=== Run information ===

Scheme:       weka.classifiers.misc.InputMappedClassifier -I -trim -W weka.classifiers.lazy.IBk -- -K 1 -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 1 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: 27.58 seconds

=== Summary ===

Correctly Classified Instances       11741               79.4815 %
Incorrectly Classified Instances      3031               20.5185 %
Kappa statistic                          0.4351
K&B Relative Info Score                 36.5212 %
K&B Information Score                 4287.7954 bits      0.2903 bits/instance
Class complexity | order 0           11740.5789 bits      0.7948 bits/instance
Class complexity | scheme            45625.0828 bits      3.0886 bits/instance
Complexity improvement     (Sf)     -33884.5039 bits     -2.2938 bits/instance
Mean absolute error                      0.2052
Root mean squared error                  0.4529
Relative absolute error                 56.3393 %
Root relative squared error            106.0736 %
Total Number of Instances            14772     

=== Detailed Accuracy By Class ===

                 TP Rate  FP Rate  Precision  Recall   F-Measure  MCC      ROC Area  PRC Area  Class
                 0.867    0.434    0.864      0.867    0.865      0.435    0.717     0.850     <=50K
                 0.566    0.133    0.573      0.566    0.570      0.435    0.717     0.429     >50K
Weighted Avg.    0.795    0.361    0.794      0.795    0.794      0.435    0.717     0.749     

=== Confusion Matrix ===

    a    b   <-- classified as
 9734 1495 |    a = <=50K
 1536 2007 |    b = >50K


