Remapping class numbers:
	0 To 1
	1 To 2
	2 To 3
Pruned decision tree written to csv/pittsburg-bridges-MATERIAL.csv.dt.
Unpruned decision tree written to csv/pittsburg-bridges-MATERIAL.csv.dt.unpruned.
fold 1: acc. = 76.19	#leaves = 2	max. depth = 1
fold 2: acc. = 85.71	#leaves = 14	max. depth = 8
fold 3: acc. = 90.48	#leaves = 12	max. depth = 6
fold 4: acc. = 90.48	#leaves = 12	max. depth = 5
fold 5: acc. = 77.27	#leaves = 8	max. depth = 4
***1***0.7619048***0.0141800***
***2***0.8571429***0.0149970***
***3***0.9047619***0.0174630***
***4***0.9047619***0.0135040***
***5***0.7727273***0.0111560***
accuracy = 83.96	#leaves = 9.60	max depth = 4.80