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# -*- coding: utf-8 -*- |
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# Copyright 2014-2018 by Christopher C. Little. |
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# This file is part of Abydos. |
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# |
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# Abydos is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# Abydos is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with Abydos. If not, see <http://www.gnu.org/licenses/>. |
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"""abydos.tests.test_clustering. |
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This module contains unit tests for abydos.clustering |
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""" |
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from __future__ import unicode_literals |
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import unittest |
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import abydos.stats as stats |
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from abydos.clustering import mean_pairwise_similarity |
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NIALL = ('Niall', 'Neal', 'Neil', 'Njall', 'Njáll', 'Nigel', 'Neel', 'Nele', |
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'Nigelli', 'Nel', 'Kneale', 'Uí Néill', 'O\'Neill', 'MacNeil', |
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'MacNele', 'Niall Noígíallach') |
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NIALL_1WORD = ('Niall', 'Neal', 'Neil', 'Njall', 'Njáll', 'Nigel', 'Neel', |
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'Nele', 'Nigelli', 'Nel', 'Kneale', 'O\'Neill', 'MacNeil', |
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'MacNele') |
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class MPSTestCases(unittest.TestCase): |
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"""Test mean pairwise similarity functions. |
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abydos.clustering.mean_pairwise_similarity |
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""" |
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def test_mean_pairwise_similarity(self): |
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"""Test abydos.clustering.mean_pairwise_similarity.""" |
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self.assertEqual(mean_pairwise_similarity(NIALL), 0.29362587170180671) |
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self.assertEqual(mean_pairwise_similarity(NIALL, symmetric=True), |
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0.2936258717018066) |
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self.assertEqual(mean_pairwise_similarity(NIALL, meanfunc=stats.hmean), |
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0.29362587170180671) |
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self.assertEqual(mean_pairwise_similarity(NIALL, meanfunc=stats.hmean, |
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symmetric=True), |
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0.2936258717018066) |
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self.assertEqual(mean_pairwise_similarity(NIALL, meanfunc=stats.gmean), |
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0.33747245800668441) |
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self.assertEqual(mean_pairwise_similarity(NIALL, meanfunc=stats.gmean, |
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symmetric=True), |
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0.33747245800668441) |
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self.assertEqual(mean_pairwise_similarity(NIALL, meanfunc=stats.amean), |
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0.38009278711484601) |
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self.assertEqual(mean_pairwise_similarity(NIALL, meanfunc=stats.amean, |
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symmetric=True), |
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0.38009278711484623) |
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self.assertEqual(mean_pairwise_similarity(NIALL_1WORD), |
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mean_pairwise_similarity(' '.join(NIALL_1WORD))) |
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self.assertEqual(mean_pairwise_similarity(NIALL_1WORD, symmetric=True), |
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mean_pairwise_similarity(' '.join(NIALL_1WORD), |
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symmetric=True)) |
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self.assertEqual(mean_pairwise_similarity(NIALL_1WORD, |
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meanfunc=stats.gmean), |
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mean_pairwise_similarity(' '.join(NIALL_1WORD), |
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meanfunc=stats.gmean)) |
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self.assertEqual(mean_pairwise_similarity(NIALL_1WORD, |
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meanfunc=stats.amean), |
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mean_pairwise_similarity(' '.join(NIALL_1WORD), |
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meanfunc=stats.amean)) |
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self.assertRaises(ValueError, mean_pairwise_similarity, ['a b c']) |
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self.assertRaises(ValueError, mean_pairwise_similarity, 'abc') |
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self.assertRaises(ValueError, mean_pairwise_similarity, 0) |
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self.assertRaises(ValueError, mean_pairwise_similarity, NIALL, |
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meanfunc='imaginary') |
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self.assertEqual(mean_pairwise_similarity(NIALL), |
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mean_pairwise_similarity(tuple(NIALL))) |
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self.assertEqual(mean_pairwise_similarity(NIALL), |
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mean_pairwise_similarity(list(NIALL))) |
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self.assertAlmostEqual(mean_pairwise_similarity(NIALL), |
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mean_pairwise_similarity(sorted(NIALL))) |
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self.assertAlmostEqual(mean_pairwise_similarity(NIALL), |
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mean_pairwise_similarity(set(NIALL))) |
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if __name__ == '__main__': |
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unittest.main() |
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