İstatistik Bölümü: Güncel gönderi
Toplam kayıt 232, 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, ... -
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) ... -
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 ... -
A New Uniform Distribution With Bathtub-Shaped Failure Rate With Simulation And Application
(2019)Bathtub failure rate shape is widely used in industrial and medical applications. In this paper, a three-parameter lifetime distribution, so-called the generalized Weibull uniform distribution that extends the Weibull ... -
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 ... -
A Regression Type Estimator For Mean Estimation Under Ranked Set Sampling Alongside The Sensitivity Issue
(2019)Koyuncu and Kadilar [7] introduced a family of estimators under simple random sampling. In this article; we adapt these estimators for ranked set sampling. Further, we suggest a regression-type estimator of population mean ... -
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 ... -
A New Generalized Weighted Weibull Distribution
(2019)In this article, we present a new generalization of weighted Weibull distribution using Topp Leone family of distributions. We have studied some statistical properties of the proposed distribution including quantile function, ... -
A84 Updated Systematic Review With Network Metaanalysis On Comparative Efficacy And Tolerability Of Different Intravenous Iron Products For The Treatment Of Iron Deficiency Anemia In Patients With Ibd
(2019)Background In patients with inflammatory bowel disease (IBD), iron deficiency anemia (IDA) is a frequent complication. Causes include intestinal bleeding, reduced iron intake and impaired duodenal iron absorption due to ... -
The Extended Odd Weibull-G Family: Properties And Applications
(2019)The Weibull distribution is one of the most popular and widely used model for failure time in life-testing and reliability theory. In this study, we introduce a new class of continuous distributions called the extended odd ... -
The Comparative Analysis Of Urban Transport In Ankara By Gender And Age Groups
(2019)Today travel time by urban transport has varied as a result of developing urban facilities, land use pattern, development of transport infrastructure and alternative transport system options for communities. Different ... -
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 ... -
On Gamma Inverse Weibull Distribution
(2019)The inverse Weibull distribution which was first introduced to investigate the decay of mechanical components is widely used in the field of biology, especially in the areas of survival and reliability analysis. In this ... -
Six Year Mortality Profile Of A Pediatric Intensive Care Unit: Association Between Out-Of-Hours And Mortality
(2019)Introduction. Recent improvements in pediatric intensive care units (PICUs) were achieved through trained personnel and better technology, leading to an increase in patient care, survival rates and good prognosis. Nevertheless ... -
Influenza Vaccination Prevalence Among The Elderly And Individuals With Chronic Disease, And Factors Affecting Vaccination Uptake
(2019)Objective: Our aim is to evaluate influenza vaccination rates among the elderly and individuals with underlying chronic disease, and factors that affect vaccination uptake. Methods: The study comprised individuals aged ... -
Hybrid Constrained Evolutionary Algorithm For Numerical Optimization Problems
(2019)Constrained optimization are naturally arises in many real-life applications, and is therefore gaining a constantly growing attention of the researchers. Evolutionary algorithms are not directly applied on constrained ...
