Remapping class numbers: 0 To 2 Pruned decision tree written to data/csv/balloons.csv.dt. Unpruned decision tree written to data/csv/balloons.csv.dt.unpruned. fold 1: acc. = 66.67 #leaves = 2 max. depth = 1 fold 2: acc. = 66.67 #leaves = 2 max. depth = 1 fold 3: acc. = 33.33 #leaves = 2 max. depth = 1 fold 4: acc. = 66.67 #leaves = 4 max. depth = 3 fold 5: acc. = 75.00 #leaves = 2 max. depth = 1 accuracy = 62.50 #leaves = 2.40 max depth = 1.40