List of inferPreference() Examples

Examples of inferPreference()

org.apache.mahout.cf.taste.similarity.PreferenceInferrer.inferPreference()

Infers the given {@link User}'s preference value for an {@link Item}.
@param user {@link User} to infer preference for @param item {@link Item} to infer preference for @return inferred preference @throws TasteException if an error occurs while inferring

Examples of org.apache.mahout.cf.taste.similarity.PreferenceInferrer.inferPreference()

public final class AveragingPreferenceInferrerTest extends TasteTestCase {


  public void testInferrer() throws TasteException {
    DataModel model = getDataModel(new long[] {1}, new Double[][] {{3.0,-2.0,5.0}});
    PreferenceInferrer inferrer = new AveragingPreferenceInferrer(model);
    double inferred = inferrer.inferPreference(1, 3);
    assertEquals(2.0, inferred);
  }


}

View Full Code Here

Examples of org.apache.mahout.cf.taste.similarity.PreferenceInferrer.inferPreference()

  public void testInferrer() throws TasteException {
    User user1 = getUser("test1", 3.0, -2.0, 5.0);
    Item item = new GenericItem<String>("3");
    DataModel model = new GenericDataModel(Collections.singletonList(user1));
    PreferenceInferrer inferrer = new AveragingPreferenceInferrer(model);
    double inferred = inferrer.inferPreference(user1, item);
    assertEquals(2.0, inferred);
  }


}

View Full Code Here

Examples of org.apache.mahout.cf.taste.similarity.PreferenceInferrer.inferPreference()


  @Test
  public void testInferrer() throws TasteException {
    DataModel model = getDataModel(new long[] {1}, new Double[][] {{3.0,-2.0,5.0}});
    PreferenceInferrer inferrer = new AveragingPreferenceInferrer(model);
    double inferred = inferrer.inferPreference(1, 3);
    assertEquals(2.0, inferred, EPSILON);
  }


}

View Full Code Here

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.