Options: -C 0.25 -M 2 === Classifier model (full training set) === J48 pruned tree ------------------ 955_at <= 7.71474: primary_prostate_tumor (28.0/1.0) 955_at > 7.71474 | 33066_at <= 3.329454: primary_prostate_tumor (7.0) | 33066_at > 3.329454 | | 32160_at <= 4.805296: primary_prostate_tumor (9.0) | | 32160_at > 4.805296 | | | 38577_at <= 4.260539 | | | | 32241_at <= 6.956583: normal (6.0) | | | | 32241_at > 6.956583: primary_prostate_tumor (12.0) | | | 38577_at > 4.260539 | | | | 38938_at <= 2.754245: normal (55.0/2.0) | | | | 38938_at > 2.754245 | | | | | 100_g_at <= 6.831663: normal (2.0) | | | | | 100_g_at > 6.831663: primary_prostate_tumor (5.0) Number of Leaves : 8 Size of the tree : 15 Time taken to build model: 1.2 seconds Time taken to test model on training data: 0.34 seconds === Error on training data === Correctly Classified Instances 121 97.5806 % Incorrectly Classified Instances 3 2.4194 % Kappa statistic 0.9516 Mean absolute error 0.0466 Root mean squared error 0.1527 Relative absolute error 9.3276 % Root relative squared error 30.5411 % Total Number of Instances 124 === Detailed Accuracy By Class === TP Rate FP Rate Precision Recall F-Measure MCC ROC Area PRC Area Class 0,968 0,016 0,984 0,968 0,976 0,952 0,982 0,978 primary_prostate_tumor 0,984 0,032 0,968 0,984 0,976 0,952 0,982 0,968 normal Weighted Avg. 0,976 0,024 0,976 0,976 0,976 0,952 0,982 0,973 === Confusion Matrix === a b <-- classified as 60 2 | a = primary_prostate_tumor 1 61 | b = normal Time taken to perform cross-validation: 1.47 seconds === Stratified cross-validation === Correctly Classified Instances 56 45.1613 % Incorrectly Classified Instances 68 54.8387 % Kappa statistic -0.0968 Mean absolute error 0.5482 Root mean squared error 0.7375 Relative absolute error 109.6182 % Root relative squared error 147.4623 % Total Number of Instances 124 === Detailed Accuracy By Class === TP Rate FP Rate Precision Recall F-Measure MCC ROC Area PRC Area Class 0,500 0,597 0,456 0,500 0,477 -0,097 0,447 0,474 primary_prostate_tumor 0,403 0,500 0,446 0,403 0,424 -0,097 0,447 0,472 normal Weighted Avg. 0,452 0,548 0,451 0,452 0,450 -0,097 0,447 0,473 === Confusion Matrix === a b <-- classified as 31 31 | a = primary_prostate_tumor 37 25 | b = normal