=== Run information ===

Scheme:       weka.classifiers.misc.InputMappedClassifier -I -trim -W weka.classifiers.lazy.IBk -- -K 5 -W 0 -A "weka.core.neighboursearch.LinearNNSearch -A \"weka.core.EuclideanDistance -R first-last\""
Relation:     adult_trening
Instances:    34070
Attributes:   15
              AGE
              WORKCLASS
              FNLWGT
              EDUCATION
              EDUCATION-NUM
              MARITAL-STATUS
              OCCUPATION
              RELATIONSHIP
              RACE
              SEX
              CAPITAL-GAIN
              CAPITAL-LOSS
              HOURS-PER-WEEK
              NATIVE-COUNTRY
              CLASS
Test mode:    user supplied test set:  size unknown (reading incrementally)

=== Classifier model (full training set) ===

InputMappedClassifier:

IB1 instance-based classifier
using 5 nearest neighbour(s) for classification

Attribute mappings:

Model attributes          	    Incoming attributes
--------------------------	    ----------------
(numeric) AGE             	--> 1 (numeric) AGE
(nominal) WORKCLASS       	--> 2 (nominal) WORKCLASS
(numeric) FNLWGT          	--> 3 (numeric) FNLWGT
(nominal) EDUCATION       	--> 4 (nominal) EDUCATION
(numeric) EDUCATION-NUM   	--> 5 (numeric) EDUCATION-NUM
(nominal) MARITAL-STATUS  	--> 6 (nominal) MARITAL-STATUS
(nominal) OCCUPATION      	--> 7 (nominal) OCCUPATION
(nominal) RELATIONSHIP    	--> 8 (nominal) RELATIONSHIP
(nominal) RACE            	--> 9 (nominal) RACE
(nominal) SEX             	--> 10 (nominal) SEX
(numeric) CAPITAL-GAIN    	--> 11 (numeric) CAPITAL-GAIN
(numeric) CAPITAL-LOSS    	--> 12 (numeric) CAPITAL-LOSS
(numeric) HOURS-PER-WEEK  	--> 13 (numeric) HOURS-PER-WEEK
(nominal) NATIVE-COUNTRY  	--> 14 (nominal) NATIVE-COUNTRY
(nominal) CLASS           	--> 15 (nominal) CLASS


Time taken to build model: 0.01 seconds

=== Evaluation on test set ===

Time taken to test model on supplied test set: 32.18 seconds

=== Summary ===

Correctly Classified Instances       12159               82.3111 %
Incorrectly Classified Instances      2613               17.6889 %
Kappa statistic                          0.4945
K&B Relative Info Score                 36.8926 %
K&B Information Score                 4331.4057 bits      0.2932 bits/instance
Class complexity | order 0           11740.5789 bits      0.7948 bits/instance
Class complexity | scheme            14812.7564 bits      1.0028 bits/instance
Complexity improvement     (Sf)      -3072.1775 bits     -0.208  bits/instance
Mean absolute error                      0.211 
Root mean squared error                  0.3564
Relative absolute error                 57.9426 %
Root relative squared error             83.4617 %
Total Number of Instances            14772     

=== Detailed Accuracy By Class ===

                 TP Rate  FP Rate  Precision  Recall   F-Measure  MCC      ROC Area  PRC Area  Class
                 0.902    0.428    0.870      0.902    0.886      0.496    0.844     0.923     <=50K
                 0.572    0.098    0.649      0.572    0.608      0.496    0.844     0.610     >50K
Weighted Avg.    0.823    0.348    0.817      0.823    0.819      0.496    0.844     0.848     

=== Confusion Matrix ===

     a     b   <-- classified as
 10131  1098 |     a = <=50K
  1515  2028 |     b = >50K


