Modified Least Trimmed Quantile Regression to Overcome Effects of Leverage Points

Figure 9

The SE values for the estimated parameters at each quantile and contamination levels for all methods (M1 = QReg, M2 = LTQReg (20%), M3 = LTQReg (30%), M4 = RWLTQReg, M5 = RMD-LTQReg and M6 = GM6-LTQReg) in the second experiment when n = 200.