Remapping class numbers:
	0 To 1
	1 To 2
	2 To 3
Pruned decision tree written to data/csv/pittsburg-bridges-REL-L.csv.dt.
Unpruned decision tree written to data/csv/pittsburg-bridges-REL-L.csv.dt.unpruned.
fold 1: acc. = 75.00	#leaves = 2	max. depth = 1
fold 2: acc. = 75.00	#leaves = 16	max. depth = 12
fold 3: acc. = 45.00	#leaves = 14	max. depth = 8
fold 4: acc. = 45.00	#leaves = 19	max. depth = 10
fold 5: acc. = 65.22	#leaves = 20	max. depth = 8
accuracy = 61.17	#leaves = 14.20	max depth = 7.80