C4.5 [release 8] rule generator Thu Jun 15 09:15:54 2000 ------------------------------- Options: File stem Read 14 cases (4 attributes) from golf ------------------ Processing tree 0 Final rules from tree 0: Rule 2: outlook = overcast -> class Play [70.7%]
Rule 4: outlook = rain windy = false -> class Play [63.0%] Rule 1: outlook = sunny humidity > 75 -> class Don't Play [63.0%] Rule 3: outlook = rain windy = true -> class Don't Play [50.0%] Default class: Play Evaluation on training data (14 items): Rule Size Error Used Wrong Advantage ---- ---- ----- ---- ----- --------- 2 1 29.3% 4 0 (0.0%) 0 (0|0) Play 4 2 37.0% 3 0 (0.0%) 0 (0|0) Play 1 2 37.0% 3 0 (0.0%) 3 (3|0) Don't Play 3 2 50.0% 2 0 (0.0%) 2 (2|0) Don't Play Tested 14, errors 0 (0.0%) << (a) (b) <-classified as ---- ---- 9 (a): class Play 5 (b): class Don't Play