Yayınlar & Eserler

Yayın Ağı
SCI, SSCI ve AHCI İndekslerine Giren Dergilerde Yayınlanan Makaleler

Utilizing stochastic prior information for replicated ultrastructural measurement error models in case of multicollinearity

Üstündağ Şiray G.
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION , ss.1-22, 2024 (SCI-Expanded) identifier

Improvement of simultaneous prediction using principal components approach

Üstündağ Şiray G.
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION , 2024 (SCI-Expanded) identifier

Simultaneous prediction using target function based on principal components estimator with correlated errors

Üstündağ Şiray G.
STATISTICAL PAPERS , cilt.64, sa.5, ss.1527-1628, 2023 (SCI-Expanded) identifier identifier

Consistent ridge estimation for replicated ultrastructural measurement error models

Üstündağ Şiray G.
COMMUNICATIONS IN STATISTICS -THEORY AND METHODS , cilt.0, ss.1-21, 2023 (SCI-Expanded)

Comparing ordinary ridge and generalized ridge regression results obtained using genetic algorithms for ridge parameter selection

Ndabashinze B., Siray G.
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION , cilt.51, sa.10, ss.6159-6169, 2022 (SCI-Expanded) identifier identifier
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Two-parameter estimation for Tobit model: An application to national health and nutrition examination survey dataset

ÖZBAY N., ÜSTÜNDAĞ ŞİRAY G., TOKER KUTAY S., Yenilmez I.
CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE , cilt.34, sa.18, 2022 (SCI-Expanded) identifier identifier
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Defining a two-parameter estimator: a mathematical programming evidence

ÜSTÜNDAĞ ŞİRAY G., TOKER KUTAY S., ÖZBAY N.
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION , cilt.91, sa.11, ss.2133-2152, 2021 (SCI-Expanded) identifier identifier

Tobit Liu estimation of censored regression model: an application to Mroz data and a Monte Carlo simulation study

TOKER KUTAY S., ÖZBAY N., ÜSTÜNDAĞ ŞİRAY G., Yenilmez I.
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION , cilt.91, sa.6, ss.1061-1091, 2021 (SCI-Expanded) identifier identifier

New activation functions for single layer feedforward neural network

KOÇAK Y., ÜSTÜNDAĞ ŞİRAY G.
EXPERT SYSTEMS WITH APPLICATIONS , cilt.164, 2021 (SCI-Expanded) identifier identifier
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    • Citation Indexes: 45
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    • Readers: 73
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Principal components estimator for measurement error models

Siray G.
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION , cilt.90, sa.6, ss.1022-1038, 2020 (SCI-Expanded) identifier identifier

Liu estimation approach to the measurement error models

Siray G.
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION , cilt.89, sa.18, ss.3453-3496, 2019 (SCI-Expanded) identifier identifier

On the Restricted Liu Estimator in the Logistic Regression Model

Siray G. U., Toker S., KAÇIRANLAR S.
COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION , cilt.44, sa.1, ss.217-232, 2015 (SCI-Expanded) identifier identifier

r-d Class Estimator Under Misspecification

Siray G.
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS , cilt.44, sa.22, ss.4742-4756, 2015 (SCI-Expanded) identifier identifier

r - k Class estimator in the linear regression model with correlated errors

Siray G., KAÇIRANLAR S., SAKALLIOĞLU S.
STATISTICAL PAPERS , cilt.55, sa.2, ss.393-407, 2014 (SCI-Expanded) identifier identifier

Modified and Restricted r-k Class Estimators

Siray G.
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS , cilt.43, sa.24, ss.5130-5155, 2014 (SCI-Expanded) identifier identifier

RESTRICTED TWO PARAMETER RIDGE ESTIMATOR

Siray G., Toker S.
AUSTRALIAN & NEW ZEALAND JOURNAL OF STATISTICS , cilt.55, sa.4, ss.455-469, 2013 (SCI-Expanded) identifier identifier

Inequality constrained ridge regression estimator

Toker S., Siray G., KAÇIRANLAR S.
STATISTICS & PROBABILITY LETTERS , cilt.83, sa.10, ss.2391-2398, 2013 (SCI-Expanded) identifier identifier

Superiority of the r-k Class Estimator Over Some Estimators In A Linear Model

Siray G., SAKALLIOĞLU S.
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS , cilt.41, sa.15, ss.2819-2832, 2012 (SCI-Expanded) identifier identifier
Diğer Dergilerde Yayınlanan Makaleler

Performance Evaluation of Swish-Based Activation Functions for Multi-Layer Networks

Koçak Y., Üstündağ Şiray G.
Artificial Intelligence Studies (AIS) , cilt.5, sa.1, ss.1-13, 2022 (Hakemli Dergi)

COMPARISONS OF SOME BIASED ESTIMATORS FOR LINEAR MEASUREMENT ERROR MODELS

Üstündağ Şiray G., İncekaş C.
Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering , cilt.21, sa.3, ss.421-435, 2020 (Hakemli Dergi)

Genetic Algorithms Applied to Fractional Polynomials for Power Selection: Application to Diabetes Data

Ndabashinze B., ÜSTÜNDAĞ ŞİRAY G., Scrucca L.
Turkish journal of forecasting , cilt.3, sa.1, ss.15-25, 2019 (Hakemli Dergi) Sürdürülebilir Kalkınma

Comparisons of the generalized Liu and the ordinary Liu estimators to the ordinary least squares estimator unde the Pitmans?s closeness criterion

ÜSTÜNDAĞ ŞİRAY G., SAKALLIOĞLU S.
Far East Journal of Theoretical Statistics , cilt.38, sa.1, ss.37-47, 2012 (Hakemli Dergi)

Inadmissibility of The Liu Estimator To The Ordinary Least Squares Estimator

ÜSTÜNDAĞ ŞİRAY G., SAKALLIOĞLU S.
ADVANCES AND APPLICATIONS IN STATISTICS , cilt.19, sa.1, ss.21-32, 2010 (ESCI)
Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler

A New Predictor for Simultaneous Prediction in Linear Regression Model

Üstündağ Şiray G.
6th International Conference on Mathematics, İstanbul, Türkiye, 21 - 24 Haziran 2022, ss.16

A NEW PREDICTOR OF TARGET FUNCTION FOR PREDICTION OUTSIDE THE SAMPLE

Üstündağ Şiray G.
10th International İstanbul Scientific Research Congress, İstanbul, Türkiye, 23 - 25 Temmuz 2022, ss.87

PERFORMANCE EVALUATION OF SOME NEW PREDICTORS FOR SIMULTANEOUS PREDICTION IN LINEAR REGRESSION MODEL

Üstündağ Şiray G.
10th International İstanbul Scientific Research Congress, İstanbul, Türkiye, 23 - 25 Temmuz 2022, ss.88

’Performance Evaluation of Swish Based Activation Functions For Multi Layer Networks

Koçak Y., Üstündağ Şiray G.
International Conference on Engineering Technologies, ICENTE’21 , Konya, Türkiye, 18 - 21 Kasım 2021, ss.47

Simultaneous Prediction with Target Function in Case of Multicollinearity

Üstündağ Şiray G.
8th International Conference on Recent Advances in Pure and Applied Mathematics (ICRAPAM2021), Muğla, Türkiye, 24 - 27 Eylül 2021, ss.146

Comparison of Statistical and Neural Regression Using Activation Functions Derived from Swish Activation Function

Koçak Y., Üstündağ Şiray G.
ICAME’21 The Second International Conference on Applied Mathematics in Engineering, Balıkesir, Türkiye, 1 - 03 Eylül 2021, ss.56

Applying a New Tobit Estimation Method to a Labor Supply Dataset

Toker Kutay S., Üstündağ Şiray G., Özbay N., Yenilmez İ.
IECMSA-2021 10th International Eurasian Conference On Mathematical Sciences and Applications, Sakarya, Türkiye, 25 - 27 Ağustos 2021, ss.182

Estimation In Replicated Ultrastructural Measurement Error Models By Improving Corrected Score Function

ÜSTÜNDAĞ ŞİRAY G.
International Marmara Sciences Congress IMASCON 2020 - Autumn, Türkiye, 4 - 05 Aralık 2020

Comparison of Statistical and Neural Regression Using Different Activation Functions

KOÇAK Y., ÜSTÜNDAĞ ŞİRAY G.
5th International Mediterranean SCIENCE AND ENGINEERING CONGRESS 2020, Türkiye, 21 Ekim 2020

Biased Estimation Approach to the Measurement Error Models

İncekaş C., Üstündağ Şiray G.
ICOAEF’19, VI International Conference on Applied Economics and Finance & Extended with Social Sciences, Balıkesir, Türkiye, 16 - 17 Ekim 2019, ss.148

Liu Estimation for Tobit Regression Model

TOKER KUTAY S., ÖZBAY N., ÜSTÜNDAĞ ŞİRAY G., YENİLMEZ İ.
20th International Symposium on Econometrics, Operations Research and Statistics (EYİ 2020), Ankara, Türkiye, 12 - 14 Şubat 2020

Developing a First Order Two Parameter Estimator for Generalized Linear Model

Toker Kutay S., Üstündağ Şiray G., Qasim M.
11th International Statistics Congress, Muğla, Türkiye, 4 - 08 Ekim 2019, ss.987-1001

Liu and Restricted Liu Estimators in Linear Measurement Error Models

Üstündağ Şiray G.
11th International Statistics Congress, Muğla, Türkiye, 4 - 08 Ekim 2019, ss.38

Examination of a two parameter estimator with mathematical programming method

ÖZBAY N., TOKER KUTAY S., ÜSTÜNDAĞ ŞİRAY G.
International Conference on Mathematics and Mathematics Education (ICMME 2019), Konya, Türkiye, 11 - 13 Temmuz 2019, ss.203-204

A comparison of Conventional Statistical Regression Analysis and Fuzzy Regression

KOÇAK Y., ÜSTÜNDAĞ ŞİRAY G.
The 5th International Fuzzy Systems Symposium, Ankara, Türkiye, 14 - 15 Ekim 2017, ss.90 Creative Commons License

Ölçüm Hatalı Modellerde Ranklara Dayalı Yöntem ile Parametre Tahmini

TOTİK N., ÜSTÜNDAĞ ŞİRAY G.
XVIII. National and I. International Biostatistics Congress, Antalya, Türkiye, 26 - 29 Ekim 2016, ss.122-123

Ölçüm Hatalı Modellerde Gruplandırma Yöntemleriyle Parametre Tahmini

TOTİK N., ÜSTÜNDAĞ ŞİRAY G.
XVIII. National and I. International Biostatistics Congress, Antalya, Türkiye, 26 - 29 Ekim 2016, ss.67-68

Dealing With Measurement Errors In Linear Regression Models

TOTİK N., ÜSTÜNDAĞ ŞİRAY G., ALPARSLAN Z. N.
The 8th Conference Of Eastern Mediterranean Region Internationel Biometric Society, 11 - 13 Mayıs 2015

A New Restricted Estimator

ÜSTÜNDAĞ ŞİRAY G., TOKER S.
International 8th Statistics Congress, Antalya, Türkiye, 27 - 30 Ekim 2013, ss.110-111

lnequality Constrained Ridge Regression Estimation

TOKER S., ÜSTÜNDAĞ ŞİRAY G., KAÇIRANLAR S.
14th International Symposium On Econometrics, Operations Research and Statistics, Sarajevo, Bosna-Hersek, 24 - 28 Mayıs 2013, ss.339

On the restricted Liu estimator for the logistic regression model

Siray G. U., TOKER S., KAÇIRANLAR S., ÜSTÜNDAĞ ŞİRAY G.
8. Uluslararası İstatistik Günleri Sempozyumu, Eskişehir, Türkiye, 11 - 13 Ekim 2012, ss.1

Liu Tahmin Edici İle En Küçük Kareler Tahmin Edicinin Mahalanobis Kayıp Fonksiyonu Altında Karşılaştırılması

ÜSTÜNDAĞ ŞİRAY G., SAKALLIOĞLU S.
Uluslararası 7. İstatistik Kongresi, Antalya, Türkiye, 28 Nisan - 01 Mayıs 2011, ss.204-205
Metrikler

Yayın

45

Atıf (WoS)

74

H-İndeks (WoS)

5

Atıf (Scopus)

91

H-İndeks (Scopus)

5

Proje

4

Tez Danışmanlığı

5
BM Sürdürülebilir Kalkınma Amaçları