Remapping class numbers: 0 To 1 1 To 3 Pruned decision tree written to data/csv/post-operative.csv.dt. Unpruned decision tree written to data/csv/post-operative.csv.dt.unpruned. fold 1: acc. = 66.67 #leaves = 2 max. depth = 1 fold 2: acc. = 66.67 #leaves = 21 max. depth = 8 fold 3: acc. = 61.11 #leaves = 19 max. depth = 9 fold 4: acc. = 50.00 #leaves = 16 max. depth = 8 fold 5: acc. = 33.33 #leaves = 21 max. depth = 9 accuracy = 55.56 #leaves = 15.80 max depth = 7.00