Table 1.

Sample outcome for the decision tree classifier on free sugars.

Study	Minimum number of instances	Accuracy (average)	Recall	Specificity	Number of factors
Previous	60	76.5	76.1	76.9	28
Current	60	78.2	73.6	82.9	31
Current	70	78.1	74.7	77.3	31
Current	80	78.3	74.7	78.3	30
Current	90	77.9	75.1	80.8	30
Current	95	77.9	75.1	80.7	25
Current	100	77.3	75.7	78.9	26
Current	115	77.2	75.5	78.8	22