IBk classifier: k = 7


=== Error on training data ===

Correctly Classified Instances       28263               86.8002 %
Incorrectly Classified Instances      4298               13.1998 %
Mean absolute error                      0.132 
Root mean squared error                  0.3633
Relative absolute error                 36.0998 %
Root relative squared error             84.9713 %
Total Number of Instances            32561     


=== Confusion Matrix ===

     a     b   <-- classified as
  5245  2596 |     a = >50K
  1702 23018 |     b = <=50K


=== Error on test data ===

Correctly Classified Instances       13493               82.8757 %
Incorrectly Classified Instances      2788               17.1243 %
Mean absolute error                      0.1712
Root mean squared error                  0.4138
Relative absolute error                 47.1388 %
Root relative squared error             97.4168 %
Total Number of Instances            16281     


=== Confusion Matrix ===

     a     b   <-- classified as
  2232  1614 |     a = >50K
  1174 11261 |     b = <=50K