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[ENH] Cluster initialisation refactor #3122

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[ENH] Cluster initialisation refactor #3122

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9368a9c
added new _cluster_initilisation and utility functions to be used in …
chrisholder Nov 19, 2025
0c8459c
added tests for init
chrisholder Nov 19, 2025
c0643c6
expanded tests
chrisholder Nov 19, 2025
ac90012
fixed medoids to use indexes
chrisholder Nov 20, 2025
c5405db
fixed serialisation
chrisholder Nov 20, 2025
e4a5779
kmedoids++ support negative distances
chrisholder Nov 20, 2025
819e124
added docstring and updated function params
chrisholder Nov 22, 2025
28c8cac
minor
chrisholder Nov 22, 2025
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2 changes: 1 addition & 1 deletion aeon/clustering/_clarans.py
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Original file line number Diff line number Diff line change
Expand Up @@ -128,7 +128,7 @@ def _fit_one_init(self, X: np.ndarray, max_neighbours: int):
j = 0
X_indexes = np.arange(X.shape[0], dtype=int)
if isinstance(self._init, Callable):
best_medoids = self._init(X)
best_medoids = self._init(X=X)
else:
best_medoids = self._init
best_non_medoids = np.setdiff1d(X_indexes, best_medoids)
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