Kurum Yazarı "Mert Kantar, Yeliz" WoS İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Analysis of some flexible families of distributions for estimation of wind speed distributions
Usta, İlhan; Mert Kantar, Yeliz (Elsevier Sci LTD, 2012)The wind speed distribution is the basis for the assessment of wind energy potential needed for the design of wind farms. Therefore, the proper specification of the wind speed distribution is of special importance. In this ... -
Analysis of the upper-truncated Weibull distribution for wind speed
Mert Kantar, Yeliz; Usta, İlhan (Pergamon-Elsevier Science LTD, 2015)Accurately modeling wind speed is critical in estimating the wind energy potential of a certain region. In order to model wind speed data smoothly, several statistical distributions have been studied. Truncated distributions ... -
Analysis of wind speed distributions: Wind distribution function derived from minimum cross entropy principles as better alternative to Weibull function
Mert Kantar, Yeliz; Usta, İlhan (Pergamon-Elsevier Science LTD, 2008)In this study, the minimum cross entropy (MinxEnt) principle is applied for the first time to the wind energy field. This principle allows the inclusion of previous information of a wind speed distribution and covers the ... -
Analyzing the Relationships among the Spatial Characteristics of Cultural Structure, Activities, And the Tourism Demand
Yüncü, Deniz Karagoz; Sezerel, Hakan; Mert Kantar, Yeliz; Aktaş, Semra Günay (Int Business Information Management Assoc-Ibima, 2016)This paper presents the preliminary findings for a research project on the cultural assets and the number of tourist arrivals in Turkey. The primary aim of the study is to elicit the spatial cluster patterns of the two ... -
Biquaternionic reformulation of multifluid plasma equations
Demir, Süleyman; Tanışlı, Murat; Şahin, Neslihan; Mert Kantar, Yeliz (Elsevier Science BV, 2017)Extending the biquaternionic generalization of the Maxwell type equations of compressible fluids, an effort has been introduced for the reformulation of analogous multifluid plasma equations. With the help of an exact ... -
A comparative study for the location and scale parameters of the Weibull distribution with given shape parameter
Mert Kantar, Yeliz; Şenoğlu, Birdal (Pergamon-Elsevier Science LTD, 2008)Nine parametric estimators of the location and scale parameters of a two-parameter Weibull distribution are compared in terms of their bias and efficiency in a simulation study. The estimators considered are the maximum ... -
Comparison of certain value-at-risk estimation methods for the two-parameter Weibull loss distribution
Gebizlioğlu, Ömer L.; Şenoğlu, Birdal; Mert Kantar, Yeliz (Elsevier Science BV, 2011)The Weibull distribution is one of the most important distributions that is utilized as a probability model for loss amounts in connection with actuarial and financial risk management problems. This paper considers the ... -
Estimating the location and scale parameters of the Weibull distribution: An application from engineering
Mert Kantar, Yeliz; Şenoğlu, Birdal (Acta Press Anaheim, 2007)There exist various methods for estimating the location and scale parameters of the Weibull distribution. The maximum likelihood estimators (MLE), moment estimators (ME), generalized spacing estimators (GSE), modified ... -
Generalized Least Squares and Weighted Least Squares Estimation Methods for Distributional Parameters
Mert Kantar, Yeliz (Inst Nacional Estatistica-Ine, 2015)Regression procedures are often used for estimating distributional parameters because of their computational simplicity and useful graphical presentation. However, the resulting regression model may have heteroscedasticity ... -
Improving Gender Equality in Higher Education in Turkey
Aktaş, Semra Günay; Kumtepe, Evrim Genç; Mert Kantar, Yeliz; Ulukan, İbrahim Cemil; Aydın, Sinan; Aksoy, Talha; Er, Fikret (Springer, 2019)Women's representation in education-especially in higher education- is an important part of broader gender equity discussions. The gender imbalance in education is not a new issue; and Turkey is no exception. In fact, this ... -
Mean-Variance-Skewness-Entropy Measures: A Multi-Objective Approach for Portfolio Selection
Usta, İlhan; Mert Kantar, Yeliz (MDPI AG, 2011)In this study, we present a multi-objective approach based on a mean-variance-skewness-entropy portfolio selection model (MVSEM). In this approach, an entropy measure is added to the mean-variance-skewness model (MVSM) to ... -
A Monte Carlo simulation study on partially adaptive estimators of linear regression models
Mert Kantar, Yeliz; Usta, İlhan; Acıtaş, Şükrü (Routledge Journals, Taylor & Francis LTD, 2011)This paper presents a comprehensive comparison of well-known partially adaptive estimators (PAEs) in terms of efficiency in estimating regression parameters. The aim is to identify the best estimators of regression parameters ... -
A new approach to Lorentz invariance in electromagnetism with hyperbolic octonions
Tanışlı, Murat; Mert Kantar, Yeliz; Demir, Süleyman (Springer Heidelberg, 2012)In this study, after introducing the hyperbolic octonionic (counteroctonion) algebra and its properties, Maxwell's equations with magnetic monopole and currents, Lorenz conditions for the electric, magnetic fields and ... -
A new concept of relative suitability of moment function sets
Shamilov, Aladdin; Giriftinoğlu, Çiğdem; Usta, İlhan; Mert Kantar, Yeliz (Elsevier Science Inc, 2008)In modeling statistical data by using entropy optimization distributions, the choice of a suitable moment function set and various combinations of their elements are very important. It is also important to have criteria ... -
A new estimation approach based on moments for estimating Weibull parameters in wind power applications
Usta, İlhan; Arık, İbrahim; Yenilmez, İsmail; Mert Kantar, Yeliz (Pergamon-Elsevier Science LTD, 2018)This study introduces a new estimation approach that could be used in calculating the Weibull parameters for the estimation of wind power. This new approach, called the method of multi-objective moments (MUOM), proposes ... -
Octonionic Maxwell's equations for bi-isotropic media
Tanışlı, Murat; Mert Kantar, Yeliz (Amer Inst Physics, 2011)In this study, octonions with eight dimensions and their algebra, which are both noncommutative and nonassociative, are presented. Moreover, the general properties of complex octonions with 16 dimensions and the products ... -
On the performance of the flexible maximum entropy distributions within partially adaptive estimation
Usta, İlhan; Mert Kantar, Yeliz (Elsevier Science BV, 2011)The partially adaptive estimation based on the assumed error distribution has emerged as a popular approach for estimating a regression model with non-normal errors. In this approach, if the assumed distribution is flexible ... -
Portfolio optimization with entropy measure
Usta, İlhan; Mert Kantar, Yeliz (Acta Press Anaheim, 2007)In portfolio management, the selection of portfolio weights has received considerable interest. Considering the expected return, risk and uncertainty, the portfolio distribution is to be determined. The maximum entropy ... -
A regression model for terminal airspace delays
Çetek, Fulya Aybek; Mert Kantar, Yeliz; Cavcar, Aydan (Cambridge University Press, 2017)Air Traffic Management (ATM) research generally focuses on achieving a safer, more effective and economical air traffic system. The current airspace system has become increasingly strained as the demand for air travel has ... -
Robust Estimation for Parameters of the Extended Burr Type III Distribution
Mert Kantar, Yeliz; Yıldırım, Vural (Taylor & Francis Inc, 2015)We consider various robust estimators for the extended Burr Type III (EBIII) distribution for complete data with outliers. The considered robust estimators are M-estimators, least absolute deviations, Theil, Siegel's ...