``` === Run information === Scheme: weka.classifiers.lazy.IBk -K 3 -W 0 -A "weka.core.neighboursearch.LinearNNSearch -A \"weka.core.EuclideanDistance -R first-last\"" Relation: letsPlay Instances: 14 Attributes: 5 outlook temperature humidity windy play Test mode: user supplied test set: size unknown (reading incrementally) === Classifier model (full training set) === IB1 instance-based classifier using 3 nearest neighbour(s) for classification Time taken to build model: 0 seconds === Predictions on test set === inst# actual predicted error prediction 1 1:yes 1:yes 0.659 2 1:yes 1:yes 0.659 === Evaluation on test set === Time taken to test model on supplied test set: 0 seconds === Summary === Correctly Classified Instances 2 100 % Incorrectly Classified Instances 0 0 % Kappa statistic 1 Mean absolute error 0.3409 Root mean squared error 0.3409 Relative absolute error 90.9091 % Root relative squared error 90.9091 % Total Number of Instances 2 ```