in Table \[table:modelI\_constant\] and \[table:modelII\_constant\] respectively.

[@ll ccc ccc ccc]{}\
& & & &\
(r)[3-5]{} (lr)[6-8]{} (l)[9-11]{} n & method & mse & PCD & $\delta_{0.5}$ & mse & PCD & $\delta_{0.5}$ & mse & PCD & $\delta_{0.5}$\
(r)[3-5]{} (lr)[6-8]{} (l)[9-11]{} 100 & LS & 1.32 (0.040) & 80.7 & 1.06 & 2.36 (0.081) & 75.7 & 1.57 & & 58.4 & 3.75\
& P(0.5) & 1.44 (0.042) & 80.1 & 1.13 & 1.73 (0.051) & 78.0 & 1.31 & 2.69 (0.077) & 75.2 & 1.63\
& P(0.25) & 1.90 (0.057) & 78.3 & 1.34 & 1.63 (0.051) & 79.0 & 1.29 & 5.29 (0.168) & 70.4 & 2.25\
& Huber & 1.15 (0.034) & 81.9 & 0.93 & 1.45 (0.044) & 79.9 & 1.13 & 2.61 (0.072) & 74.9 & 1.66\
200 & LS & 0.68 (0.021) & 85.6 & 0.59 & 1.10 (0.033) & 82.0 & 0.91 & & 58.7 & 3.70\
& P(0.5) & 0.73 (0.021) & 85.3 & 0.62 & 0.78 (0.021) & 84.1 & 0.70 & 1.23 (0.037) & 81.3 & 0.99\
& P(0.25) & 0.92 (0.028) & 84.0 & 0.75 & 0.70 (0.023) & 86.0 & 0.59 & 2.48 (0.079) & 75.7 & 1.64\
