IWT      Kb = 7      pdf-based estimators
P	δ		Dsig	∆Dsig		Dref	∆Dref
6	0.306	7600.543	7346.624
5	0.366	2049.667	1971.814	282.878	205.026
4	0.401	522.272	502.042	79.962	59.732
3	0.426	128.415	123.31	20.501	15.396
2	0.446	29.991	28.628	5.144	3.782
1	0.462	6.307	5.846	1.36	0.899
0	0.0	1.0	1.0	0.461	0.461