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. = 77.78	#leaves = 2	max. depth = 1
fold 2: acc. = 61.11	#leaves = 19	max. depth = 9
fold 3: acc. = 50.00	#leaves = 16	max. depth = 8
fold 4: acc. = 50.00	#leaves = 19	max. depth = 9
fold 5: acc. = 33.33	#leaves = 20	max. depth = 10
accuracy = 54.44	#leaves = 15.20	max depth = 7.40