Java RMSE示例

示例#1

文件： RMSETest.java 项目： yuanruiliu/infoanalytics

  @Test
  public void testRMSE() {
    UVRecommender rec = MockRecommender.getDefault();
    Map<Integer, Double> recommendations = rec.predictRatings(1);

    double error = RMSE.evaluate(GROUND_TRUTH, recommendations);
    assertEquals(TRUE_RMSE, error, 0.0001);
  }