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Investigate test_precomputed_nearest_neighbors_filtering[60] failure on CI #31262

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Merged
merged 5 commits into from
Apr 30, 2025
Merged

Investigate test_precomputed_nearest_neighbors_filtering[60] failure on CI #31262

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4d6394f
[azure parallel] [all random seeds]
ogrisel Apr 28, 2025
fd84c5b
Increase the number of samples hopefully make the test more stable [a…
ogrisel Apr 28, 2025
7f12b33
Use more dims to decrease likelihood of ties + precompute a distance …
ogrisel Apr 28, 2025
499bc60
Merge branch 'main' into unstable-ci-issue-31256
ogrisel Apr 28, 2025
d444653
Merge branch 'main' into unstable-ci-issue-31256
ogrisel Apr 29, 2025
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4 changes: 2 additions & 2 deletions sklearn/cluster/tests/test_spectral.py
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Original file line number Diff line number Diff line change
Expand Up @@ -106,15 +106,15 @@ def test_precomputed_nearest_neighbors_filtering(global_random_seed):
X, y = make_blobs(
n_samples=250,
random_state=global_random_seed,
centers=[[1, 1], [-1, -1]],
centers=[[1, 1, 1], [-1, -1, -1]],
cluster_std=0.01,
)

n_neighbors = 2
results = []
for additional_neighbors in [0, 10]:
nn = NearestNeighbors(n_neighbors=n_neighbors + additional_neighbors).fit(X)
graph = nn.kneighbors_graph(X, mode="connectivity")
graph = nn.kneighbors_graph(X, mode="distance")
labels = (
SpectralClustering(
random_state=global_random_seed,
Expand Down