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. = 80.95	#leaves = 7	max. depth = 5
fold 3: acc. = 85.71	#leaves = 14	max. depth = 6
fold 4: acc. = 71.43	#leaves = 9	max. depth = 5
fold 5: acc. = 100.00	#leaves = 13	max. depth = 6
***1***0.7619048***0.0174390***
***2***0.8095238***0.0131580***
***3***0.8571429***0.0137800***
***4***0.7142857***0.0150660***
***5***1.0000000***0.0168770***
accuracy = 83.02	#leaves = 9.00	max depth = 4.60