3911 Task 3911: ar4 (Supervised Classification) 1 Supervised Classification 1061 defects 1 crossvalidation https://api.openml.org/api_splits/get/3911/Task_3911_splits.arff 1 10 true predictive_accuracy ARFF mythbusting_1 study_1 study_107 study_123 study_15 study_20 study_41 study_7 under100k under1m