def test_all_and_no_boundaries(self):
'''
Test whether all segments versus no segments produces 1.0.
'''
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
b = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
self.assertEqual(pk(a, b, **self.kwargs), Decimal('1.0'))
self.assertEqual(pk(b, a, **self.kwargs), Decimal('1.0'))
def test_all_and_no_boundaries(self):
'''
Test whether all segments versus no segments produces 1.0.
'''
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
b = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
self.assertEqual(pk(a, b, **self.kwargs), Decimal('1.0'))
self.assertEqual(pk(b, a, **self.kwargs), Decimal('1.0'))
def test_no_boundaries(self):
'''
Test whether no segments versus some segments produce 1.0.
'''
a = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
self.assertEqual(pk(b, a, **self.kwargs), Decimal('1.0'))
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.3636363636363636363636363636'))
def test_extra_boundary(self):
'''
Test whether 1/3 segments that are non-existent produces 0.091.
'''
a = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.09090909090909090909090909091'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.09090909090909090909090909091'))
def test_extra_boundary(self):
'''
Test whether 1/3 segments that are non-existent produces 0.091.
'''
a = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.09090909090909090909090909091'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.09090909090909090909090909091'))
def test_identical(self):
'''
Test whether identical segmentations produce 0.0.
'''
a = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
one_minus_kwargs = dict(TestPk.kwargs)
one_minus_kwargs['one_minus'] = True
self.assertEqual(pk(a, b, **self.kwargs), Decimal('0.0'))
self.assertEqual(pk(a, b, **one_minus_kwargs), Decimal('1.0'))
def test_no_boundaries(self):
'''
Test whether no segments versus some segments produce 1.0.
'''
a = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('1.0'))
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.3636363636363636363636363636'))
def test_identical(self):
'''
Test whether identical segmentations produce 0.0.
'''
a = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
one_minus_kwargs = dict(TestPk.kwargs)
one_minus_kwargs['one_minus'] = True
self.assertEqual(pk(a, b, **self.kwargs), Decimal('0.0'))
self.assertEqual(pk(a, b, **one_minus_kwargs), Decimal('1.0'))
def test_full_miss_and_misaligned(self):
'''
Test whether a full miss and a translated boundary out of 4 produces
0.273.
'''
a = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.2727272727272727272727272727'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.2727272727272727272727272727'))
def test_all_boundaries(self):
'''
Test whether all segments versus some segments produces 7/11 = 0.636
erroneous windows.
'''
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.6363636363636363636363636364'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.6363636363636363636363636364'))
def test_full_miss_and_misaligned(self):
'''
Test whether a full miss and a translated boundary out of 4 produces
0.273.
'''
a = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.2727272727272727272727272727'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.2727272727272727272727272727'))
def test_all_boundaries(self):
'''
Test whether all segments versus some segments produces 7/11 = 0.636
erroneous windows.
'''
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.6363636363636363636363636364'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.6363636363636363636363636364'))
def test_translated_boundary(self):
'''
Test whether 2/3 total segments participate in mis-alignment produces
0.182.
'''
a = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.1818181818181818181818181818'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.1818181818181818181818181818'))
def test_translated_boundary(self):
'''
Test whether 2/3 total segments participate in mis-alignment produces
0.182.
'''
a = [1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
self.assertEqual(pk(a, b, **self.kwargs),
Decimal('0.1818181818181818181818181818'))
self.assertEqual(pk(b, a, **self.kwargs),
Decimal('0.1818181818181818181818181818'))
def test_long_format(self):
hypothesis = (2, 31, 4, 1, 1, 3, 11, 5, 21, 4, 2, 1, 17, 26, 16, 1, 17,
4, 3, 7, 7, 6, 12, 1, 6, 25, 2, 4, 3, 16, 8)
reference = (2, 36, 1, 3, 10, 1, 5, 21, 4, 3, 59, 8, 10, 4, 3, 7, 13,
12, 7, 27, 4, 3, 24)
self.assertAlmostEqual(pk(hypothesis, reference),
Decimal('0.1532567049808429118773946360'))
def test_large_disagreement(self):
'''
Calculate mean permuted pairwise Pk on a theoretical dataset
containing large disagreement.
'''
self.assertAlmostEquals(summarize(pk(LARGE_DISAGREEMENT)),
(1.0, 0.0, 0.0, 0.0, 8))
def test_dataset_kwargs(self):
'''
Calculate mean permuted pairwise Pk on a theoretical dataset
containing complete agreement.
'''
self.assertAlmostEquals(summarize(pk(dataset=COMPLETE_AGREEMENT)),
(0.0, 0.0, 0.0, 0.0, 48))
def test_long_format(self):
hypothesis = (
2,
31,
4,
1,
1,
3,
11,
5,
21,
4,
2,
1,
17,
26,
16,
1,
17,
4,
3,
7,
7,
6,
12,
1,
6,
25,
2,
4,
3,
16,
8)
reference = (
2,
36,
1,
3,
10,
1,
5,
21,
4,
3,
59,
8,
10,
4,
3,
7,
13,
12,
7,
27,
4,
3,
24)
self.assertAlmostEqual(
pk(hypothesis, reference),
Decimal('0.1532567049808429118773946360'))
def test_boundary_format_nltk(self):
'''
Test the nltk boundary format.
'''
value = pk('0100100000',
'0101000000',
window_size=2,
boundary_format=BoundaryFormat.nltk)
self.assertAlmostEqual(Decimal('0.2222222'), value)
def test_parts(self):
'''
Test parts.
'''
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
metric_kwargs = dict(self.kwargs)
metric_kwargs['return_parts'] = True
self.assertEqual(pk(a, b, **metric_kwargs), (7, 11))
def test_boundary_format_nltk(self):
'''
Test the nltk boundary format.
'''
value = pk(
'0100100000',
'0101000000',
window_size=2,
boundary_format=BoundaryFormat.nltk)
self.assertAlmostEqual(Decimal('0.2222222'), value)
def test_kazantseva2012_g5(self):
'''
Calculate permuted pairwise Pk on Group 5 from the dataset
collected in [KazantsevaSzpakowicz2012]_.
'''
self.assertAlmostEquals(
summarize(pk(KAZANTSEVA2012_G5)),
(Decimal('0.35530058282396693'), Decimal('0.11001760846099215'),
Decimal('0.012103874171476172'), Decimal('0.015879673965138168'),
48))
def test_all_kwargs_hyp_ref(self):
'''
Test whether a full miss and a translated boundary out of 4 produces
0.273.
'''
metric_kwargs = dict(self.kwargs)
metric_kwargs['hypothesis'] = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
metric_kwargs['reference'] = [1, 1, 1, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4]
self.assertEqual(pk(**metric_kwargs),
Decimal('0.2727272727272727272727272727'))
def test_kazantseva2012_g2(self):
'''
Calculate mean permuted pairwise Pk on Group 2 from the dataset
collected in [KazantsevaSzpakowicz2012]_.
'''
self.assertAlmostEquals(
summarize(pk(KAZANTSEVA2012_G2)),
(Decimal('0.2882256923776327507173609771'),
Decimal('0.1454395656787966169084191445'),
Decimal('0.02115266726483699483402909754'),
Decimal('0.01327675514600517730547602481'), 120))
def test_all_kwargs_hyp_ref(self):
'''
Test whether a full miss and a translated boundary out of 4 produces
0.273.
'''
metric_kwargs = dict(self.kwargs)
metric_kwargs['hypothesis'] = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
metric_kwargs['reference'] = [1, 1, 1, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4]
self.assertEqual(pk(**metric_kwargs),
Decimal('0.2727272727272727272727272727'))
def test_parts(self):
'''
Test parts.
'''
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
b = [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3]
metric_kwargs = dict(self.kwargs)
metric_kwargs['return_parts'] = True
self.assertEqual(pk(a, b, **metric_kwargs),
(7, 11))
def test_kazantseva2012_g5(self):
'''
Calculate permuted pairwise Pk on Group 5 from the dataset
collected in [KazantsevaSzpakowicz2012]_.
'''
self.assertAlmostEquals(summarize(pk(KAZANTSEVA2012_G5)),
(Decimal('0.35530058282396693'),
Decimal('0.11001760846099215'),
Decimal('0.012103874171476172'),
Decimal('0.015879673965138168'),
48))
def test_pk_datasets(self):
'''
Test pk upon two datasets.
'''
hypothesis = HYPOTHESIS_STARGAZER
reference = HEARST_1997_STARGAZER
value = pk(hypothesis, reference)
self.assertAlmostEquals(float(value['stargazer,h1,1']), 0.26315789)
self.assertAlmostEquals(float(value['stargazer,h2,1']), 0.36842105)
self.assertAlmostEquals(float(value['stargazer,h1,2']), 0.42105263)
self.assertAlmostEquals(float(value['stargazer,h2,2']), 0.42105263)
def test_kazantseva2012_g2(self):
'''
Calculate mean permuted pairwise Pk on Group 2 from the dataset
collected in [KazantsevaSzpakowicz2012]_.
'''
self.assertAlmostEquals(summarize(pk(KAZANTSEVA2012_G2)),
(Decimal('0.2882256923776327507173609771'),
Decimal('0.1454395656787966169084191445'),
Decimal('0.02115266726483699483402909754'),
Decimal('0.01327675514600517730547602481'),
120))
def test_dataset_kwargs(self):
'''
Calculate mean permuted pairwise Pk on a theoretical dataset
containing complete agreement.
'''
self.assertAlmostEquals(summarize(pk(dataset=COMPLETE_AGREEMENT)),
(0.0,
0.0,
0.0,
0.0,
48))
def test_large_disagreement(self):
'''
Calculate mean permuted pairwise Pk on a theoretical dataset
containing large disagreement.
'''
self.assertAlmostEquals(summarize(pk(LARGE_DISAGREEMENT)),
(1.0,
0.0,
0.0,
0.0,
8))
def test_pk_datasets(self):
'''
Test pk upon two datasets.
'''
hypothesis = HYPOTHESIS_STARGAZER
reference = HEARST_1997_STARGAZER
value = pk(hypothesis, reference)
self.assertAlmostEquals(float(value['stargazer,h1,1']), 0.26315789)
self.assertAlmostEquals(float(value['stargazer,h2,1']), 0.36842105)
self.assertAlmostEquals(float(value['stargazer,h1,2']), 0.42105263)
self.assertAlmostEquals(float(value['stargazer,h2,2']), 0.42105263)
def test_nltk(self):
'''
Runs Pk tests from https://github.com/nltk/nltk/blob/master/nltk/test/segmentation.doctest
'''
# Originally 0.0
self.assertAlmostEqual(
pk('1000100', '1000100', window_size=3,
boundary_format=BoundaryFormat.nltk),
Decimal('0.0'))
# Originally 0.5
self.assertAlmostEqual(
pk('010', '100', window_size=2,
boundary_format=BoundaryFormat.nltk),
Decimal('0.5'))
# Originally 0.64
self.assertAlmostEqual(
pk('111111', '100100', window_size=2,
boundary_format=BoundaryFormat.nltk),
Decimal('0.4'))
# Originally 0.04
self.assertAlmostEqual(
pk('000000', '100100', window_size=2,
boundary_format=BoundaryFormat.nltk),
Decimal('0.6'))
# Originally 0.25
self.assertAlmostEqual(
pk('111111', '100100', window_size=3,
boundary_format=BoundaryFormat.nltk),
Decimal('0'))
# Originally 0.25
self.assertAlmostEqual(
pk('000000', '100100', window_size=3,
boundary_format=BoundaryFormat.nltk),
Decimal('1'))
def example_in_paper_test():
gold = [2, 3, 6]
h_list = [[5, 6], [2, 2, 7], [2, 3, 3, 3], [1, 1, 3, 1, 5]]
for n, h in enumerate(h_list):
cm = boundary_confusion_matrix(h, gold)
print("第%d次实验" % int(n + 1))
# The P, R and F values are different from those in the normal method because it will correct the near missing.
print("P=%.4f, R=%.4f, F=%.4f" %
(precision(cm), recall(cm), fmeasure(cm)))
print("1-Pk=%.3f, 1-WD=%.3f, B=%.3f, S=%.3f" %
(pk(h, gold,
one_minus=True), WD(h, gold, one_minus=True,
window_size=2), B(h, gold), S(h, gold)))
def test_nltk(self):
'''
Runs Pk tests from https://github.com/nltk/nltk/blob/master/nltk/test/segmentation.doctest
'''
# Originally 0.0
self.assertAlmostEqual(
pk('1000100',
'1000100',
window_size=3,
boundary_format=BoundaryFormat.nltk), Decimal('0.0'))
# Originally 0.5
self.assertAlmostEqual(
pk('010',
'100',
window_size=2,
boundary_format=BoundaryFormat.nltk), Decimal('0.5'))
# Originally 0.64
self.assertAlmostEqual(
pk('111111',
'100100',
window_size=2,
boundary_format=BoundaryFormat.nltk), Decimal('0.4'))
# Originally 0.04
self.assertAlmostEqual(
pk('000000',
'100100',
window_size=2,
boundary_format=BoundaryFormat.nltk), Decimal('0.6'))
# Originally 0.25
self.assertAlmostEqual(
pk('111111',
'100100',
window_size=3,
boundary_format=BoundaryFormat.nltk), Decimal('0'))
# Originally 0.25
self.assertAlmostEqual(
pk('000000',
'100100',
window_size=3,
boundary_format=BoundaryFormat.nltk), Decimal('1'))
def test_return_parts_dataset(self):
'''
Test one minus.
'''
value = pk([2, 3, 6], [2, 2, 7], return_parts=True)
self.assertEqual((2, 9), value)
def test_return_parts(self):
'''
Test one minus.
'''
value = pk(KAZANTSEVA2012_G5, return_parts=True)
self.assertEqual((3, 10), value['ch1,an3,an1'])
def test_return_parts_dataset(self):
'''
Test one minus.
'''
value = pk([2, 3, 6], [2, 2, 7], return_parts=True)
self.assertEqual((2, 9), value)
def test_one_minus(self):
'''
Test one minus.
'''
value = pk([2, 3, 6], [2, 2, 7], one_minus=True)
self.assertAlmostEqual(Decimal('0.77777777'), value)
def test_one_minus(self):
'''
Test one minus.
'''
value = pk([2, 3, 6], [2, 2, 7], one_minus=True)
self.assertAlmostEqual(Decimal('0.77777777'), value)
def test_window_size_specified(self):
'''
Test when window size is specified.
'''
value = pk([2, 3, 6], [2, 2, 7], window_size=2)
self.assertAlmostEqual(Decimal('0.2222222'), value)
def test_return_parts(self):
'''
Test one minus.
'''
value = pk(KAZANTSEVA2012_G5, return_parts=True)
self.assertEqual((3, 10), value['ch1,an3,an1'])
def test_window_size_specified(self):
'''
Test when window size is specified.
'''
value = pk([2, 3, 6], [2, 2, 7], window_size=2)
self.assertAlmostEqual(Decimal('0.2222222'), value)