IBk classifier: k = 9


=== Error on training data ===

Correctly Classified Instances         433               86.4271 %
Incorrectly Classified Instances        68               13.5729 %
Mean absolute error                      0.1357
Root mean squared error                  0.3684
Relative absolute error                 38.7849 %
Root relative squared error             88.1489 %
Total Number of Instances              501     


=== Confusion Matrix ===

   a   b   <-- classified as
  59  54 |   a = >50K
  14 374 |   b = <=50K


=== Error on test data ===

Correctly Classified Instances         413               82.4351 %
Incorrectly Classified Instances        88               17.5649 %
Mean absolute error                      0.1756
Root mean squared error                  0.4191
Relative absolute error                 49.727  %
Root relative squared error             99.3508 %
Total Number of Instances              501     


=== Confusion Matrix ===

   a   b   <-- classified as
  50  66 |   a = >50K
  22 363 |   b = <=50K