Table 4.

Confusion matrices of row 6 (A,B) and 7 (C,D), measured on 2017/06/27 (A,C) and 2017/07/03 (B,D), after correction for neighboring plants.

	Predicted PVY	Predicted healthy
A
Known PVY	12 (92.3%)	1 (7.7%)
Known healthy	1 (0.6%)	170 (99.4%)
Recall: 0.92, Precision: 0.92.
B
Known PVY	12 (92.3%)	1 (7.7%)
Known healthy	3 (1.8%)	168 (98.2%)
Recall: 0.92, Precision: 0.8.
C
Known PVY	7 (87.5%)	1 (12.5%)
Known healthy	2 (1.1%)	177 (98.9%)
Recall: 0.88, Precision: 0.78.
D
Known PVY	6 (75%)	2 (25%)
Known healthy	14 (7.8%)	165 (92.2%)
Recall: 0.75, Precision: 0.3.