Example usage for org.apache.mahout.cf.taste.model DataModel getMaxPreference

Introduction

In this page you can find the example usage for org.apache.mahout.cf.taste.model DataModel getMaxPreference.

Prototype

float getMaxPreference();

Source Link

Usage

From source file:de.unima.dws.webmining.rs.recommender.AvgUserPrefAdaptedUserBasedRecommender.java

License:Apache License

private EstimatedPreferenceCapper buildCapper() {
    DataModel dataModel = getDataModel();
    if (Float.isNaN(dataModel.getMinPreference()) && Float.isNaN(dataModel.getMaxPreference())) {
        return null;
    } else {//w  w w . j a v a 2s  .  c  om
        return new EstimatedPreferenceCapper(dataModel);
    }
}

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From source file:norbert.mynemo.core.evaluation.PersonnalRecommenderEvaluator.java

License:Apache License

private static float capEstimatedPreference(float estimate, DataModel dataModel) {
    if (dataModel.getMaxPreference() < estimate) {
        return dataModel.getMaxPreference();
    }/*from  w w w. jav a  2s  . co m*/
    if (estimate < dataModel.getMinPreference()) {
        return dataModel.getMinPreference();
    }
    return estimate;
}

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From source file:org.easyrec.mahout.EasyrecInMemoryDataModelTest.java

License:Open Source License

@Test
public void testEasyrecDataModel_getMaxPreference() throws TasteException {
    DataModel easyrecDataModel = new EasyrecDataModel(TENANT_ID, RATE_ACTION_TYPE_ID, HAS_RATING_VALUES,
            mahoutDataModelMappingDAO);/*from w ww  .ja  va2  s .  com*/
    easyrecDataModel = new EasyrecInMemoryDataModel(easyrecDataModel);
    Float maxPreference = easyrecDataModel.getMaxPreference();

    assertEquals(new Float(10), maxPreference);
}

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