Browsing İstatistik Bölümü by Title
Now showing items 46-65 of 193
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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", ... -
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 ... -
Destek Vektör Makineleri Üzerine Bir Çalışma
(Fen Bilimleri Enstitüsü, 2014)Support Vector Machines were introduced by Vladamir Vapnik in 1995 as a new-generation technique, learning from training set which is high-dimensional and whose sample size is much small, by creating and solving a quadratic ... -
Determinants Of Electricity Consumption Based On The Nuts 2 Regions Of Turkey: A Panel Data Approach
(2019)Previous studies have focused on the relationship in recent years between electricity consumption and socio-economic indicators, but little attention has been paid to regional differences in Turkey. This study determines ... -
Differentially Regulated Adamts1, 8, And 18 In Gastric Adenocarcinoma
(Comenius Univ, 2017)OBJECTIVE: The aim is to investigate the expression status of ADAMTS1,8, and 18 proteases in gastric cancer (GC) and lymphatic metastasis. BACKGROUND: A disintegrin and metalloprotease with thrombospondin motifs (ADAMTS) ... -
Does N Ratio Affect Survival In D1 and D2 Lymph Node Dissection For Gastric Cancer?
(Baishideng Publ Grp Co Ltd, 2011)AIM: To identify whether there could have been changes in survival if lymph node ratio (N ratio) had been used. METHODS: We assessed 334 gastric adenocarcinoma cases retrospectively between 2001 and 2009. Two hundred and ... -
Does Tooth Loss In The Mandibular Posterior Region Have An Effect On The Mental Index And Panoramic Mandibular Index?
(2019)Purpose: Mental index (MI) and panoramic mandibular index (PMI) are important radiomorphometric indices used for assessing the quality of the mandibular bone. The aim of this study was to investigate the possible effect ... -
Doğrusal Cebire Giriş
(2006)Hacettepe Üniversitesi, Fen Fakültesi, İstatistik Bölümü'nde yıllardır ermekte olduğum doğrusal cebir derslerinin ders notlarından oluşan birinci baskısına göre, bu baskıda önemli değişiklikler yaptık. Tüm bölümler eniden ... -
Doğrusal Karma Modelde Varyans Bileşenlerinin Sağlam Kestiriciler ile Tahmini
(Fen Bilimleri Enstitüsü, 2020)In this study, how to estimate the variance components of the linear mixed model with robust estimators is explained and an application is made on a real dataset. For this purpose, firstly, estimation methods of fixed, ... -
Doğrusal Regresyonda Bozulma Noktasına Sahip Tahminler
(Fen Bilimleri Enstitüsü, 2017-01) -
Doğrusal Regresyonda Ridge, Liu ve Lasso Tahmin Edicileri Üzerine Bir Çalışma
(Fen Bilimleri Enstitüsü, 2019-07-22)In multiple linear regression analysis, the ridge and liu regression estimators are often used to solve the multicollinearity problem. In this thesis, Ridge, Liu methods and LASSO method, which is one of the most widely ... -
Efficiency Analysis Of Foundation Universities In Turkey
(Turkish Education Assoc, 2015)Inadequacy of ratio analysis and parametric methods when comparing educational institutions and failure to achieve success in determining the most effective institutions, decision makers have led to the use of the Data ... -
Efficiency Of State Universities In Turkey During The 2014-2015 Academic Year And Determination Of Factors Affecting Efficiency
(Turkish Education Assoc, 2017)The concepts of efficiency and productivity are of vital importance in a world of limited resources. In this study, the productivity of state universities in Turkey is determined through data envelopment analysis, and the ... -
Eliptik Konturlu Dağılımlara Dayalı Çok Değişkenli Tekrarlı Ölçümlü Varyans Analizi
(Fen Bilimleri Enstitüsü, 2020)Repeated measures data describe multiple measurements taken from the same experimental unit under different treatment conditions. In particular, researches with repeated measures data in various fields such as health and ... -
Estimation Of Mean Of A Sensitive Quantitative Variable In Complex Survey: Improved Estimator And Scrambled Randomized Response Model
(2019)With the intention to control a true swapping between the efficiency and the privacy protection this paper introduces a scrambled randomized response (SRR) model to be alternative of Saha's scrambling mechanism. The basic ... -
Evaluation Of Being Overweight/Obese And Related Sociodemographic Factors In 0-5 Year Age Group In Turkey: Turkey Demographic Health Survey 2013 Advanced Analysis
(2019)Background/aim To determine risk factors of overweightness/obesity in children aged 0-5 years in the Turkish population. Materials and methods We made advanced analysis using the Turkey Demographic Health Survey (TDHS) ... -
Evaluation of Panel Data Models and an Applıcatıon on Ise30
(Fen Bilimleri Enstitüsü, 2019)Panel data is the intersection of time series and cross-section data. The panel data defines change between units or the change in time for each unit, explains these variabilities by some other variables and estimates each ...
