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A Sequential Shrinkage Estimating Method for Tobit Regression Model

A Sequential Shrinkage Estimating Method for Tobit Regression Model
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摘要 <span style="font-family:Verdana;">In the applications of Tobit regression models we always encounter the data sets which contain too many variables that only a few of them contribute to the model. Therefore, it will waste much more samples to estimate the “non-effective” variables in the inference. In this paper, we use a sequential procedure for constructing the fixed size confidence set for the “effective” parameters to the model by using an adaptive shrinkage estimate such that the “effective” coefficients can be efficiently identified with the minimum sample size based on Tobit regression model. Fixed design is considered for numerical simulation.</span> <span style="font-family:Verdana;">In the applications of Tobit regression models we always encounter the data sets which contain too many variables that only a few of them contribute to the model. Therefore, it will waste much more samples to estimate the “non-effective” variables in the inference. In this paper, we use a sequential procedure for constructing the fixed size confidence set for the “effective” parameters to the model by using an adaptive shrinkage estimate such that the “effective” coefficients can be efficiently identified with the minimum sample size based on Tobit regression model. Fixed design is considered for numerical simulation.</span>
作者 Haibo Lu Cuiling Dong Juling Zhou Haibo Lu;Cuiling Dong;Juling Zhou(School of Mathematical Sciences, Xinjiang Normal University, Urumqi, China)
出处 《Open Journal of Modelling and Simulation》 2021年第3期275-280,共6页 建模与仿真(英文)
关键词 Tobit Regression Models Adaptive Shrinkage Estimate Minimum Sample Size Fixed Design Tobit Regression Models Adaptive Shrinkage Estimate Minimum Sample Size Fixed Design
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