2022
DOI: 10.3389/fams.2022.775068
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Dawoud–Kibria Estimator for Beta Regression Model: Simulation and Application

Abstract: The linear regression model becomes unsuitable when the response variable is expressed as percentages, proportions, and rates. The beta regression (BR) model is more appropriate for the variable of this form. The BR model uses the conventional maximum likelihood estimator (BML), and this estimator may not be efficient when the regressors are linearly dependent. The beta ridge estimator was suggested as an alternative to BML in the literature. In this study, we developed the Dawoud–Kibria estimator to handle mu… Show more

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Cited by 25 publications
(17 citation statements)
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“…In this section, we generated explanatory variables that are collinear and a response variable y that follows a zeroinflated bell distribution. e explanatory variables are obtained in line with the following studies [42][43][44][45][46][47][48]:…”
Section: Simulation Studymentioning
confidence: 99%
“…In this section, we generated explanatory variables that are collinear and a response variable y that follows a zeroinflated bell distribution. e explanatory variables are obtained in line with the following studies [42][43][44][45][46][47][48]:…”
Section: Simulation Studymentioning
confidence: 99%
“…[14], Abonazel and Dawoud [27], Algamal and Abonazel [28], Abonazel et al [15], and Abonazel et al [29]. So, the dependent variable has been censored using Equation (2).…”
Section: A Monte Carlo Simulationmentioning
confidence: 99%
“…Recently, Kibria and Lukman [9] proposed a new ridge-type estimator (NRTE). The NRTE has been extended in different regression models in different studies, such as Lukman et al [10], Lukman et al [11], Akram et al [12], Dawoud and Abonazel [13], Awwad et al [14], and Abonazel et al [15]. The multicollinearity is known to be a terrible problem in the Tobit model like in the LRM.…”
Section: Introductionmentioning
confidence: 99%
“…, x ip ) ′ is the vector of p regressors and η i is the linear predictor. This link function is strictly monotonic and twice differentiable [1,2,5,8,13,25]. Different link functions may be used for fitting the BRM as logit, probit, log-log, complementary log-log, and Cauchy link functions.…”
Section: Introductionmentioning
confidence: 99%
“…To prevent the undesirable effects of multicollinearity, many researchers have chosen to generalize the biased estimators used for linear regression models to apply on BRMs. For more detailed information about these proposed biased estimators in GLMs and BRMs, the articles [1][2][3][4][6][7][8][9][10]12,17,18,20,21,26,27] can be reviewed.…”
Section: Introductionmentioning
confidence: 99%