Remapping class numbers:
	0 To 1
	1 To 2
	2 To 3
Pruned decision tree written to csv/pittsburg-bridges-SPAN.csv.dt.
Unpruned decision tree written to csv/pittsburg-bridges-SPAN.csv.dt.unpruned.
fold 1: acc. = 55.56	#leaves = 2	max. depth = 1
fold 2: acc. = 44.44	#leaves = 11	max. depth = 7
fold 3: acc. = 66.67	#leaves = 11	max. depth = 5
fold 4: acc. = 77.78	#leaves = 16	max. depth = 8
fold 5: acc. = 55.00	#leaves = 14	max. depth = 6
***1***0.5555556***0.0173930***
***2***0.4444444***0.0161930***
***3***0.6666666***0.0147970***
***4***0.7777778***0.0197200***
***5***0.5500000***0.0157580***
accuracy = 59.78	#leaves = 10.80	max depth = 5.40