Browsing by Author "Kaçıranlar, Selahattin"

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Detecting influential observations in Liu and modified Liu estimators

Ertaş, Hasan; Erişoğlu, Murat; Kaçıranlar, Selahattin (Taylor and Francis Ltd., 2013)

In regression, detecting anomalous observations is a significant step for model-building process. Various influence measures based on different motivational arguments are designed to measure the influence of observations ...
Robust Liu-type estimator for regression based on M-estimator

Ertaş, Hasan; Kaçıranlar, Selahattin; Güler, Hüseyin (Taylor and Francis Ltd., 2017)

The problem of multicollinearity and outliers in the dataset can strongly distort ordinary least-square estimates and lead to unreliable results. We propose a new Robust Liu-type M-estimator to cope with this combined ...