Table 8.

Predictive performance of random forest based on the estimated sensitivity, specificity, accuracy, positive predictive value (PPV), F-score and the area under receiver operating characteristic curve (AUC) for two-week and six-week restriction periods among the cows in early (S), mid (M) and late (L) lactation stage using cross validation studies.

Subset	Sensitivity	Specificity	Accuracy	PPV	F-Score	AUC
S2	0.90 (0.011)	0.87 (0.007)	0.88 (0.006)	0.78 (0.015)	0.84 (0.01)	0.96 (0.005)
S6	0.91 (0.008)	0.91 (0.005)	0.91 (0.004)	0.86 (0.01)	0.88 (0.006)	0.97 (0.002)
M2	0.89 (0.015)	0.87 (0.007)	0.88 (0.006)	0.79 (0.015)	0.83 (0.013)	0.95 (0.008)
M6	0.89 (0.009)	0.88 (0.004)	0.89 (0.004)	0.79 (0.011)	0.83 (0.007)	0.95 (0.002)
L2	0.87 (0.011)	0.89 (0.006)	0.88 (0.005)	0.79 (0.014)	0.82 (0.009)	0.95 (0.005)
L6	0.91 (0.015)	0.90 (0.005)	0.90 (0.005)	0.80 (0.02)	0.85 (0.013)	0.96 (0.005)
W2	0.78 (0.008)	0.84 (0.004)	0.82 (0.003)	0.62 (0.01)	0.68 (0.007)	0.88 (0.004)
W6	0.78 (0.006)	0.88 (0.003)	0.85 (0.002)	0.69 (0.009)	0.73 (0.006)	0.91 (0.002)

Standard errors are indicated in parentheses.