Remapping class numbers: 0 To 1 1 To 2 2 To 3 Pruned decision tree written to csv/pittsburg-bridges-REL-L.csv.dt. Unpruned decision tree written to csv/pittsburg-bridges-REL-L.csv.dt.unpruned. fold 1: acc. = 70.00 #leaves = 3 max. depth = 2 fold 2: acc. = 70.00 #leaves = 17 max. depth = 8 fold 3: acc. = 70.00 #leaves = 16 max. depth = 7 fold 4: acc. = 70.00 #leaves = 12 max. depth = 4 fold 5: acc. = 60.87 #leaves = 14 max. depth = 7 accuracy = 67.96 #leaves = 12.40 max depth = 5.60 .12200000000000000000