IBk classifier: k = 3


=== Error on training data ===

Correctly Classified Instances       29159               89.5519 %
Incorrectly Classified Instances      3402               10.4481 %
Mean absolute error                      0.1045
Root mean squared error                  0.3232
Relative absolute error                 28.5741 %
Root relative squared error             75.5973 %
Total Number of Instances            32561     


=== Confusion Matrix ===

     a     b   <-- classified as
  5821  2020 |     a = >50K
  1382 23338 |     b = <=50K


=== Error on test data ===

Correctly Classified Instances       13251               81.3893 %
Incorrectly Classified Instances      3030               18.6107 %
Mean absolute error                      0.1861
Root mean squared error                  0.4314
Relative absolute error                 51.2305 %
Root relative squared error            101.5568 %
Total Number of Instances            16281     


=== Confusion Matrix ===

     a     b   <-- classified as
  2167  1679 |     a = >50K
  1351 11084 |     b = <=50K