Remapping class numbers: 0 To 1 1 To 3 Pruned decision tree written to csv/post-operative.csv.dt. Unpruned decision tree written to csv/post-operative.csv.dt.unpruned. fold 1: acc. = 72.22 #leaves = 8 max. depth = 4 fold 2: acc. = 50.00 #leaves = 20 max. depth = 7 fold 3: acc. = 55.56 #leaves = 17 max. depth = 9 fold 4: acc. = 55.56 #leaves = 13 max. depth = 5 fold 5: acc. = 61.11 #leaves = 16 max. depth = 8 accuracy = 58.89 #leaves = 14.80 max depth = 6.60 .09100000000000000000