Arashi, M.; Kibria, B.M. Golam; Norouzirad, M.; … - In: Journal of Multivariate Analysis 126 (2014) C, pp. 53-74
Recently, Liu (1993) estimator draws an important attention to estimate the regression parameters for an ill … contoured distributions (ECDs). This paper proposed some improved Liu type estimators, namely, the unrestricted Liu estimator … (ULE), restricted Liu estimator (RLE), preliminary test Liu estimator (PTLE), shrinkage Liu estimator (SLE) and positive …