Prof.Dr. NURSEL KOYUNCU

KOYUNCU N., Al-Omari A. I.

COMPUTATIONAL STATISTICS , cilt.36, sa.2, ss.1093-1121, 2021 (SCI-Expanded)

Generalized robust-regression-type estimators under different ranked set sampling

MATHEMATICAL SCIENCES , cilt.15, ss.29-40, 2021 (SCI-Expanded)

Neoteric ranked set sampling for robust (X)over-bar and R control charts

SOFT COMPUTING , cilt.24, sa.22, ss.17195-17204, 2020 (SCI-Expanded)

A Niftymean chart method based onmedian ranked set sampling design

Al-Omari A. I. F., KOYUNCU N., Alanzi A. R. A.

SOFT COMPUTING , cilt.24, sa.7, ss.5199-5216, 2020 (SCI-Expanded)

Proportional hazards model under ranked set sampling scheme using censored data of coronary heart disease

KOYUNCU N., Tutkun N. A.

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , cilt.49, sa.1, ss.458-477, 2020 (SCI-Expanded)

New Acceptance Sampling Plans Based on Truncated Life Tests for Akash Distribution With an Application to Electric Carts Data

IEEE ACCESS , cilt.8, ss.201393-201403, 2020 (SCI-Expanded)

Discrete-time survival analysis under ranked set sampling: an application to Turkish motor insurance data

Tutkun N. A., KOYUNCU N., KARABEY U.

JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION , cilt.89, sa.4, ss.660-667, 2019 (SCI-Expanded)

A new estimator for mean under stratified random sampling

Shahzad U., Hanif M., KOYUNCU N.

MATHEMATICAL SCIENCES , cilt.12, sa.3, ss.163-169, 2018 (SCI-Expanded)

Calibration estimator of population mean under stratified ranked set sampling design

COMMUNICATIONS IN STATISTICS-THEORY AND METHODS , cilt.47, sa.23, ss.5845-5853, 2018 (SCI-Expanded)

New mean charts for bivariate asymmetric distributions using different ranked set sampling designs

QUALITY TECHNOLOGY AND QUANTITATIVE MANAGEMENT , cilt.15, sa.5, ss.602-621, 2018 (SCI-Expanded)

New difference-cum-ratio and exponential type estimators in median ranked set sampling

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , cilt.45, sa.1, ss.207-226, 2016 (SCI-Expanded)

Calibration Weighting in Stratified Random Sampling

COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION , cilt.45, sa.7, ss.2267-2275, 2016 (SCI-Expanded)

A new calibration estimator in stratified double sampling

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , cilt.43, sa.2, ss.337-346, 2014 (SCI-Expanded)

NUMERICAL SOLUTION TO THE OPTIMIZATION PROBLEM IN SAMPLING

KOYUNCU N., YENIAY O.

PAKISTAN JOURNAL OF STATISTICS , cilt.30, sa.2, ss.285-289, 2014 (SCI-Expanded)

Exponential-Type Estimators of the Mean of a Sensitive Variable in the Presence of Nonsensitive Auxiliary Information

KOYUNCU N., GUPTA S., Sousa R.

COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION , cilt.43, sa.7, ss.1583-1594, 2014 (SCI-Expanded)

Efficient estimators of population mean using auxiliary attributes

APPLIED MATHEMATICS AND COMPUTATION , cilt.218, sa.22, ss.10900-10905, 2012 (SCI-Expanded)

ON THE FAMILY OF ESTIMATORS OF POPULATION MEAN IN STRATIFIED RANDOM SAMPLING

PAKISTAN JOURNAL OF STATISTICS , cilt.26, sa.2, ss.427-443, 2010 (SCI-Expanded)

On improvement in estimating population mean in stratified random sampling

JOURNAL OF APPLIED STATISTICS , cilt.37, sa.6, ss.999-1013, 2010 (SCI-Expanded)

EFFICIENT ESTIMATORS FOR THE POPULATION MEAN

HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS , cilt.38, sa.2, ss.217-225, 2009 (SCI-Expanded)

Ratio and product estimators in stratified random sampling

JOURNAL OF STATISTICAL PLANNING AND INFERENCE , cilt.139, sa.8, ss.2552-2558, 2009 (SCI-Expanded)

Family of Estimators of Population Mean Using Two Auxiliary Variables in Stratified Random Sampling

Samuh M. H., Al-Omari A. I., KOYUNCU N.

COMMUNICATIONS IN STATISTICS-THEORY AND METHODS , cilt.38, sa.14, ss.2398-2417, 2009 (SCI-Expanded)

Diğer Dergilerde Yayınlanan Makaleler

A new family of robust regression estimators utilizing robust regression tools and supplementary attributes

Sajjad I., Hanif M., KOYUNCU N., Shahzad U., Al-Noor N. H.

Statistics in Transition New Series , cilt.22, sa.1, ss.207-216, 2021 (Scopus)

ESTIMATION OF POPULATION MEAN UNDER DIFFERENT STRATIFIED RANKED SET SAMPLING DESIGNS WITH SIMULATION STUDY APPLICATION TO BMI DATA

Cetin A. E., KOYUNCU N.

COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS , cilt.69, sa.1, ss.560-575, 2020 (ESCI)

ESTIMATION OF THE PARAMETERS OF THE NEW WEIBULL-PARETO DISTRIBUTION USING RANKED SET SAMPLING

STATISTICA , cilt.80, sa.1, ss.103-123, 2020 (ESCI)

Some new classes of estimators under linear systematic sampling in absence and presence of non-response

Shahzad U., Hanif M., KOYUNCU N.

JOURNAL OF STATISTICS & MANAGEMENT SYSTEMS , cilt.22, sa.6, ss.1067-1091, 2019 (ESCI)

A Family of Ratio Estimators in Stratified Random Sampling Utilizing Auxiliary Attribute Along Side the Nonresponse Issue

Shahzad U., Hanif M., KOYUNCU N., Garcia Luengo A. V.

JOURNAL OF STATISTICAL THEORY AND APPLICATIONS , cilt.18, sa.1, ss.12-25, 2019 (ESCI)

Estimation of Mean of a Sensitive Quantitative Variable in Complex Survey: Improved Estimator and Scrambled Randomized Response Model

Saleem I., Sanaullah A., KOYUNCU N., Hanif M.

GAZI UNIVERSITY JOURNAL OF SCIENCE , cilt.32, sa.3, ss.1021-1043, 2019 (ESCI)

Improvement estimation on two successive occasions in cluster sampling

Luengo G., Victoria A., Shahzad U., KOYUNCU N., Muhammad H.

PAKISTAN JOURNAL OF STATISTICS AND OPERATION RESEARCH , cilt.15, sa.4, ss.1037-1050, 2019 (ESCI)

A REGRESSION TYPE ESTIMATOR FOR MEAN ESTIMATION UNDER RANKED SET SAMPLING ALONGSIDE THE SENSITIVITY ISSUE

Shahzad U., Hanif M., KOYUNCU N., Garcia Luengo A. V.

COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS , cilt.68, sa.2, ss.2037-2049, 2019 (ESCI)

An efficient generalized family of estimators for mean estimation under simple random sampling

Shahzad U., Hanif M., KOYUNCU N., Luengo A. V. G., Khan N.

Investigacion Operacional , cilt.40, sa.1, ss.28-45, 2019 (Scopus)

A new estimator of mean under ranked set sampling alongside the sensitivity issue

Shahzad U., Hanif M., KOYUNCU N., Garcia Luengo A. V.

JOURNAL OF STATISTICS & MANAGEMENT SYSTEMS , cilt.21, sa.8, ss.1553-1564, 2018 (ESCI)

On the estimation of population variance using auxiliary attribute in absence and presence of non-response

Shahzad U., Hanif M., KOYUNCU N., Sanaullah A.

ELECTRONIC JOURNAL OF APPLIED STATISTICAL ANALYSIS , cilt.11, sa.2, ss.608-621, 2018 (ESCI)

Generalized Exponential-Type Estimators for Population Mean Taking Two Auxiliary Variables for Unknown Means in Stratified Sampling with Sub-sampling the Non-Respondents

Sanaullah A., Noor ul Amin M., Hanif M., KOYUNCU N.

International Journal of Applied and Computational Mathematics , cilt.4, sa.2, 2018 (Scopus)

Regression Estimators in Ranked Set, Median Ranked Set and Neoteric Ranked Set Sampling

PAKISTAN JOURNAL OF STATISTICS AND OPERATION RESEARCH , cilt.14, sa.1, ss.89-94, 2018 (ESCI)

On efficiency of cluster sampling on sampling on two occasions when there is non-response

Garcia Luengo A. V., Shahzad U., KOYUNCU N., Hanif M.

JOURNAL OF STATISTICS & MANAGEMENT SYSTEMS , cilt.21, sa.1, ss.139-162, 2018 (ESCI)

A NEW FAMILY OF ESTIMATORS FOR MEAN ESTIMATION ALONG SIDE THE SENSITIVITY ISSUE

Shahzad U., Hanif M., Koyuncu N., Garcia Luengo A. V.

JOURNAL OF RELIABILITY AND STATISTICAL STUDIES , cilt.10, sa.2, ss.43-63, 2017 (ESCI)

SHEWHART MEAN AND RANGE CONTROL CHARTS USING NEWRANKED SET SAMPLING SCHEMES

Journal of the Turkish Statistical Association , cilt.10, 2017 (Hakemli Dergi)

Preface of the "symposium on Recent Advances in Statistical Theory and Applications"

AIP Conference Proceedings , cilt.1863, 2017 (Scopus)

Estimation of population variance using quartiles in absence and presence of non-response

Shahzad U., Hanif M., KOYUNCU N., Garcia Luengo A. V.

GAZI UNIVERSITY JOURNAL OF SCIENCE , cilt.30, sa.2, ss.205-218, 2017 (ESCI)

Improved Exponential Type Estimators for Finite Population Mean in Stratified Random Sampling

PAKISTAN JOURNAL OF STATISTICS AND OPERATION RESEARCH , cilt.12, sa.3, ss.429-441, 2016 (ESCI)

Preface of the "symposium on recent advances in statistics"

AIP Conference Proceedings , cilt.1648, 2015 (Scopus)

Ratio estimation of the population mean in extreme ranked set and double robust extreme ranked set sampling

International Journal of Agricultural and Statistical Sciences , cilt.11, sa.1, ss.21-28, 2015 (Scopus)

On improvement in estimating median in two phase sampling using two auxiliary information

International Journal of Agricultural and Statistical Sciences , cilt.10, sa.1, ss.27-33, 2014 (Scopus)

Preface of the "symposium on advances in sampling theory and applications"

AIP Conference Proceedings , cilt.1558, ss.1437, 2013 (Scopus)

Families of Estimators for Population Mean Using Information on Auxiliary Attribute in Stratified Random Sampling

GAZI UNIVERSITY JOURNAL OF SCIENCE , cilt.26, sa.2, ss.181-193, 2013 (ESCI)

Hakemli Kongre / Sempozyum Bildiri Kitaplarında Yer Alan Yayınlar

Various ranked set sampling designs to construct mean charts for monitoring the skewed normal process

International Statistics Congress, 6 - 08 Aralık 2017

Shewhart X and S charts for bivariate normal distribution under ranked set, median ranked set and neoteric ranked set sampling schemes

International Symposium on Econometrics, Operations Research and Statistics, 5 - 07 Ekim 2017

Robust shewhart contol charts by using ranked set sampling and neoteric ranked set sampling schemes

Robust shewhart contol charts by using ranked set sampling and neoteric ranked set sampling schemes, 24 - 28 Temmuz 2017

Ratio Estimation of Population Mean based on Truncated Ranked Set Sampling

International Conference on Numerical Analysis and Applied Mathematics (ICNAAM), Rhodes, Yunanistan, 19 - 25 Eylül 2016, cilt.1863

Improved Ratio Estimation of Population Mean under Median and Neoteric Ranked Set Sampling

International Conference on Numerical Analysis and Applied Mathematics (ICNAAM), Rhodes, Yunanistan, 19 - 25 Eylül 2016, cilt.1863

A Class of Estimators of Finite Population Variance in Simple Random Sampling

International Conference on Numerical Analysis and Applied Mathematics (ICNAAM), Rhodes, Yunanistan, 22 - 28 Eylül 2014, cilt.1648

Exponential Estimators of Finite Population Variance in Simple Random Sampling

KOYUNCU N., ÖZEL KADILAR G.

International Conference on Numerical Analysis and Applied Mathematics (ICNAAM), Rhodes, Yunanistan, 22 - 28 Eylül 2014, cilt.1648

Exponential Estimators using Characteristics of Poisson Distribution An Application to Earthquake Data

ICNAAM 2013, 22 Eylül 2013

Efficient Combined Estimators of Population Mean using Auxiliary Attribute under Stratified Random Sampling

11th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM), Yunanistan, 21 - 27 Eylül 2013, cilt.1558, ss.1466-1469

A CLASS OF ESTIMATORS OF POPULATION VARIANCE IN STRATIFIED RANDOM SAMPLING