PCQRSCANER/venv/Lib/site-packages/nltk/test/meteor.doctest
2019-12-22 21:51:47 +01:00

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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