Abstract:In regression, it is of interest to detect anomalous observations that exert an unduly large influence on the least squares (LS) analysis. Frequently, the existence of influential data is complicated by the presence of collinearity (see, e.g., Walker and Birch [1] ). Very little work has been done, however, on the possible effects that collinearity can have on the influence of an observation. While dealing with multicollinearity some new type of Liu estimator is proposed. When modified Liu-type estimator (MLE… Show more
“…The Liu-type estimator has recently been widely studied [18][19][20][21]. Zhai et al applied the Liu-type estimator to SBAS deformation monitoring and obtained beneficial results [22].…”
“…The Liu-type estimator has recently been widely studied [18][19][20][21]. Zhai et al applied the Liu-type estimator to SBAS deformation monitoring and obtained beneficial results [22].…”
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