IBk classifier: k = 7


=== Error on training data ===

Correctly Classified Instances         430               85.8283 %
Incorrectly Classified Instances        71               14.1717 %
Mean absolute error                      0.1417
Root mean squared error                  0.3765
Relative absolute error                 40.496  %
Root relative squared error             90.0723 %
Total Number of Instances              501     


=== Confusion Matrix ===

   a   b   <-- classified as
  60  53 |   a = >50K
  18 370 |   b = <=50K


=== Error on test data ===

Correctly Classified Instances         414               82.6347 %
Incorrectly Classified Instances        87               17.3653 %
Mean absolute error                      0.1737
Root mean squared error                  0.4167
Relative absolute error                 49.1619 %
Root relative squared error             98.7847 %
Total Number of Instances              501     


=== Confusion Matrix ===

   a   b   <-- classified as
  51  65 |   a = >50K
  22 363 |   b = <=50K