IBk classifier: k = 6


=== Error on training data ===

Correctly Classified Instances       28282               86.8585 %
Incorrectly Classified Instances      4279               13.1415 %
Mean absolute error                      0.1314
Root mean squared error                  0.3625
Relative absolute error                 35.9402 %
Root relative squared error             84.7832 %
Total Number of Instances            32561     


=== Confusion Matrix ===

     a     b   <-- classified as
  4623  3218 |     a = >50K
  1061 23659 |     b = <=50K


=== Error on test data ===

Correctly Classified Instances       13476               82.7713 %
Incorrectly Classified Instances      2805               17.2287 %
Mean absolute error                      0.1723
Root mean squared error                  0.4151
Relative absolute error                 47.4262 %
Root relative squared error             97.7134 %
Total Number of Instances            16281     


=== Confusion Matrix ===

     a     b   <-- classified as
  1899  1947 |     a = >50K
   858 11577 |     b = <=50K