def test_calculate_precision(self):
expected_precision = 0.
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 1, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 1./3
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 3, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 3./5
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 5, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 3./7
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 7, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 0.
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_2, predicted_ratings_2, 1, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 2./3
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_2, predicted_ratings_2, 3, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 2./3
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_2, predicted_ratings_2, 5, 4.0)
self.assertEqual(expected_precision, actual_precision)
def test_calculate_precision(self):
expected_precision = 0.
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 1, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 1. / 3
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 3, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 3. / 5
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 5, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 3. / 7
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_1, predicted_ratings_1, 7, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 0.
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_2, predicted_ratings_2, 1, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 2. / 3
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_2, predicted_ratings_2, 3, 4.0)
self.assertEqual(expected_precision, actual_precision)
expected_precision = 2. / 3
actual_precision = precision_in_top_n.calculate_precision(
known_ratings_2, predicted_ratings_2, 5, 4.0)
self.assertEqual(expected_precision, actual_precision)
def test_calculate_precision_none(self):
expected_precision = None
actual_precision = precision_in_top_n.calculate_precision([], [], 5,
4.0)
self.assertEqual(expected_precision, actual_precision)
def test_calculate_precision_none(self):
expected_precision = None
actual_precision = precision_in_top_n.calculate_precision([], [], 5, 4.0)
self.assertEqual(expected_precision, actual_precision)
