Browsing İstatistik Bilim Dalı by Type "article"

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Assessment of the Use of AutoCAD in Mechanical Engineering Technical Drawing Education

Akyürek, Turgut (2017)

: AutoCAD is one of the widely used software tools in engineering education. In this study, a general assessment of AutoCAD for the usage in the mechanical engineering technical drawing education is made. AutoCAD is ...
Classification Models Based On Tanaka's Fuzzy Linear Regression Approach: the Case of Customer Satisfaction Modeling

Bayrak, Özlem Türker (IOS Press, 2010)

Fuzzy linear regression (FLR) approaches are widely used for modeling relations between variables that involve human judgments, qualitative and imprecise data. Tanaka's FLR analysis is the first one developed and widely ...
Effect of Estimation on Simple Linear Profile Monitoring under Non-normality

Aytaçoğlu, Burcu; Türker Bayrak, Özlem (2019)

In recent years, many control charts have been proposed to monitor profiles where the quality of a process/product is expressed as function of response and explanatory variable(s). The methods mostly assume that the ...
Effect of estimation under nonnormality on the phase II performance of linear profile monitoring approaches

Aytaçoğlu, Burcu; Bayrak, Özlem Türker (Wiley, 2019-11)

The number of studies about control charts proposed to monitor profiles, where the quality of a process/product is expressed as function of response and explanatory variable(s), has been increasing in recent years. However, ...
Inference of Autoregressive Model with Stochastic Exogenous Variable Under Short-Tailed Symmetric Distributions

Bayrak, Özlem Türker; Dener Akkaya, Ayşen (Springer International Publishing AG, 2018-12)

In classical autoregressive models, it is assumed that the disturbances are normally distributed and the exogenous variable is non-stochastic. However, in practice, short-tailed symmetric disturbances occur frequently and ...
Inter-laboratory comparison scheme for fuel sector, LABKAR in Turkey

Bayrak, Özlem Türker; Okandan, Ender; Üçkardeş, Hale (Springer, 2009-08)

Fuel sector is one of the powerful sectors in Turkish industry. The implementation of a new law for regulating the fuel sector had enforced the quality control of fuels sold to public. This resulted in several accredited ...
Linear contrasts in one-way classification AR(1) model with gamma innovations

Şenoğlu, Birdal; Bayrak, Özlem Türker (Hacettepe Univ, Fac Sci, 2016-12)

In this study, the explicit estimators of the model parameters in oneway classification AR(1) model with gamma innovations are derived by using modified maximum likelihood (MML) methodology. We also propose a new test ...
Linear Profile Monitoring Adapted to Construct Early Warning System in Economics: A Pilot Study From Energy Sector

Türker Bayrak, Özlem; Aytaçoğlu, Burcu; Yüksel Haliloğlu, Ebru (2019)

In this study, control charts for monitoring linear profiles are adopted to early warning system (EWS) to see if global crises can be detected before they occur so that preventive actions can be taken by the policy makers. ...
Sample design and allocation for random digit dialling

Ayhan, H. Öztaş; Islam, M. Qamarul (Springer, 2005-10)

Sample design and sample allocation methods are developed for random digit dialling in household telephone surveys. The proposed method is based on a two-way stratification of telephone numbers. A weighted probability ...

Now showing items 1-9 of 9

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