Table 2: Cross-validation, training accuracy, and interclass Mahalanobis distance of training sets based on E-nose sensor response to headspace VOC emissions from 8 unexposed (control) bolls and 8 bolls exposed to Nezara viridula.

TimeIdentified asTraining accuracyInterclass M-distance
N. viridulaControl

Trained as24 hoursN. viridula7181.25%2.339
Control26
N. viridulaControl
48 hoursN. viridula80100%5.117
Control08
N. viridulaControl
72 hoursN. viridula80100%5.125
Control08
N. viridulaControl
96 hoursN. viridula80100%5.837
Control08