Table 2

Confusion matrices for prediction cut-offs of 0.5, 0.75 and 0.82 with accuracy, false attendance and non-attendance rates for each cut-off for the test dataset

Cut-off0.50.750.82
Reference
PredictionDid not attendAttendedDid not attendAttendedDid not attendAttended
Did not attend3626171512 28317 67518 93040 523
Attended26 827135 09518 170119 13511 52396 287
Accuracy82.9%78.6%68.9%
False attendance rate16.0%10.9%6.9%
False non-attendance rate1.0%10.6%24.4%