Training Classifiers under Covariate Shift by Constructing the Maximum Consistent Distribution Subset

Algorithm 2

The direct classification algorithm of Scenario 1.

Require: the target training set , the target testing set ,

 the auxiliary sample set , a base learning algorithm Learner

Ensure: classification function

 ;        / denotes the target sample set/

 ;     /constructing the MIDS/

 ;     / denotes the new training set/

 ;    / denotes the function implemented by a base

        learning algorithm trained on the new training set /