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. = 85.71	#leaves = 2	max. depth = 1
fold 2: acc. = 80.95	#leaves = 9	max. depth = 5
fold 3: acc. = 80.95	#leaves = 8	max. depth = 5
fold 4: acc. = 85.71	#leaves = 9	max. depth = 4
fold 5: acc. = 77.27	#leaves = 7	max. depth = 4
***1***0.8571429***0.0134710***
***2***0.8095238***0.0235400***
***3***0.8095238***0.0148860***
***4***0.8571429***0.0147400***
***5***0.7727273***0.0137720***
accuracy = 82.08	#leaves = 7.00	max depth = 3.80