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 = 2 max. depth = 1 fold 2: acc. = 76.19 #leaves = 9 max. depth = 7 fold 3: acc. = 85.71 #leaves = 9 max. depth = 5 fold 4: acc. = 80.95 #leaves = 9 max. depth = 4 fold 5: acc. = 63.64 #leaves = 9 max. depth = 5 ***1***0.6666666***0.0179990*** ***2***0.7619048***0.0126400*** ***3***0.8571429***0.0161290*** ***4***0.8095238***0.0149680*** ***5***0.6363636***0.0182420*** accuracy = 74.53 #leaves = 7.60 max depth = 4.40