本文整理汇总了Python中gensim.models.LdaModel.diff方法的典型用法代码示例。如果您正苦于以下问题：Python LdaModel.diff方法的具体用法？Python LdaModel.diff怎么用？Python LdaModel.diff使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类gensim.models.LdaModel的用法示例。
在下文中一共展示了LdaModel.diff方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestLdaDiff
# 需要导入模块: from gensim.models import LdaModel [as 别名]
# 或者: from gensim.models.LdaModel import diff [as 别名]
class TestLdaDiff(unittest.TestCase):
def setUp(self):
self.dictionary = common_dictionary
self.corpus = common_corpus
self.num_topics = 5
self.n_ann_terms = 10
self.model = LdaModel(corpus=self.corpus, id2word=self.dictionary, num_topics=self.num_topics, passes=10)
def testBasic(self):
# test for matrix case
mdiff, annotation = self.model.diff(self.model, n_ann_terms=self.n_ann_terms)
self.assertEqual(mdiff.shape, (self.num_topics, self.num_topics))
self.assertEqual(len(annotation), self.num_topics)
self.assertEqual(len(annotation[0]), self.num_topics)
# test for diagonal case
mdiff, annotation = self.model.diff(self.model, n_ann_terms=self.n_ann_terms, diagonal=True)
self.assertEqual(mdiff.shape, (self.num_topics,))
self.assertEqual(len(annotation), self.num_topics)
def testIdentity(self):
for dist_name in ["hellinger", "kullback_leibler", "jaccard"]:
# test for matrix case
mdiff, annotation = self.model.diff(self.model, n_ann_terms=self.n_ann_terms, distance=dist_name)
for row in annotation:
for (int_tokens, diff_tokens) in row:
self.assertEqual(diff_tokens, [])
self.assertEqual(len(int_tokens), self.n_ann_terms)
self.assertTrue(np.allclose(np.diag(mdiff), np.zeros(mdiff.shape[0], dtype=mdiff.dtype)))
if dist_name == "jaccard":
self.assertTrue(np.allclose(mdiff, np.zeros(mdiff.shape, dtype=mdiff.dtype)))
# test for diagonal case
mdiff, annotation = \
self.model.diff(self.model, n_ann_terms=self.n_ann_terms, distance=dist_name, diagonal=True)
for (int_tokens, diff_tokens) in annotation:
self.assertEqual(diff_tokens, [])
self.assertEqual(len(int_tokens), self.n_ann_terms)
self.assertTrue(np.allclose(mdiff, np.zeros(mdiff.shape, dtype=mdiff.dtype)))
if dist_name == "jaccard":
self.assertTrue(np.allclose(mdiff, np.zeros(mdiff.shape, dtype=mdiff.dtype)))
def testInput(self):
self.assertRaises(ValueError, self.model.diff, self.model, n_ann_terms=self.n_ann_terms, distance='something')
self.assertRaises(ValueError, self.model.diff, [], n_ann_terms=self.n_ann_terms, distance='something')示例2: TestLdaDiff
# 需要导入模块: from gensim.models import LdaModel [as 别名]
# 或者: from gensim.models.LdaModel import diff [as 别名]
class TestLdaDiff(unittest.TestCase):
def setUp(self):
texts = [
['human', 'interface', 'computer'],
['survey', 'user', 'computer', 'system', 'response', 'time'],
['eps', 'user', 'interface', 'system'],
['system', 'human', 'system', 'eps'],
['user', 'response', 'time'],
['trees'],
['graph', 'trees'],
['graph', 'minors', 'trees'],
['graph', 'minors', 'survey'],
]
self.dictionary = Dictionary(texts)
self.corpus = [self.dictionary.doc2bow(text) for text in texts]
self.num_topics = 5
self.n_ann_terms = 10
self.model = LdaModel(corpus=self.corpus, id2word=self.dictionary, num_topics=self.num_topics, passes=10)
def testBasic(self):
mdiff, annotation = self.model.diff(self.model, n_ann_terms=self.n_ann_terms)
self.assertEqual(mdiff.shape, (self.num_topics, self.num_topics))
self.assertEquals(len(annotation), self.num_topics)
self.assertEquals(len(annotation[0]), self.num_topics)
def testIdentity(self):
for dist_name in ["hellinger", "kullback_leibler", "jaccard"]:
mdiff, annotation = self.model.diff(self.model, n_ann_terms=self.n_ann_terms, distance=dist_name)
for row in annotation:
for (int_tokens, diff_tokens) in row:
self.assertEquals(diff_tokens, [])
self.assertEquals(len(int_tokens), self.n_ann_terms)
self.assertTrue(np.allclose(np.diag(mdiff), np.zeros(mdiff.shape[0], dtype=mdiff.dtype)))
if dist_name == "jaccard":
self.assertTrue(np.allclose(mdiff, np.zeros(mdiff.shape, dtype=mdiff.dtype)))
def testInput(self):
self.assertRaises(ValueError, self.model.diff, self.model, n_ann_terms=self.n_ann_terms, distance='something')
self.assertRaises(ValueError, self.model.diff, [], n_ann_terms=self.n_ann_terms, distance='something')