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. = 66.67	#leaves = 3	max. depth = 2
fold 2: acc. = 95.24	#leaves = 12	max. depth = 5
fold 3: acc. = 71.43	#leaves = 5	max. depth = 3
fold 4: acc. = 80.95	#leaves = 8	max. depth = 5
fold 5: acc. = 81.82	#leaves = 8	max. depth = 4
***1***0.6666666***0.0175810***
***2***0.9523810***0.0151260***
***3***0.7142857***0.0157690***
***4***0.8095238***0.0136640***
***5***0.8181818***0.0175350***
accuracy = 79.25	#leaves = 7.20	max depth = 3.80