“…The highest theoretical breakdown point for any regression equivariant functional is 50% [196,208], which includes estimators such as the LMS, LTS, Repeated Median (RM) [213], Minimum Volume Ellipsoid (MVE) [196], Minimum Covariance Determinant (MCD) [196,214], Least Quartile Difference (LQD) [215] and S-estimators.…”