IBk classifier: k = 8


=== Error on training data ===

Correctly Classified Instances         428               85.4291 %
Incorrectly Classified Instances        73               14.5709 %
Mean absolute error                      0.1457
Root mean squared error                  0.3817
Relative absolute error                 41.6367 %
Root relative squared error             91.3322 %
Total Number of Instances              501     


=== Confusion Matrix ===

   a   b   <-- classified as
  51  62 |   a = >50K
  11 377 |   b = <=50K


=== Error on test data ===

Correctly Classified Instances         411               82.0359 %
Incorrectly Classified Instances        90               17.9641 %
Mean absolute error                      0.1796
Root mean squared error                  0.4238
Relative absolute error                 50.8572 %
Root relative squared error            100.4735 %
Total Number of Instances              501     


=== Confusion Matrix ===

   a   b   <-- classified as
  40  76 |   a = >50K
  14 371 |   b = <=50K