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Revista Colombiana de Estadística
versión impresa ISSN 0120-1751
Resumen
KAN-KILINC, BETÜL y ALPU, OZLEM. Combining some Biased Estimation Methods with Least Trimmed Squares Regression and its Application. Rev.Colomb.Estad. [online]. 2015, vol.38, n.2, pp.385-402. ISSN 0120-1751. https://doi.org/10.15446/rce.v38n2.51675.
In the case of multicollinearity and outliers in regression analysis, the researchers are encouraged to deal with two problems simultaneously. Biased methods based on robust estimators are useful for estimating the regression coefficients for such cases. In this study we examine some robust biased estimators on the datasets with outliers in x direction and outliers in both x and y direction from literature by means of the R package ltsbase . Instead of a complete data analysis, robust biased estimators are evaluated using capabilities and features of this package.
Palabras clave : Biased Estimator; Least Trimmed Squares; Robust Estimation.