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Relative efficiency of the Ridge estimator based on SRS, Liu-type estimator based on SRS, LS estimator based on MRSS, Ridge estimator based on MRSS, Liu-type estimator based on MRSS against LS estimator based on SRS for (a) p = 3 and n = 9; (b) p = 3 and n = 15; (c) p = 4 and n = 9; and (d) p = 4 and n = 15 when σ = 3 ρ = 0.60.
