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Expose Distance Information in KMedoids #168

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Expose Distance Information in KMedoids #168

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44c6b3f
distance parameter added on KMedoids
skfaysal Dec 13, 2023
e1e0164
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Dec 13, 2023
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10 changes: 9 additions & 1 deletion sklearn_extra/cluster/_k_medoids.py
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Original file line number Diff line number Diff line change
Expand Up @@ -311,7 +311,15 @@ def fit(self, X, y=None):
# the training data to clusters
self.labels_ = np.argmin(D[medoid_idxs, :], axis=0)
self.medoid_indices_ = medoid_idxs
self.inertia_ = _compute_inertia(self.transform(X))

# Extra Addition
distances = self.transform(X)
self.distances_ = distances

# Modification
self.inertia_ = _compute_inertia(
distances
) ## Prebiously this line was _compute_inertia(self.transform(X))

# Return self to enable method chaining
return self
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