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 = 9	max. depth = 5
fold 2: acc. = 90.48	#leaves = 9	max. depth = 4
fold 3: acc. = 76.19	#leaves = 8	max. depth = 4
fold 4: acc. = 80.95	#leaves = 9	max. depth = 4
fold 5: acc. = 59.09	#leaves = 9	max. depth = 4
***1***0.8095238***0.0208660***
***2***0.9047619***0.0189590***
***3***0.7619048***0.0186420***
***4***0.8095238***0.0145600***
***5***0.5909091***0.0176630***
accuracy = 77.36	#leaves = 8.80	max depth = 4.20