C4.5 [release 8] decision tree generator Mon Jun 12 11:21:33 2000 ---------------------------------------- Options: File stem Read 20 cases (5 attributes) from wait.data Decision Tree: pos5 = none: wait (0.0) pos5 = verb: wait (3.0/1.0) pos5 = noun: wait (2.0/1.0) pos5 = adjective: weight (1.0) pos5 = adverb: wait (4.0/2.0) pos5 = article: weight (1.0) pos5 = connective: wait (0.0) pos5 = number: wait (0.0) pos5 = possessive: weight (2.0) pos5 = pronoun: wait (3.0) pos5 = interjection: wait (0.0) pos5 = modal: wait (2.0) pos5 = preposition: wait (2.0) Simplified Decision Tree: wait (20.0/10.0) Tree saved Evaluation on training data (20 items): Before Pruning After Pruning ---------------- --------------------------- Size Errors Size Errors Estimate 14 4(20.0%) 1 8(40.0%) (50.2%) <<