Table 2. Comparison of the proposed SSL-SPYCT methods to their supervised counterparts and SSL-PCTs in single tree setting in terms of number of wins.

Bolded values indicate that the sign test Demsar06 showed significant difference in performance at α = 0.05.

#wins	L = 25	L = 50	L = 100	L = 250	L = 500
1-SSL-SPYCT-GRAD	20	19	21	19	14
vs. 1-SPYCT-GRAD
1-SSL-SPYCT-SVM	20	18	18	17	20
vs. 1-SPYCT-SVM
1-SSL-SPYCT-GRAD	21	18	22	18	20
vs. 1-PCT-SSL
1-SSL-SPYCT-SVM	22	18	18	19	16
vs. 1-PCT-SSL