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. = 80.95	#leaves = 2	max. depth = 1
fold 2: acc. = 80.95	#leaves = 7	max. depth = 4
fold 3: acc. = 90.48	#leaves = 5	max. depth = 3
fold 4: acc. = 71.43	#leaves = 9	max. depth = 5
fold 5: acc. = 90.91	#leaves = 9	max. depth = 6
***1***0.8095238***0.0098960***
***2***0.8095238***0.0131630***
***3***0.9047619***0.0151050***
***4***0.7142857***0.0153720***
***5***0.9090909***0.0145240***
accuracy = 83.02	#leaves = 6.40	max depth = 3.80