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Changed normalize() #439

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Merged
norvig merged 2 commits into from
Apr 12, 2017
Merged

Changed normalize() #439

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8777ee7
Fixed normalize()
Chipe1 Mar 29, 2017
2ef0faa
Update test for normalize()
Chipe1 Mar 29, 2017
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4 changes: 2 additions & 2 deletions 4 nlp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -318,8 +318,8 @@ def normalize(pages):
summed_hub = sum(page.hub**2 for _, page in pages.items())
summed_auth = sum(page.authority**2 for _, page in pages.items())
for _, page in pages.items():
page.hub /= summed_hub
page.authority /= summed_auth
page.hub /= summed_hub**0.5
page.authority /= summed_auth**0.5


class ConvergenceDetector(object):
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2 changes: 1 addition & 1 deletion 2 tests/test_nlp.py
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Expand Up @@ -95,7 +95,7 @@ def test_relevant_pages():
def test_normalize():
normalize(pageDict)
print(page.hub for addr, page in nlp.pagesIndex.items())
expected_hub = [1/91, 2/91, 3/91, 4/91, 5/91, 6/91] # Works only for sample data above
expected_hub = [1/91**0.5, 2/91**0.5, 3/91**0.5, 4/91**0.5, 5/91**0.5, 6/91**0.5] # Works only for sample data above
expected_auth = list(reversed(expected_hub))
assert len(expected_hub) == len(expected_auth) == len(nlp.pagesIndex)
assert expected_hub == [page.hub for addr, page in sorted(nlp.pagesIndex.items())]
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