Evaluator.java

package com.skp.experiment.cf.evaluate.hadoop;

import java.util.List;

import org.apache.mahout.common.Pair;

public interface Evaluator {
  // return evaluation metric
  public List<Pair<Integer, Double>> evaluate(List<Pair<String, Double>> items, 
      int topK, int itemCount, double negativePref);
  
}