İstatistik Bölümü Makale Koleksiyonu: Güncel gönderi
Toplam kayıt 85, listelenen: 61-80
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Forecasting Turkey Balance Of Trade With Box-Jenkins Models
(Bilgesel Yayincilik San & Tic Ltd, 2009)Foreign trade deficits are among the chronical problems of Turkey. Though export values have followed an increasing trend with the outward oriented development strategy adopted since 1980s, greater increase of import than ... -
Forecasting Nonlinear Time Series With A Hybrid Methodology
(Pergamon-Elsevier Science Ltd, 2009)In recent years, artificial neural networks (ANNs) have been used for forecasting in time series in the literature. Although it is possible to model both linear and nonlinear structures in time series by using ANNs, they ... -
Evaluation Of The Efficacy Of The Continuation Electroconvulsive Therapy In Treatment-Resistant Schizophrenia
(Univ Sao Paulo, Inst Psiquiatria, 2014)Background: Electroconvulsive therapy (ECT) has been reported being a safe and effective treatment in schizophrenia. However, there are a limited number of studies assessing continuation ECT utilization in patients with ... -
Efficiency Of State Universities In Turkey During The 2014-2015 Academic Year And Determination Of Factors Affecting Efficiency
(Turkish Education Assoc, 2017)The concepts of efficiency and productivity are of vital importance in a world of limited resources. In this study, the productivity of state universities in Turkey is determined through data envelopment analysis, and the ... -
Does N Ratio Affect Survival In D1 and D2 Lymph Node Dissection For Gastric Cancer?
(Baishideng Publ Grp Co Ltd, 2011)AIM: To identify whether there could have been changes in survival if lymph node ratio (N ratio) had been used. METHODS: We assessed 334 gastric adenocarcinoma cases retrospectively between 2001 and 2009. Two hundred and ... -
Differentially Regulated Adamts1, 8, And 18 In Gastric Adenocarcinoma
(Comenius Univ, 2017)OBJECTIVE: The aim is to investigate the expression status of ADAMTS1,8, and 18 proteases in gastric cancer (GC) and lymphatic metastasis. BACKGROUND: A disintegrin and metalloprotease with thrombospondin motifs (ADAMTS) ... -
Efficiency Analysis Of Foundation Universities In Turkey
(Turkish Education Assoc, 2015)Inadequacy of ratio analysis and parametric methods when comparing educational institutions and failure to achieve success in determining the most effective institutions, decision makers have led to the use of the Data ... -
A Comparative Study on Optimization Methods For The Constrained Nonlinear Programming Problems
(Hindawi Publishing Corporation, 2005) -
Comparison Of Efficacy Between Low-Fluence And Half-Dose Verteporfin Photodynamic Therapy For Chronic Central Serous Chorioretinopathy
(2014)Purpose To compare the efficacy of low-fluence photodynamic therapy (PDT) and PDT with half-dose verteporfin in chronic central serous chorioretinopathy (CSC). Patients and methods The medical records of 64 eyes from 60 ... -
ANOVA Modellerinde Kareler Toplamı Yöntemlerinin Karşılaştırılması
(Kafkas Univ, Veteriner Fakultesi Dergisi, 2009)The total sum of squares in ANOVA models is decomposed and the significances of the main term and interaction terms are tested. The four different methods called as Type I, II, III, and IV are used for calculating the sum ... -
Bayesian Estimation of Order-Restricted and Unrestricted Association Models
(Elsevier Inc, 2013)Association models include score parameters to multiplicatively represent the hierarchy between the levels of the considered ordinal factor. If order restrictions are placed on the scores, an estimation problem becomes a ... -
Autocorrelation Corrected Standard Error For Two Sample T-Test Under Serial Dependence
(Hacettepe Univ, Fac Sci, 2017)The classical two-sample t-test assumes that observations are independent. A violation of this assumption could lead to inaccurate results and incorrectly analyzing data leads to erroneous statistical inferences. However, ...