İstatistik Bölümü Tez Koleksiyonu: Güncel gönderi
Toplam kayıt 130, listelenen: 81-100
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Ölçüm Sistemleri Analizinde Varyans Bileşenlerinin Tahminleri
(Fen Bilimleri Enstitüsü, 2018)In this thesis study, using the ANOVA, Maximum Likelihood Estimation (ML), Restricted Maximum Likelihood Estimation (REML) and Minimum Norm Quadratic Estimation (MINQUE) methods, how to apply these estimates to the Measurement ... -
Değişen Katsayılı Regresyon Modeli İle Gebelerin Ortalama Arteriyel Kan Basıncına Etki Eden Risk Faktörlerinin Belirlenmesi
(Fen Bilimleri Enstitüsü, 2018-09-25)Varying Coefficient Models are used to reveal properties of multidimensional data among nonparametric regression models. Since these models allow the coefficients to change over the variable called the "index variable", ... -
Hanehalkı İşgücü Araştırma Verileri İle Veri Madenciliği Yöntemlerinin Uygulanması Ve Modellerin Karşılaştırılması
(Fen Bilimleri Enstitüsü, 2018)In today’ s conditions, increasing the need for such as assessing, analyzing and making forward estimates of data, has increased the demand for data mining methods. In this study, classification and regression estimating ... -
Kedi Sürüsü Optimizasyonuna Dayalı Yeni Bir Bulanık Zaman Serisi Yaklaşımı
(Fen Bilimleri Enstitüsü, 2018)Since there are no theoretical constraints such as the model assumption and the number of observations, the importance of the preferred fuzzy time series instead of classical time series is day by day increasing in analysis ... -
Sayma Verisi İçin Regresyon Modelleri Ve Bir Uygulama
(Fen Bilimleri Enstitüsü, 2018)Regression analysis is used to measure the relationship between a dependent variable and one or more explanatory variables. When the dependent variables consist of discrete non-negative values, the use of counting data ... -
Tramo/Seats Yöntemi İle İmalat Sanayi Üretim Endeksinin Modellenmesi: Doğrudan Ve Dolaylı Yaklaşımların Karşılaştırılması
(Fen Bilimleri Enstitüsü, 2018)Time series show that seasonal movements repeated from year to year. These seasonal movements conceal the characteristics of the economic time series and prevent to make reliable analysis. For this reason, economic time ... -
Deneysel Dağılım Fonksiyonuna Dayalı Yeni Uyum İyiliği Testleri
(Fen Bilimleri Enstitüsü, 2018)Distributional assumptions are at the core of statistical methods. Goodness-of-fit test statistics are used to examine whether there is a difference between the sample distribution and the empirical distribution. Although ... -
Uyarlanabilir Küme Örneklemesinde Oransal Tahminler
(Fen Bilimleri Enstitüsü, 2018)In this study, simple and ratio estimators of Horvitz-Thompson and Hansen-Hurwitz are investigated in the literature in order to obtain an estimate of population mean in adaptive cluster sampling. These estimators do not ... -
THE IMPORTANCE OF FAT-TAILED AND SKEWED DISTRIBUTIONS IN MODELING VALUE-AT-RISK
(Fen Bilimleri Enstitüsü, 2018)Most of the Value-at-Risk models assume that financial returns are normally distributed, despite the fact that they are commonly known to be left skewed, fat-tailed and excess kurtosis. Forecasting Value-at-Risk with ... -
Genelleştirilmiş Olasılık Dağılımları Üzerine Bir Çalışma
(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 ... -
TÜRKİYE' DE BANKALARIN ETKİNLİĞİNİN PENCERE ANALİZİ İLE BELİRLENMESİ
(Fen Bilimleri Enstitüsü, 2017-06-21)The finance sector that is the basis of the economy and the banking sector, which is the most important representative of finance sector in our country is continuing in our day its activities under intense competition ... -
ARDL Model Bounds Test Approach: The Case of Turkey
(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 ... -
REGRESSION DISCONTINUITY DESIGN: AN APPLICATION IN ECONOMICS
(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 ... -
BASİT VE TABAKALI RASTGELE ÖRNEKLEMEDE ÜSTEL FONKSİYONU KULLANAN KİTLE ORTALAMASI TAHMİN EDİCİLERİ
(Fen Bilimleri Enstitüsü, 2017-06-14)In this study, we investigated estimators with exponential functions for estimation of mean estimator in simple and stratified random samplings. Family of estimators based on the exponential function is proposed for both ... -
Kesikli Yaşam Süresi Modelleri
(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 ... -
Yaşam Çözümlemesinde İyileşme Modelleri
(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 ... -
Çeşitli Tabakalı Sıralı Küme Örneklemesi Tasarımlarında Kitle Ortalamasının Tahmin Edilmesi
(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, ... -
ÖRNEKLEME YÖNTEMLERİNDE HARTLEY-ROSS TAHMİN EDİCİSİNE DAYALI YENİ TAHMİN EDİCİLER
(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. ... -
Karesel Olumsallık Tablolarında Düzey Ayırt Edilebilirliği ve Uyum
(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 ... -
Gudermannian Kayıp Fonksiyonu ve GudermannianBoost İkili Sınıflandırma Yöntemi
(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 ...
