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- W4287557081 abstract "Model selection is basically a process of finding the best model from the subset of models in which the explanatory variables are effective on the response variable. The log likelihood function for the lack of fit term and a specified penalty term are used as two parts in a model selection criteria. In this paper, we derive a new tool for the model selection in robust regression. We introduce a new definition of relative entropy based on objective functions. Due to the analytical simplicity, we use Huber's objective function $rho_H$ and propose our specified penalty term $C_0^{rho_H}$ to derive new Information Complexity Criterion ($RICOMP_{C_0^{rho_H}}$) as a robust model selection tool. Additionally, by using the properties of $C_0^{rho_H}$, we propose a new value of tuning parameter called $k_{C_0}$ for the Huber's $rho_H$. If a contamination to normal distribution exists, $RICOMP_{C_0^{rho_H}}$ chooses the true model better than the rival ones. Monte Carlo Simulation studies are carried out to show the utility both of $k_{C_0}$ and $RICOMP_{C_0^{rho_H}}$. A real data example is also given." @default.
- W4287557081 created "2022-07-25" @default.
- W4287557081 creator A5008470963 @default.
- W4287557081 creator A5087790391 @default.
- W4287557081 date "2020-12-04" @default.
- W4287557081 modified "2023-10-01" @default.
- W4287557081 title "Information Complexity Criterion for Model Selection in Robust Regression Using A New Robust Penalty Term" @default.
- W4287557081 doi "https://doi.org/10.48550/arxiv.2012.02468" @default.
- W4287557081 hasPublicationYear "2020" @default.
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