Search Results - "Asar, Yasin"
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Liu-type estimator for the gamma regression model
Published in Communications in statistics. Simulation and computation (02-08-2020)“…In this paper, we propose a new biased estimator called Liu-type estimator in gamma regression models in the presence of collinearity. We also consider some…”
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2
A two-parameter estimator in linear measurement error model
Published in Statistics (Berlin, DDR) (04-07-2022)“…This article is concerned with the parameter estimation in linear measurement error model when there is ill-conditioned data. To deal with the…”
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3
SLASSO: a scaled LASSO for multicollinear situations
Published in Journal of statistical computation and simulation (13-10-2021)“…We propose a re-scaled LASSO by pre-multiplying the LASSO with a matrix term, namely, scaled LASSO (SLASSO), for multicollinear situations. Our numerical study…”
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4
Almost unbiased ridge estimator in Bell regression model: theory and application to plastic polywood data
Published in Statistics (Berlin, DDR) (02-09-2024)“…In this paper, a new regression estimator is proposed as an alternative to the ridge estimator in the case of multicollinearity in Bell regression model,…”
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5
An improved and efficient biased estimation technique in logistic regression model
Published in Communications in statistics. Theory and methods (02-05-2020)“…In this article, we propose a new improved and efficient biased estimation method which is a modified restricted Liu-type estimator satisfying some sub-space…”
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6
Liu-type estimator in Conway-Maxwell-Poisson regression model: theory, simulation and application
Published in Statistics (Berlin, DDR) (02-01-2024)“…Recently, many authors have been motivated to propose a new regression estimator in the case of multicollinearity. The most well-known of these estimators are…”
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7
A new biased estimation method in tobit regression: theory and application
Published in Journal of statistical computation and simulation (13-04-2021)“…In this study, the effects of multicollinearity on the maximum likelihood estimator are analyzed in the tobit regression model. It is known that the…”
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On the stochastic restricted Liu estimator in logistic regression model
Published in Journal of statistical computation and simulation (12-10-2020)“…In this paper, we study the effects of near-singularity which is known as multicollinearity in the binary logistic regression. Furthermore, we also assume the…”
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9
Inference for two Lomax populations under joint type-II censoring
Published in Communications in statistics. Simulation and computation (02-11-2022)“…Lomax distribution has been widely used in economics, business and actuarial sciences. Due to its importance, we consider the statistical inference of this…”
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10
Estimation in Weibull Distribution Under Progressively Type-I Hybrid Censored Data
Published in Revstat (01-10-2022)“…* In this article, we consider the estimation of unknown parameters of Weibull distribution when the lifetime data are observed in the presence of…”
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11
A jackknifed ridge estimator in probit regression model
Published in Statistics (Berlin, DDR) (03-07-2020)“…In this study, the effects of multicollinearity on the maximum likelihood estimator are analyzed in the probit regression model. It is known that the…”
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12
Liu-type shrinkage estimations in linear models
Published in Statistics (Berlin, DDR) (04-03-2022)“…In this study, we present the preliminary test, Stein-type and positive part Stein-type Liu estimators in the linear models when the parameter vector $…”
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13
EFFICIENCY OF THE PRINCIPAL COMPONENT LIU-TYPE ESTIMATOR IN LOGISTIC REGRESSION
Published in Revstat (01-07-2020)“…* In this paper we propose a principal component Liu-type logistic estimator by combining the principal component logistic regression estimator and Liu-type…”
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14
Influence Diagnostics in Two-Parameter Ridge Regression
Published in Journal of Data Science (04-03-2021)Get full text
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On the stochastic restricted Liu-type maximum likelihood estimator in logistic regression model
Published in Communications Series A1 Mathematics & Statistics (01-01-2019)“…In order to overcome multicollinearity, we propose a stochastic restricted Liu-type maximum likelihood estimator by incorporating Liu-type maximum likelihood…”
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16
Some new methods to solve multicollinearity in logistic regression
Published in Communications in statistics. Simulation and computation (21-04-2017)“…The binary logistic regression is a widely used statistical method when the dependent variable is binary or dichotomous. In some of the situations of logistic…”
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Almost unbiased Liu-type estimators in gamma regression model
Published in Journal of computational and applied mathematics (15-03-2022)“…The Liu-type estimator has been consistently demonstrated to be an attractive shrinkage method to reduce the effect of multicollinearity problem. It is known…”
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More on the restricted Liu estimator in the logistic regression model
Published in Communications in statistics. Simulation and computation (28-05-2017)“…Şiray et al. proposed a restricted Liu estimator to overcome multicollinearity in the logistic regression model. They also used a Monte Carlo simulation to…”
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Performance of the almost unbiased ridge-type principal component estimator in logistic regression model
Published in Communications in statistics. Simulation and computation (26-11-2018)“…This article considers some different parameter estimation methods in logistic regression model. In order to overcome multicollinearity, the almost unbiased…”
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20
A weighted stochastic restricted ridge estimator in partially linear model
Published in Communications in statistics. Theory and methods (17-09-2017)“…In this article, we consider the estimation of a partially linear model when stochastic linear restrictions on the parameter components are assumed to hold…”
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