Examples of allSimilarItemIDs()

Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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                      new GenericItemSimilarity.ItemItemSimilarity(3L, 5L, 0.2),
                      new GenericItemSimilarity.ItemItemSimilarity(3L, 4L, 0.2));

    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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                      new GenericItemSimilarity.ItemItemSimilarity(3L, 4L, 0.2));

    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }

  @Test
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }

  @Test
  public void testAllSimilaritiesWithIndex() throws TasteException {
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }

  @Test
  public void testAllSimilaritiesWithIndex() throws TasteException {
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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                      new GenericItemSimilarity.ItemItemSimilarity(3L, 5L, 0.2),
                      new GenericItemSimilarity.ItemItemSimilarity(3L, 4L, 0.2));

    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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                      new GenericItemSimilarity.ItemItemSimilarity(3L, 4L, 0.2));

    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }

  private static boolean containsExactly(long[] allIDs, long... shouldContainID) {
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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    ItemSimilarity similarity = new GenericItemSimilarity(itemItemSimilarities);

    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }

  private static boolean containsExactly(long[] allIDs, long... shouldContainID) {
    return new FastIDSet(allIDs).intersectionSize(new FastIDSet(shouldContainID)) == shouldContainID.length;
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Examples of org.apache.mahout.cf.taste.similarity.ItemSimilarity.allSimilarItemIDs()

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    assertTrue(containsExactly(similarity.allSimilarItemIDs(1L), 2L, 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(2L), 1L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(3L), 1L, 5L, 4L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(4L), 3L));
    assertTrue(containsExactly(similarity.allSimilarItemIDs(5L), 3L));
  }

  private static boolean containsExactly(long[] allIDs, long... shouldContainID) {
    return new FastIDSet(allIDs).intersectionSize(new FastIDSet(shouldContainID)) == shouldContainID.length;
  }
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