Table 2.

SVM accuracy in the first feature set.

Density	8%	9%	10%	11%	12%	13%	14%	15%	16%
W
90	0.714	0.679	0.714	0.714	0.643	0.750	0.786	0.821	0.786
95	0.750	0.643	0.679	0.679	0.714	0.679	0.786	0.786	0.786
100	0.714	0.679	0.714	0.750	0.750	0.714	0.679	0.786	0.750
Classic	0.536	0.571	0.714	0.571	0.643	0.607	0.643	0.607	0.714

Accuracy was significantly higher in the SNV method than in the classic method (permutation test, P < 0.01 in all of the three window widths).