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venv/lib/python3.7/site-packages/nltk/test/meteor.doctest

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+.. Copyright (C) 2001-2019 NLTK Project
+.. For license information, see LICENSE.TXT
+
+.. -*- coding: utf-8 -*-
+
+=============
+METEOR tests
+=============
+
+No Allignment test
+------------------
+
+    >>> from nltk.translate import meteor
+
+If the candidate has no alignment to any of the references, the METEOR score is 0.
+
+    >>> round(meteor(
+    ...     ['The candidate has no alignment to any of the references'],
+    ...     'John loves Mary'
+    ... ),4)
+    0.0
+
+Tests based on wikipedia examples
+---------------------------------
+
+Testing on `wikipedia examples <https://en.wikipedia.org/wiki/METEOR#Examples>`_
+
+    >>> same_res = round(meteor(
+    ...       ['The cat sat on the mat'], 
+    ...       'The cat sat on the mat'
+    ...       ),4)
+    >>> abs(same_res - 0.9977) < 1e-2
+    True
+
+    >>> meteor(
+    ...       ['The cat sat on the mat'], 
+    ...       'on the mat sat the cat'
+    ...       )
+    0.5
+
+    >>> round(meteor(
+    ...       ['The cat sat on the mat'], 
+    ...       'The cat was sat on the mat'
+    ...       ),4)
+    0.9654