Search Results - "Kaçiranlar, Selahatti̇n"
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Poisson and negative binomial regression models for zero-inflated data: an experimental study
Published in Communications Series A1 Mathematics & Statistics (30-06-2022)“…Count data regression has been widely used in various disciplines, particularly health area. Classical models like Poisson and negative binomial regression may…”
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2
Comments on "On the weighted mixed Liu-type estimator under unbiased stochastic restrictions"
Published in Communications in statistics. Theory and methods (01-02-2019)“…We make some comments about the paper of Yildiz ( 2017 ) and correct the theorems in that paper…”
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3
Admissible linear estimators in the general Gauss–Markov model under generalized extended balanced loss function
Published in Statistical papers (Berlin, Germany) (01-02-2023)“…This paper proposes a new generalized extended balanced loss function (GEBLF). Admissibility of linear estimators is characterized in the General Gauss–Markov…”
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4
On the performance of the poisson and the negative binomial ridge predictors
Published in Communications in statistics. Simulation and computation (03-07-2018)“…Mansson and Shukur ( 2011 ) investigated the performance of the Poisson ridge regression (PRR) estimator in terms of the mean square error (MSE) criterion…”
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A minimum matrix valued risk estimator combining restricted and ordinary least squares estimators
Published in Communications in statistics. Theory and methods (04-03-2023)“…In this article, attention is focused on the convex combination estimator, We have proved that the matrix valued risk of the new convex matrix estimator cannot…”
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Implementation and validation of new optimization methods by genetic algorithm for two‐parameter ridge estimator
Published in Concurrency and computation (10-05-2021)“…Two‐parameter estimators have increasing usage in the linear regression model concerning mitigating the problem of multicollinearity. In this type of biased…”
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7
Improved two-parameter estimators for the negative binomial and Poisson regression models
Published in Journal of statistical computation and simulation (22-09-2019)“…Negative binomial regression (NBR) and Poisson regression (PR) applications have become very popular in the analysis of count data in recent years. However, if…”
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8
On the performance of two parameter ridge estimator under the mean square error criterion
Published in Applied mathematics and computation (01-01-2013)“…Lipovetsky and Conklin [12] proposed an estimator, two parameter ridge (ridge-2) estimator, as an alternative to the ordinary least squares (OLS) and the…”
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9
Risk performance of some shrinkage estimators
Published in Communications in statistics. Simulation and computation (01-02-2021)“…Shrinkage estimators incorporating homogeneous and heterogeneous minimum mean square error estimators have a great deal of usage in the literature by means of…”
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10
Comparison of Liu and two parameter principal component estimator to combat multicollinearity
Published in Concurrency and computation (28-02-2022)“…Biased estimation methods like ridge regression, Liu‐type regression, two‐parameter regression and principal component regression have become very popular in…”
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11
Estimation in a linear regression model with stochastic linear restrictions: a new two-parameter-weighted mixed estimator
Published in Journal of statistical computation and simulation (13-06-2018)“…The present paper considers the weighted mixed regression estimation of the coefficient vector in a linear regression model with stochastic linear restrictions…”
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12
Optimal determination of the parameters of some biased estimators using genetic algorithm
Published in Journal of statistical computation and simulation (12-12-2019)“…In this paper, some new algorithms for estimating the biasing parameters of the ridge, Liu and two-parameter estimators are introduced with the help of genetic…”
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13
An optimal k of kth MA-ARIMA models under a class of ARIMA model
Published in Communications in statistics. Theory and methods (18-06-2017)“…In this article, we discuss finding the optimal k of (i) kth simple moving average, (ii) kth weighted moving average, and (iii) kth exponential weighted moving…”
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14
Developed first-order approximated estimators for the gamma distributed response variable
Published in Communications in statistics. Simulation and computation (03-08-2023)“…Generalized linear models (GLM) applications have become very popular in recent years. However, if there is a high degree of relationship between the…”
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15
The Almon two parameter estimator for the distributed lag models
Published in Journal of statistical computation and simulation (04-03-2017)“…The two parameter estimator proposed by Özkale and Kaçıranlar [The restricted and unrestricted two parameter estimators. Comm Statist Theory Methods…”
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16
Evaluation of the predictive performance of the r-k and r-d class estimators
Published in Communications in statistics. Theory and methods (18-04-2017)“…Multiple linear regression models are frequently used in predicting unknown values of the response variable y. In this case, a regression model's ability to…”
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17
An optimal k of kth MA-ARIMA models under MA(q) models
Published in Communications in statistics. Simulation and computation (03-07-2017)“…In this article, we discuss finding the optimal k of (i) kth simple moving average, (ii) kth weighted moving average, and (iii) kth exponential weighted moving…”
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18
Comment on a generalized stochastic restricted ridge regression estimator
Published in Communications in statistics. Theory and methods (19-05-2017)“…In this note, we make some comments about the paper of Alheety and Kibria ( 2014 ) and correct the wrongly proved Theorems in that paper…”
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The Restricted and Unrestricted Two-Parameter Estimators
Published in Communications in statistics. Theory and methods (09-11-2007)“…In this article, we introduce a new two-parameter estimator by grafting the contraction estimator into the modified ridge estimator proposed by Swindel ( 1976…”
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20
Two-stage Liu estimator in a simultaneous equations model
Published in Journal of statistical computation and simulation (24-07-2018)“…Two-stage least squares estimation in a simultaneous equations model has several desirable properties under the problem of multicollinearity. So, various kinds…”
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