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. = 61.11	#leaves = 5	max. depth = 3
fold 2: acc. = 44.44	#leaves = 14	max. depth = 7
fold 3: acc. = 55.56	#leaves = 17	max. depth = 7
fold 4: acc. = 44.44	#leaves = 15	max. depth = 7
fold 5: acc. = 60.00	#leaves = 14	max. depth = 7
***1***0.6111111***0.0177570***
***2***0.4444444***0.0198550***
***3***0.5555556***0.0191430***
***4***0.4444444***0.0188800***
***5***0.6000000***0.0143190***
accuracy = 53.26	#leaves = 13.00	max depth = 6.20