α

0.01

0.05

0.1

0.2

0.3

0.4

0.5

Clean Data

25.182

24.626

24.486

24.170

24.072

23.951

23.720

Noisy Data

25.749

25.395

24.981

25.282

25.232

25.055

25.069

α

0.6

0.7

0.8

0.9

1.0

1.5

2.0

Clean Data

23.724

23.929

23.752

24.032

23.764

24.233

24.916

Noisy Data

24.897

24.807

24.844

24.490

24.838

24.852

25.255