Remapping class numbers:
	0 To 1
	1 To 3
Pruned decision tree written to data/csv/post-operative.csv.dt.
Unpruned decision tree written to data/csv/post-operative.csv.dt.unpruned.
fold 1: acc. = 66.67	#leaves = 3	max. depth = 2
fold 2: acc. = 44.44	#leaves = 17	max. depth = 10
fold 3: acc. = 55.56	#leaves = 20	max. depth = 9
fold 4: acc. = 61.11	#leaves = 21	max. depth = 8
fold 5: acc. = 61.11	#leaves = 22	max. depth = 7
accuracy = 57.78	#leaves = 16.60	max depth = 7.20