Whiskers showing the median (grey, horizontal line) and dispersion of estimated parameters around the true value and of their standard error over 100 catalogs in three categories by the various estimation methods L1 DU, L1 DW, L2 EL1, L2 IL2, L2 555, CM 82, and CM128. The box limits are the first and third quartiles; the extreme horizontal bars indicate the fifth and 95th percentiles.