def first_test(self):
d = POSEvalDict()
d.add('NOUN', 'NOUN')
d.add('NOUN', 'VERB')
self.assertEqual(d.recall(), 50.)
self.assertEqual(d.accuracy(), 50.)
self.assertEqual(d.precision(), 50.)
def second_test(self):
d = POSEvalDict()
d.add('NOUN', 'NOUN')
d.add('NOUN', 'VERB')
d.add('NOUN', 'VERB')
d.add('VERB', 'NOUN')
d.add('VERB', 'VERB')
self.assertAlmostEqual(d.recall(), 40)
self.assertAlmostEqual(d.precision(), 40)
self.assertAlmostEqual(d.accuracy(), 40)
self.assertAlmostEqual(d.tag_recall('NOUN'), 33.3, places=1)
self.assertAlmostEqual(d.tag_precision('NOUN'), 50.0)
self.assertAlmostEqual(d.tag_recall('VERB'), 50, places=1)
self.assertAlmostEqual(d.tag_precision('VERB'), 33.3, places=1)
