Robust AIC with High Breakdown Scale Estimate

Shokrya Saleh

Journal of Applied Mathematics, 2014, vol. 2014, 1-7

Abstract:

Akaike Information Criterion (AIC) based on least squares (LS) regression minimizes the sum of the squared residuals; LS is sensitive to outlier observations. Alternative criterion, which is less sensitive to outlying observation, has been proposed; examples are robust AIC (RAIC), robust Mallows Cp (RCp), and robust Bayesian information criterion (RBIC). In this paper, we propose a robust AIC by replacing the scale estimate with a high breakdown point estimate of scale. The robustness of the proposed methods is studied through its influence function. We show that, the proposed robust AIC is effective in selecting accurate models in the presence of outliers and high leverage points, through simulated and real data examples.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnljam:286414

DOI: 10.1155/2014/286414

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