Browsing İstatistik Bölümü by Title
Now showing items 184-203 of 206
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Uç Değerler Teorisi ve Riske Maruz Değer
(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 ... -
Uç Değerler Teorisi ve Türkiye Deprem Verisi Üzerine Bir Uygulama
(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 ... -
Using Next-Generation Dna Sequence Data For Genetic Association Tests Based On Allele Counts With And Without Consideration Of Zero Inflation
(2016)The relationship between genetic variability and individual phenotypes is usually investigated by testing for association relying on called genotypes. Allele counts obtained from next-generation sequence data could be used ... -
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 ... -
Uygunluk Analizinde Logaritmik Doğrusal Modellerin Kullanımı: Televizyon İzleme Eğilimleri Üzerine Bir Uygulama
(Fen Bilimleri Enstitüsü, 2014)One of the methods used for analyzing categorical variables arranged in contingency tables is correspondence analysis. Correspondence analysis is named as multiple correspondence analysis for three and higher dimensional ... -
Uzun Süreli Çalışmalarda Ma(1) ve Arma(1,1) Otokorelasyonlu Hatalara Sahip Doğrusal Karma Etkiler Modelleri için Örneklem Büyüklüğünün Belirlenmesi
(Fen Bilimleri Enstitüsü, 2012)The aim of the study is to determine sample sizes for the number of subjects and the number of repeated measures for a Linear Mixed Effects Model (LMM) with random intercept and slope in the analysis of longitudinal data ... -
Ülkelerin Uzun Dönem Kredi Notlarının Derecelendirilmesinde Önemli Değişkenlerin Veri Madenciliği Teknikleri Kullanılarak Belirlenmesi
(Fen Bilimleri Enstitüsü, 2013)Developments in all areas of life, following the advancements in technology, has caused the people to face new and complex problems, therefore increasing the need for information and data. In order to utilize increasing ... -
Vascular Endothelial Growth Factor (Vegf)-C, Vegf-D, Vegfr-3 And D2-40 Expressions In Primary Breast Cancer: Association With Lymph Node Metastasis
(Wroclaw Medical Univ, 2017)Background. Two members of the vascular endothelial growth factor (VEGF) family, VEGF-C and -D, are known as lymphangiogenic growth factors and play an important role in tumor lymphangiogenesis via activation of the VEGF ... -
Veri Madenciliği Yöntemleri İle Ana Harcama Gruplarının Paylarının Tahmini
(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 Analizi Ve Bir Uygulama
(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) ... -
Veri Zarflama Analizinin Robust Coplot Yöntemi İle Grafiksel Gösterimi
(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 ... -
Weighted Standard Deviation Method For (X)Over-Bar And S Control Charts
(2019)A Shewhart chart based on normality assumption is not appropriate for skewed distributions since its Type-I error rate is inflated. This study presents (X) over bar and S control charts for monitoring the process variability ... -
Yapay Sinir Ağları ve Regresyon Yöntemleri ile Hisse Senedi Getirilerinin Tahmini: Bist-30 Üzerine Bir Uygulama
(Fen Bilimleri Enstitüsü, 2021)With the rapid development of technology in the world in recent years, many innovations have emerged in the field of artificial intelligence. With these innovations, one of the most used areas of artificial intelligence ... -
Yarı Parametrik Regresyon Modelinde Etkili Gözlem Analizi
(Fen Bilimleri Enstitüsü, 2012)The aim of thesis is to develope diagnostics, used to detect influential observations in linear regression model, for semiparametric regression model and examine whether the developed diagnostics are successful or not in ... -
Yaşam Çözümlemesinde Aykırı Değerler
(Fen Bilimleri Enstitüsü, 2014)Survival analysis is a collection of statistical methods for analyzing data where the outcome variable is the time until the occurrence of an event of interest. Outliers are the individuals whose survival time is not ... -
Yaşam Çözümlemesinde Eş Zamanlı Yaşam Süreleri
(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. -
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 ... -
Yaşam Çözümlemesinde Kümelenmiş Başarısızlık Süresi
(Fen Bilimleri Enstitüsü, 2018)Survival analysis is a collection of statistical methods for analyzing data where the outcome variable is the time until the occurrence of an event of interest. The time is called "failure time" or "survival time". Here, ... -
Yaşam Çözümlemesinde Yapısal Eşitlik Modelleri
(Fen Bilimleri Enstitüsü, 2019)Survival analysis is a collection of statistical methods developed to examine the time elapsed until a given event occurs. The fact that the exact time of occurrence of the event is not known is defined as a discrete-time ... -
Yaşam Çözümlemesinde Zayıflık Modelleri
(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 ...
