Browsing İstatistik Bölümü Tez Koleksiyonu by Title
Now showing items 46-65 of 112
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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 ... -
Karesel Olumsallık Tablolarında Model Uyumunun Sapma Ölçüsü ile Belirlenmesi
(Fen Bilimleri Enstitüsü, 2018)The joint distribution of categorical variables is summarized by the contingency table. The R × R dimensional contingency tables in which the variables are cross classified according to the same criteria with the number ... -
Karesel Olumsallık Tablolarında Simetrik Olmayan Modeller
(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 ... -
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 ... -
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 ... -
Kesirli Polinomlar ile Yaşam Modelleri
(Fen Bilimleri Enstitüsü, 2019)The use of regression models with fractional polynomial was proposed to model nonlinear effects of covariates. The inclusion of continuous covariates as continuous in the model and its inclusion in the model as a categorical ... -
Klasik ve Bayesci Yapısal Eşitlik Modellerinde Parametre Tahminlerinin Karşılaştırılması: Sıralı Kategorik Verilerle Bir Uygulama
(Fen Bilimleri Enstitüsü, 2019)This study compared with the parameter estimation methods of Maximum Likelihood (ML) and Bayesian approximation as Structural Equation Models (SEM) commonly used in analyzing the casual link. In the absence of classical ... -
Kopula Fonksiyonları ve Kripto Para Birimlerine Bir Uygulama
(Fen Bilimleri Enstitüsü, 2023)Cryptocurrency that we hear frequently today first entered our lives in 2009 with Bitcoin. While cryptocurrencies are highly volatile, their risk levels are mostly unknown. It is important for investors to know the risk ... -
Kredi Temerrüt Takası Primleri İle Çeşitli Ekonomik Göstergeler Arasındaki İlişkiler
(Fen Bilimleri Enstitüsü, 2013)Determining the economic variables that affect credit default swap spreads which are known as indicator of country risk and modelling these spreadss have great importance in terms of financial world. In this study, after ... -
Krom Üretim Miktarı ve Fiyatının Panel Veri Kullanılarak Modellenmesi
(Fen Bilimleri Enstitüsü, 2019)Within the scope of the thesis, by providing the information about the chrome mine, the factors affecting the quarry sales price, quarry sales amount and the right of government have been examined thanks to the data obtained ... -
Makine Öğrenme Yaklaşımlarının Biyoinformatikte İlaç Geliştirme Probleminde Kullanılması
(Fen Bilimleri Enstitüsü, 2023)Humans are at the center of the drug research and development process. It is aimed to help the patient overcome his illness and improve his quality of life. In the drug development process, innovative drugs are aimed ... -
Markov Zinciri Monte Carlo Yönteminin Dinamik Doğrusal Modellere Uygulanması
(Fen Bilimleri Enstitüsü, 2013)This study deals with implementing three different types of dynamic linear models using dlm package in R. These models are the steady model, the linear growth model and the combined model as a second order polynomial model ... -
Medyan Sıralı Küme Örneklemesi Yönteminde Kitle Ortalamasının Tahmini
(Fen Bilimleri Enstitüsü, 2018-10-08)Ranked set sampling methods are used when it is costly or difficult to measure the sampling units precisely with respect to the variable of interest and also when these units can be more easily ranked with respect to the ... -
Mekânsal Panel Veri Modelleri: Havacılık Sektöründe Bir Uygulama
(Fen Bilimleri Enstitüsü, 2021-01-25)When analyzing the data with geographical units (cities, countries, states, regions, etc.), it should be investigated whether neighboring units have spatial effects on each other. Because it is assumed that geographical ... -
Meteorolojik Mekansal Verilerin İstatistiksel Yöntemler ile Analizi: Çatalan Baraj Gölü Havzası Örneği
(Fen Bilimleri Enstitüsü, 2019)In hydrology, which is a sub-discipline of earth sciences, spatial analysis methods are needed to determine the spatial arial distribution (x, y, z, t) of the hydrometeorological data as point (x, t) time series data. ... -
Nedensellik Analizi ve Gri İlişkisel Analiz İle Performans Sıralaması: G20 Ülkeleri Üzerine Bir Çalışma
(Fen Bilimleri Enstitüsü, 2018-11)In this thesis study, it is aimed to measure and rank the economic performances of countries by using the basic economic parameters specified in the study by using Gray Relational Analysis (GRA) method, which is one of the ... -
Ölçüm Hatalı Açıklayıcı Değişkenli Cox Regresyon Modeline Bayesci Yaklaşım
(Fen Bilimleri Enstitüsü, 2020)The Cox regression model with the measurement error covariate can cause an important bias when estimating coefficients by maximizing the known partial likelihood function. In this case, alternative estimation methods have ... -
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 ... -
Örnekleme Kuramında Yüzdelik Tahmin Edicileri
(Fen Bilimleri Enstitüsü, 2018)Economic variables can have extreme values and in this case, these extreme values have a very strong impact on the mean. In such cases, using median and quantiles is more convenient instead of using mean. In literature, ... -
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. ...