Options: -C 0.25 -M 2 === Classifier model (full training set) === J48 pruned tree ------------------ 564_at <= 6.596649 | 202793_at <= 4.70109: metastasis (11.0) | 202793_at > 4.70109 | | 203685_at <= 4.564201: carcinoma (18.0/1.0) | | 203685_at > 4.564201: adenoma (15.0) 564_at > 6.596649: normal (11.0) Number of Leaves : 4 Size of the tree : 7 Time taken to build model: 0.65 seconds Time taken to test model on training data: 0.29 seconds === Error on training data === Correctly Classified Instances 54 98.1818 % Incorrectly Classified Instances 1 1.8182 % Kappa statistic 0.9754 Mean absolute error 0.0172 Root mean squared error 0.0927 Relative absolute error 4.6377 % Root relative squared error 21.5447 % Total Number of Instances 55 === Detailed Accuracy By Class === TP Rate FP Rate Precision Recall F-Measure MCC ROC Area PRC Area Class 0,938 0,000 1,000 0,938 0,968 0,956 0,986 0,968 adenoma 1,000 0,026 0,944 1,000 0,971 0,959 0,987 0,944 carcinoma 1,000 0,000 1,000 1,000 1,000 1,000 1,000 1,000 metastasis 1,000 0,000 1,000 1,000 1,000 1,000 1,000 1,000 normal Weighted Avg. 0,982 0,008 0,983 0,982 0,982 0,975 0,992 0,973 === Confusion Matrix === a b c d <-- classified as 15 1 0 0 | a = adenoma 0 17 0 0 | b = carcinoma 0 0 11 0 | c = metastasis 0 0 0 11 | d = normal Time taken to perform cross-validation: 0.93 seconds === Stratified cross-validation === Correctly Classified Instances 33 60 % Incorrectly Classified Instances 22 40 % Kappa statistic 0.45 Mean absolute error 0.2 Root mean squared error 0.4472 Relative absolute error 53.9127 % Root relative squared error 103.7956 % Total Number of Instances 55 === Detailed Accuracy By Class === TP Rate FP Rate Precision Recall F-Measure MCC ROC Area PRC Area Class 0,688 0,231 0,550 0,688 0,611 0,431 0,728 0,469 adenoma 0,706 0,211 0,600 0,706 0,649 0,476 0,748 0,514 carcinoma 0,545 0,068 0,667 0,545 0,600 0,516 0,739 0,455 metastasis 0,364 0,045 0,667 0,364 0,471 0,408 0,659 0,370 normal Weighted Avg. 0,600 0,155 0,612 0,600 0,592 0,457 0,723 0,460 === Confusion Matrix === a b c d <-- classified as 11 3 0 2 | a = adenoma 2 12 3 0 | b = carcinoma 0 5 6 0 | c = metastasis 7 0 0 4 | d = normal