Table 2.

SVM model parameters. Support vector machine (SVM) optimal parameters for the experiment containing three treatments (control, mock-inoculated, and inoculated seedlings).

Comparison	Model	Kernel	Cost	Gamma
All groups	Second derivative	Linear	100	—
	VSURF	Radial	100	0.05
	Resampled	Radial	100	0.05
Mock vs. inoculated	Second derivative	Radial	100	0.05
	VSURF	Radial	100	0.05
	Resampled	Radial	100	0.05
Control vs. inoculated	Second derivative	Linear	100	—
	VSURF	Linear	0.1	—
	Resampled	Linear	0.1	—