruplarının Paylarının Tahmini 

      Ahi, Levent (Fen Bilimleri Enstitüsü, 2015)
      A country's social statistical infrastructure constitute research conducted in the field of income, education, health, labour force and consumption. Institutions and enterprises have hundreds of research done in these areas ...
    • Veri Zarflama Analizinin Robust Coplot Yöntemi İle Grafiksel Gösterimi 

      Söylemez, Arslan (Fen Bilimleri Enstitüsü, 2015)
      The term of productivity and the term of efficiency, two important indicators of performance, are used interchangeably in daily life, although in reality the meanings they have are different from each other. The term of ...
    • Yaşam Çözümlemesinde Eş Zamanlı Yaşam Süreleri 

      Keskin, Sena (Fen Bilimleri Enstitüsü, 2015)
      Survival analysis is generally defined as a set of methods for analyzing data where theoutcome variable is the time until the occurrence of an event of interest.
    • Karesel Olumsallık Tablolarında Simetrik Olmayan Modeller 

      Efendioğlu, Gökçen (Fen Bilimleri Enstitüsü, 2015)
      Joint distribution of categorical variables is summarized with contingency tables. Square contingency tables represent the equality of level of row and column variables. The data used for analysis of square contingency ...
    • Kesikli Yaşam Süresi Modelleri 

      Ölmez Hosta, Hilal (Fen Bilimleri Enstitüsü, 2016)
      The survival analysis is a statistical research method dealed with the dur ati on of a unit from the beginni ng of observation until the interested event takes place. Survival analysis which is used ...
    • Gudermannian Kayıp Fonksiyonu ve GudermannianBoost İkili Sınıflandırma Yöntemi 

      Toka, Onur (Fen Bilimleri Enstitüsü, 2016-12)
      In this study, a robust loss function and binary boosting classification method are proposed. The purpose of classification methods is to obtain classifier function with generalization ability, i.e., high prediction ...
    • Genelleştirilmiş Olasılık Dağılımları Üzerine Bir Çalışma 

      Çakmakyapan, Selen (Fen Bilimleri Enstitüsü, 2017)
      Numerous classical distributions are used in the modeling of acquired data in engineering, actuarial, environmental and medical sciences, demography, economics, finance, insurance, biological studies, life analysis and ...
    • REGRESSION DISCONTINUITY DESIGN: AN APPLICATION IN ECONOMICS 

      Arslan, Neslihan (Fen Bilimleri Enstitüsü, 2017)
      Regression Discontinuity Design (RDD) is developed as an alternative to ex-post facto experiments. It is an approach causally estimating treatment effects in non-experimental designs. The Regression Discontinuity Methodology ...
    • Yaşam Çözümlemesinde İyileşme Modelleri 

      Kara, Pınar (Fen Bilimleri Enstitüsü, 2017)
      Survival analysis is generally defined as a group of statistical methods for analyzing the data where the outcome variable is the time until the occurrence of an event of interest. Various statistical models differ than ...
    • ARDL Model Bounds Test Approach: The Case of Turkey 

      Özcan, Burcu (Fen Bilimleri Enstitüsü, 2017)
      In the econometric literature, ARDL bounds testing approach proposed by Pesaran and Shin [16], improved Pesaran et al. [17], and Toda-Yamamoto causality procedures [12] are widely used in empirical analysis because the ...
    • Karesel Olumsallık Tablolarında Düzey Ayırt Edilebilirliği ve Uyum 

      Yılmaz, Ayfer Ezgi (Fen Bilimleri Enstitüsü, 2017)
      In square contingency tables, analysis of agreement between the row and column classifications is of interest. For nominal categories, kappa coefficient is used to summarize the degree of agreement between two raters. For ...
    • Doğrusal Regresyonda Bozulma Noktasına Sahip Tahminler 

      Khalau, Joaquım Jorge Da Costa (Fen Bilimleri Enstitüsü, 2017-01)
    • ÖRNEKLEME YÖNTEMLERİNDE HARTLEY-ROSS TAHMİN EDİCİSİNE DAYALI YENİ TAHMİN EDİCİLER 

      Öncel Çekim, Hatice (Fen Bilimleri Enstitüsü, 2017-04-03)
      In this thesis, we have used Hartley-Ross Method to obtain unbiased estimators. We have proposed the families of estimators based on Hartley-Ross estimators in both Simple Random Sampling and Stratified Random Sampling. ...
    • Çeşitli Tabakalı Sıralı Küme Örneklemesi Tasarımlarında Kitle Ortalamasının Tahmin Edilmesi 

      Doğru, Arzu Ece (Fen Bilimleri Enstitüsü, 2017-06-02)
      Ranked Set Sampling is used when taking exact measurement of sampling units is difficult but ranking is easy. Stratified sampling is a sampling method when the population is heterogeneous. In this thesis, the classical, ...