Hakan Demirtas: search on Z-Library

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1

MultiOrd: An R Package for Generating Correlated Ordinal Data

Amatya, Anup, Demirtas, Hakan

Journal:

Communications in Statistics - Simulation and Computation

Year:

2015

Language:

english

File:

PDF, 235 KB

english, 2015

2

Multiple imputation under Bayesianly smoothed pattern-mixture models for non-ignorable drop-out

Journal:

Statistics in Medicine

Year:

2005

Language:

english

File:

PDF, 158 KB

english, 2005

3

A Practical Way for Computing Approximate Lower and Upper Correlation Bounds

Demirtas, Hakan, Hedeker, Donald

Journal:

The American Statistician

Year:

2011

Language:

english

File:

PDF, 197 KB

english, 2011

4

Multiple Imputation under the Generalized Lambda Distribution

Demirtas, Hakan

Journal:

Journal of Biopharmaceutical Statistics

Year:

2009

Language:

english

File:

PDF, 229 KB

english, 2009

5

C. Mallinckrodt andI. Lipkovich. ANALYZING LONGITUDINAL CLINICAL TRIAL DATA, A PRACTICAL GUIDE.(2017). Boca Raton, FL: Chapman and Hall/CRC Press. xxxiii + 295 pages, ISBN-13: 978-1498765312

Demirtas, Hakan

Journal:

Biometrical Journal

Year:

2018

Language:

english

File:

PDF, 115 KB

english, 2018

6

Analysis of binary outcomes with missing data: missing = smoking, last observation carried forward, and a little multiple imputation

Donald Hedeker, Robin J. Mermelstein, Hakan Demirtas

Journal:

Year:

2007

Language:

english

File:

PDF, 138 KB

english, 2007

7

Multiple Imputation for Longitudinal Data Under a Bayesian Multilevel Model

Demirtas, Hakan

Journal:

Communication in Statistics- Theory and Methods

Year:

2009

Language:

english

File:

PDF, 205 KB

english, 2009

8

Yield, quality and crop water stress index relationships for deficit-irrigated soybean [Glycine max (L.) Merr.] in sub-humid climatic conditions

Candogan, Burak Nazmi, Sincik, Mehmet, Buyukcangaz, Hakan, Demirtas, Cigdem, Goksoy, Abdurrahim Tanju, Yazgan, Senih

Journal:

Agricultural Water Management

Year:

2013

Language:

english

File:

PDF, 836 KB

english, 2013

9

Simultaneous Generation of Binary and Normal Data with Specified Marginal and Association Structures

Demirtas, Hakan, Doganay, Beyza

Journal:

Journal of Biopharmaceutical Statistics

Year:

2012

Language:

english

File:

PDF, 203 KB

english, 2012

10

A method for multivariate ordinal data generation given marginal distributions and correlations

Demirtas, Hakan

Journal:

Journal of Statistical Computation and Simulation

Year:

2006

Language:

english

File:

PDF, 106 KB

english, 2006

11

Generating Bivariate Uniform Data with a Full Range of Correlations and Connections to Bivariate Binary Data

Demirtas, Hakan

Journal:

Communication in Statistics- Theory and Methods

Year:

2014

Language:

english

File:

PDF, 97 KB

english, 2014

12

On accurate and precise generation of generalized Poisson variates

Demirtas, Hakan

Journal:

Communications in Statistics - Simulation and Computation

Year:

2014

Language:

english

File:

PDF, 317 KB

english, 2014

13

Computing the point-biserial correlation under any underlying continuous distribution

Demirtas, Hakan, Hedeker, Donald

Journal:

Communications in Statistics - Simulation and Computation

Year:

2014

Language:

english

File:

PDF, 808 KB

english, 2014

14

Review of tribological behavior of graphene coatings on piston rings in engines

Acunaş Karagöz, Zeynep Burcu, Demirtaş, Selman, Kaleli, Hakan, Yüksek, Levent, Çıtak, Emre

Journal:

Industrial Lubrication and Tribology

Year:

2019

File:

PDF, 1.05 MB

2019

15

Rounding Strategies for Multiply Imputed Binary Data

Journal:

Biometrical Journal

Year:

2009

Language:

english

File:

PDF, 184 KB

english, 2009

16

On the performance of bias–reduction techniques for variance estimation in approximate Bayesian bootstrap imputation

Hakan Demirtas, Lester M. Arguelles, Hwan Chung, Donald Hedeker

Journal:

Computational Statistics & Data Analysis

Year:

2007

Language:

english

File:

PDF, 134 KB

english, 2007

17

On imputing continuous data when the eventual interest pertains to ordinalized outcomes via threshold concept

Journal:

Computational Statistics & Data Analysis

Year:

2008

Language:

english

File:

PDF, 183 KB

english, 2008

18

Impact of non-normal random effects on inference by multiple imputation: A simulation assessment

Recai M. Yucel, Hakan Demirtas

Journal:

Computational Statistics & Data Analysis

Year:

2010

Language:

english

File:

PDF, 935 KB

english, 2010

19

Effect of Timing of Chest Tube Removal on Development of Pericardial Effusion Following Cardiac Surgery

Hakan Gercekoglu, Naz Bige Aydin, Bahadir Dagdeviren, Vedat Ozkul, Tufan Sener, Murat Demirtas, Tuna Tezel, Ergin Eren, Azmi Ozler

Journal:

Journal of Cardiac Surgery

Year:

2003

Language:

english

File:

PDF, 79 KB

english, 2003

20

On the performance of random-coefficient pattern-mixture models for non-ignorable drop-out

Hakan Demirtas, Joseph L. Schafer

Journal:

Statistics in Medicine

Year:

2003

Language:

english

File:

PDF, 172 KB

english, 2003

21

Gaussianization-based quasi-imputation and expansion strategies for incomplete correlated binary responses

Hakan Demirtas, Donald Hedeker

Journal:

Statistics in Medicine

Year:

2007

Language:

english

File:

PDF, 129 KB

english, 2007

22

The design of simulation studies in medical statistics by Andrea Burton, Douglas G. Altman, Patrick Royston and Roger L. Holder, Statistics in Medicine 2006; 25:4279–4292

Journal:

Statistics in Medicine

Year:

2007

Language:

english

File:

PDF, 50 KB

english, 2007

23

An imputation strategy for incomplete longitudinal ordinal data

Hakan Demirtas, Donald Hedeker

Journal:

Statistics in Medicine

Year:

2008

Language:

english

File:

PDF, 90 KB

english, 2008

24

Joint modeling of missing data due to non-participation and death in longitudinal aging studies by K. B. Rajan and S. E. Leurgans, Statistics in Medicine 2010; 29:2260–2268

Ofer Harel, Hakan Demirtas

Journal:

Statistics in Medicine

Year:

2011

Language:

english

File:

PDF, 63 KB

english, 2011

25

Body mass index, percent body fat, and bone mass in a cohort of Chinese twins aged 6 to 18 years

Lester M. Arguelles, Xiaobin Wang, Binyan Wang, Hakan Demirtas, Jianhua Yang, Zhiping Li, Liuliu Wang, Xue Liu, Genfu Tang, Houxun Xing, Xiping Xu

Journal:

Archives of Osteoporosis

Year:

2007

Language:

english

File:

PDF, 319 KB

english, 2007

26

Simulation driven inferences for multiply imputed longitudinal datasets

Journal:

Statistica Neerlandica

Year:

2004

Language:

english

File:

PDF, 146 KB

english, 2004

27

Imputing continuous data under some non-Gaussian distributions

Hakan Demirtas, Donald Hedeker

Journal:

Statistica Neerlandica

Year:

2008

Language:

english

File:

PDF, 526 KB

english, 2008

28

An Application of a Mixed-Effects Location Scale Model for Analysis of Ecological Momentary Assessment (EMA) Data

Donald Hedeker, Robin J. Mermelstein, Hakan Demirtas

Journal:

Year:

2008

Language:

english

File:

PDF, 182 KB

english, 2008

29

Bias and confounding in longitudinal measures of exhaled monoxides

Dorevitch, Samuel, Demirtas, Hakan, Scheff, Peter A, Persky, Victoria W

Journal:

Journal of Exposure Science and Environmental Epidemiology

Year:

2007

Language:

english

File:

PDF, 181 KB

english, 2007

30

Modeling between-subject and within-subject variances in ecological momentary assessment data using mixed-effects location scale models

Donald Hedeker, Robin J. Mermelstein, Hakan Demirtas

Journal:

Statistics in Medicine

Year:

2012

Language:

english

File:

PDF, 154 KB

english, 2012

31

Simulation of massive public health data by power polynomials

Hakan Demirtas, Donald Hedeker, Robin J. Mermelstein

Journal:

Statistics in Medicine

Year:

2012

Language:

english

File:

PDF, 137 KB

english, 2012

32

Two propensity score-based strategies for a three-decade observational study: investigating psychotropic medications and suicide risk

Andrew C. Leon, Hakan Demirtas, Chunshan Li, Donald Hedeker

Journal:

Statistics in Medicine

Year:

2012

Language:

english

File:

PDF, 87 KB

english, 2012

33

Performance of a propensity score adjustment in longitudinal studies with covariate-dependent representation

Andrew C. Leon, Donald Hedeker, Chunshan Li, Hakan Demirtas

Journal:

Statistics in Medicine

Year:

2012

Language:

english

File:

PDF, 212 KB

english, 2012

34

Andrew C. Leon, Ph.D. (1951–2012)

Donald Hedeker, Hakan Demirtas, Robert D. Gibbons

Journal:

Statistics in Medicine

Year:

2012

Language:

english

File:

PDF, 38 KB

english, 2012

35

Endotoxemia in coronary artery bypass surgery: A comparison of the off-pump technique and conventional cardiopulmonary bypass

Naz Bige Aydin, Hakan Gercekoglu, Burak Aksu, Vedat Ozkul, Tufan Sener, İlknur Kıygıl, Tansel Turkoglu, Serdar Cimen, Funda Babacan, Murat Demirtas

Journal:

The Journal of Thoracic and Cardiovascular Surgery

Year:

2003

Language:

english

File:

PDF, 85 KB

english, 2003

36

Oxidative Stress in the in vivo DMBA Rat Model of Breast Cancer: Suppression by a Voltage-gated Sodium Channel Inhibitor (RS100642)

Kadir Batcioglu, A. Burcin Uyumlu, Basri Satilmis, Battal Yildirim, Neslihan Yucel, Hakan Demirtas, Rustem Onkal, R. Mine Guzel, Mustafa B. A. Djamgoz

Journal:

Basic & Clinical Pharmacology & Toxicology

Year:

2012

Language:

english

File:

PDF, 136 KB

english, 2012

37

CPP and amlodipine alter the decrease in basal acetylcholine and choline release by audiogenic stimulus in hippocampus of ethanol-withdrawn rats in vivo

Turgay Çelik, Hakan Kayir, Mert Ceyhan, Serdar Demirtaş, Ahmet Coşar, I. Tayfun Uzbay

Journal:

Brain Research Bulletin

Year:

2004

Language:

english

File:

PDF, 142 KB

english, 2004

38

Efficacy of folic acid supplementation in stroke prevention: a meta-analysis

Xiaobin Wang, Xianhui Qin, Hakan Demirtas, Jianping Li, Guangyun Mao, Yong Huo, Ningling Sun, Lisheng Liu, Xiping Xu

Journal:

Year:

2007

Language:

english

File:

PDF, 135 KB

english, 2007

39

Folic acid for stroke prevention – Authors' reply

Xiaobin Wang, Xianhui Qin, Hakan Demirtas, Xiping Xu

Journal:

Year:

2007

Language:

english

File:

PDF, 38 KB

english, 2007

40

An anatomopathologic study of membranous septum aneurysms and significance of their surgical treatment

Mehmet Kaplan, M Murat Demırtaş, Hakan Sayrak, Serdar Çımen, Sabri Daǧsali, Azmi Özler

Journal:

Cardiovascular Surgery

Year:

2000

Language:

english

File:

PDF, 1.35 MB

english, 2000

41

Aortic valve endocarditis and cerebral mycotic aneurysm due to brucellosis

Refik Emre Altekin, Mustafa Serkan Karakas, Atakan Yanikoglu, Sinan Cemgil Ozbek, Baris Akdemir, Hakan Demirtas, Necmi Deger, Isil Saatci Cekirge

Journal:

Journal of Cardiology Cases

Year:

2011

Language:

english

File:

PDF, 530 KB

english, 2011

42

Detection of Chlamydia pneumoniae and Helicobacter pylori in atherosclerotic plaques of carotid artery by polymerase chain reaction

Mehmet Kaplan, Serap Simsek Yavuz, Bayer Cinar, Vedat Koksal, Mustafa Sinan Kut, Fikri Yapici, Hakan Gercekoglu, Mahmut Murat Demirtas

Journal:

International Journal of Infectious Diseases

Year:

2006

Language:

english

File:

PDF, 183 KB

english, 2006

43

Ovarian adenomyoma following gonadotrophin treatment for infertility

Ülkü Bayar, Ezgi Demirtas, Alp Usubütün, Mustafa Basaran, Ibrahim Esinler, Hakan Yarali

Journal:

Reproductive BioMedicine Online

Year:

2006

Language:

english

File:

PDF, 413 KB

english, 2006

44

The protective effect of quercetin on IMA levels and apoptosis in experimental ovarian ischemia-reperfusion injury

Gencer, Meryem, Karaca, Turan, Güngör, Ayşe N.C., Hacıvelioğlu, Servet Ö., Demirtaş, Selim, Turkon, Hakan, Uysal, Ahmet, Korkmaz, Fatma, Coşar, Emine, Hancı, Volkan

Journal:

European Journal of Obstetrics & Gynecology and Reproductive Biology

Year:

2014

Language:

english

File:

PDF, 3.66 MB

english, 2014

45

Inverse association between rural environment in infancy and sensitization to rodents in adulthood

Dorevitch, Samuel, Tharenos, Leslie, Demirtas, Hakan, Persky, Victoria, Artwohl, James, Fortman, Jeffrey D.

Journal:

Annals of Allergy, Asthma & Immunology

Year:

2007

Language:

english

File:

PDF, 102 KB

english, 2007

46

Demolition of High-Rise Public Housing Increases Particulate Matter Air Pollution in Communities of High-Risk Asthmatics

Dorevitch, Samuel, Demirtas, Hakan, Perksy, Victoria W., Erdal, Serap, Conroy, Lorraine, Schoonover, Todd, Scheff, Peter A.

Journal:

Journal of the Air & Waste Management Association (1995-)

Year:

2006

Language:

english

File:

PDF, 1.03 MB

english, 2006

47

Multiple Imputation Under Power Polynomials

Demirtas, Hakan, Hedeker, Donald

Journal:

Communications in Statistics - Simulation and Computation

Year:

2008

Language:

english

File:

PDF, 125 KB

english, 2008

48

Multiple Imputation of Continuous Data via a Semiparametric Probability Integral Transformation

Helenowski, Irene B., Demirtas, Hakan

Journal:

Journal of Biopharmaceutical Statistics

Year:

2014

Language:

english

File:

PDF, 549 KB

english, 2014

49

Subject-level matching for imbalance in cluster randomized trials with a small number of clusters

Leon, Andrew C., Demirtas, Hakan, Li, Chunshan, Hedeker, Donald

Journal:

Pharmaceutical Statistics

Year:

2013

Language:

english

File:

PDF, 111 KB

english, 2013

50

BinNor: An R Package for Concurrent Generation of Binary and Normal Data

Demirtas, Hakan, Amatya, Anup, Doganay, Beyza

Journal:

Communications in Statistics - Simulation and Computation

Year:

2014

Language:

english

File:

PDF, 124 KB

english, 2014