FIG. 6.

Cross-validated DFA model showing the fermentation of red clover over a 48-h period in response to different LAB inoculants. The DFA used 25 PCs, which accounted for 99.98% of the total variance within the data set, and knowledge of class structure, where A (control), B (L. mali), C (L. delbrueckii), D (L. brevis), and E (L. amylovorus) represent the results seen after incubation for 0 h (A0, B0, C0, D0, and E0), 16 h (A1, B1, C1, D1, and E1), 20 h (A2, B2, C2, D2, and E2), 24 h (A3, B3, C3, D3, and E3), and 48 h (A4, B4, C4, D4, and E4); circles and lightface characters indicate training data, and stars and boldface characters indicate test data. The points shown are the mean DFA scores calculated from three machine replicates taken for each sample.