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Adjust Python code to follow PEP8

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Martin Thoma 2015-11-20 23:12:22 +01:00
parent b36776fc27
commit de1ad26035
14 changed files with 349 additions and 311 deletions
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23
source-code/Pseudocode/WER-calculation/wer.py
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@ -1,17 +1,18 @@
#!/usr/bin/env python
def wer(r, h):
"""
Calculation of WER with Levenshtein distance.
Works only for iterables up to 254 elements (uint8).
O(nm) time ans space complexity.
Calculation of WER with Levenshtein distance.
Works only for iterables up to 254 elements (uint8).
O(nm) time ans space complexity.
>>> wer("who is there".split(), "is there".split())
1
>>> wer("who is there".split(), "".split())
3
>>> wer("".split(), "who is there".split())
3
>>> wer("who is there".split(), "is there".split())
1
>>> wer("who is there".split(), "".split())
3
>>> wer("".split(), "who is there".split())
3
"""
# initialisation
import numpy
@ -31,8 +32,8 @@ def wer(r, h):
d[i][j] = d[i-1][j-1]
else:
substitution = d[i-1][j-1] + 1
insertion = d[i][j-1] + 1
deletion = d[i-1][j] + 1
insertion = d[i][j-1] + 1
deletion = d[i-1][j] + 1
d[i][j] = min(substitution, insertion, deletion)
return d[len(r)][len(h)]