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Update Betweenness Centrality normalization #4974

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merged 7 commits into from
Mar 20, 2025
+191 −39
Merged

Update Betweenness Centrality normalization #4974

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03f142e
update BC normalization
ChuckHastings Mar 14, 2025
56b53f4
update BC to improve normalizationm computation
ChuckHastings Mar 18, 2025
4c9b203
after discussion, add back the halving of unnormalized results on und…
ChuckHastings Mar 19, 2025
52c7962
Merge branch 'branch-25.04' into fix_betweenness_normalization
ChuckHastings Mar 19, 2025
4592042
Update python/cugraph/cugraph/tests/centrality/test_betweenness_centr…
ChuckHastings Mar 19, 2025
2df0021
Merge branch 'branch-25.04' into fix_betweenness_normalization
ChuckHastings Mar 20, 2025
e41ce24
handle case where we might get 0
ChuckHastings Mar 20, 2025
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Update python/cugraph/cugraph/tests/centrality/test_betweenness_centr… 
…ality.py

Co-authored-by: Erik Welch <erik.n.welch@gmail.com>
@ChuckHastings @eriknw
ChuckHastings and eriknw authored Mar 19, 2025
commit 4592042ffe32a8d143f910e1ebc64cc27f253b94
4 changes: 2 additions & 2 deletions python/cugraph/cugraph/tests/centrality/test_betweenness_centrality.py
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Original file line number Diff line number Diff line change
@@ -550,9 +550,9 @@ def test_betweenness_centrality_nx(graph_file, directed, edgevals):
(False, True, False, None, {0: 10.0, 1: 4.0, 2: 4.0, 3: 4.0, 4: 4.0}),
(False, True, False, 1, {0: 10.0, 1: 10.0, 2: 2.5, 3: 2.5, 4: 2.5}),
(False, False, True, None, {0: 12.0, 1: 0.0, 2: 0.0, 3: 0.0, 4: 0.0}),
(False, False, True, 1, {0: 15.0, 1: 0.0, 2: 0.0, 3: 0.0, 4: 0.0}),
(False, False, True, 1, {0: 12.0, 1: 0.0, 2: 0.0, 3: 0.0, 4: 0.0}),
(False, False, False, None, {0: 6.0, 1: 0.0, 2: 0.0, 3: 0.0, 4: 0.0}),
(False, False, False, 1, {0: 7.5, 1: 0.0, 2: 0.0, 3: 0.0, 4: 0.0}),
(False, False, False, 1, {0: 6.0, 1: 0.0, 2: 0.0, 3: 0.0, 4: 0.0}),
],
)
def test_scale_with_k_on_star_graph(normalized, endpoints, is_directed, k, expected):