=== Run information ===Scheme: weka.classifiers.trees.J48 -C 0.25 -M 2Relation: mammographic-massesInstances: 815Attributes: 6 BI-RADS-assessment age shape margin dinsity severityTest mode: 10-fold cross-validation=== Classifier model (full training set) ===J48 pruned tree------------------shape = 1: 1 (189.0/23.0)shape = 2| BI-RADS-assessment = 1: 1 (0.0)| BI-RADS-assessment = 2: 1 (2.0)| BI-RADS-assessment = 3: 1 (7.0/1.0)| BI-RADS-assessment = 4| | severity = 0: 1 (135.0/31.0)| | severity = 1| | | age 53| | | | age 68: 1 (2.0)| BI-RADS-assessment = 5| | severity = 0: 4 (4.0)| | severity = 1| | | age 73: 1 (2.0/1.0)shape = 3| BI-RADS-assessment = 1: 4 (0.0)| BI-RADS-assessment = 2: 4 (0.0)| BI-RADS-assessment = 3: 4 (3.0/1.0)| BI-RADS-assessment = 4| | age 49| | | age 61| | | | age 72: 1 (4.0/2.0)| BI-RADS-assessment = 5: 4 (31.0/18.0)shape = 4: 4 (369.0/191.0)Number of Leaves : 22Size of the tree : 35Time taken to build model: 0 seconds=== Stratified cross-validation ====== Summary ===Correctly Classified Instances 504 61.8405 %Incorrectly Classified Instances 311 38.1595 %Kappa statistic 0.4223Mean absolute error 0.2 Root mean squared error 0.3249Relative absolute error 69.8715 %Root relative squared error 85.9214 %Total Number of Instances 815 === Detailed Accuracy By Class === TP Rate FP Rate Precision Recall F-Measure MCC ROC Area PRC Area Class 0.912 0.147 0.799 0.912 0.852 0.751 0.908 0.812 1 0.000 0.004 0.000 0.000 0.000 -0.010 0.490 0.037 2 0.069 0.004 0.700 0.069 0.126 0.195 0.674 0.224 3 0.831 0.405 0.475 0.831 0.604 0.394 0.713 0.446 4 0.000 0.004 0.000 0.000 0.000 -0.026 0.737 0.252 5Weighted Avg. 0.618 0.182 0.544 0.618 0.533 0.433 0.782 0.520 === Confusion Matrix === a b c d e