Table 2: The influence of influence radius on and .

Number of scatter data Influence radius
MME MME

300 4 0.0786 0.0489 0.0906
300 9 0.1179 0.0352 0.0747
300 12 0.1361 0.0325 0.0504
300 16 0.1572 0.0307 0.0481
300 25 0.1965 0.0293 0.0447