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. = 80.00	#leaves = 2	max. depth = 1
fold 2: acc. = 50.00	#leaves = 16	max. depth = 11
fold 3: acc. = 65.00	#leaves = 22	max. depth = 10
fold 4: acc. = 70.00	#leaves = 17	max. depth = 6
fold 5: acc. = 65.22	#leaves = 15	max. depth = 6
accuracy = 66.02	#leaves = 14.40	max depth = 6.80