İstatistik Bölümü Tez Koleksiyonu: Güncel gönderi
Toplam kayıt 130, listelenen: 41-60
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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 ... -
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 ... -
Türkiye'deki İllerin Havayolu Taşımacılığına Yönelik Performanslarının Veri Zarflama ve Temel Bileşenler Analizi ile Değerlendirilmesi
(Fen Bilimleri Enstitüsü, 2021-02-24)In this study, the relationship between statistical indicators of provinces in Turkey and air transportation statistics will be examined. First of all, the statistics related to the provinces included in the TUIK Provincial ... -
İstatistiksel ve Makine Öğrenme ile Derin Sinir Ağlarında Hiper-Parametre Seçimi İçin Melez Yaklaşım
(Fen Bilimleri Enstitüsü, 2021-07-05)In the literature, a very important problem in deep neural networks is the determination of hyper-parameters. There are many combinations that can be tried for the selection of hyper-parameters to be used in data analysis. ... -
Budanmış Ortalamalar için Karşılaştırma Testleri
(Fen Bilimleri Enstitüsü, 2021)Statistical significance tests, such as Student’s t test, ANOVA-F test, are widely used in many disciplines, including medicine, psychology, and biology. For these tests to exact control over the rate of a Type I error, ... -
Tıp Bilişiminde Veri Madenciliği Yöntemleri Kullanılarak Hastalıkların Tahmin Edilmesitıp Bilişiminde Veri Madenciliği Yöntemleri Kullanılarak Hastalıkların Tahmin Edilmesi
(Fen Bilimleri Enstitüsü, 2020)Nowadays, Data Mining is an increasingly important tool, especially in the administration of healthcare enterprises and in determining health-related policies, as it provides support for the decision-making processes of ... -
Ewma Control Charts For Skewed Dıstrıbutıons
(Fen Bilimleri Enstitüsü, 2020-09-30)The classic Shewhart control charts are generally used for monitoring the process mean and variability in the characteristics of a random quality variable of interest and are based on the normality assumptions. For skewed ... -
Bayesci grafik modelleri
(Fen Bilimleri Enstitüsü, 2001)Posterior distributions obtained by Bayesian approach usually have high dimensions when the models are rather complicated. Therefore, to reach the marjinal distributions from the models is analitically intractable. The aim ... -
Yinelemeli Sinir Ağları ile Finansal Veri Tahmini
(Fen Bilimleri Enstitüsü, 2020-08)Recurrent Neural Network is an artificial neural network model which the outputs are re-included to network input in every iteration. The biggest advantage of recurrent neural networks is that they consider the variation ... -
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 ... -
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 ... -
Gen Açıklama Verilerinin Sınıflandırılmasında Yeni Bir Özellik Seçimi Yöntemi
(Fen Bilimleri Enstitüsü, 2020)Emergence of DNA microarray datasets started up a crucial research subject for both bioinformatics and machine learning. This type of data is obtained from tissue or cell samples and used to collect information that may ... -
Türkiye'de Gün Öncesi Piyasası İçin Elektrik Fiyatlarının Tahmini
(Fen Bilimleri Enstitüsü, 2020)Electricity, known as static electricity from ancient times to 1880’s, take a indispensable place in human life especially down from it had been used as a lightening purpose. At the present time, there isn’ t any substitute ... -
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 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 ... -
Bağımsız Bileşenler Analizi ile Çoklu Bağlantı Sorununa Bir Yaklaşım
(Fen Bilimleri Enstitüsü, 2019-07-19)In the first part of the thesis, although it is a multivariate statistical method, Independent Components Analysis which is mostly used in the engineering field, which is not known much in statistics, has been discussed ... -
İstatistiksel Veri Madenciliği Teknikleri ile Kamu Alımları Sektöründe Satış Tahmini
(Fen Bilimleri Enstitüsü, 2019-09)In today's economic conditions, states must cooperate with the private sector in economic situations where it is not possible for them to offer public services. At this point where states and private sector meet, the ... -
Genelleştirilmiş Weibull Dağılımları
(Fen Bilimleri Enstitüsü, 2019)Weibull distributions are one of the most popular continuous distributions used in survival analysis for modeling error / failure times such as deterioration and wear, early death. Nowadays, this distribution is used to ... -
Yazılım Test Planlama ve Raporlama Aracı'nın Tasarlanması ve Kodlanması
(Fen Bilimleri Enstitüsü, 2019-09-27)In today's software world, besides increasing the expectation of quality software, planning of software testing activities and efficient use of resources is gaining importance due to constraints of qualified personnel, ... -
Teknoloji Geliştirme Bölgelerinin İstatistiksel Yöntemler ile Etkinlik Değerlendirilmesi
(Fen Bilimleri Enstitüsü, 2019)With the increase of awareness on science and technology policies, the resources that are allocated to R&D and innovation all over the world are expanding day by day. When targets of 2023 are taken into consideration, ...
