correct dim for 1 archetype case

aleixalcacer · Dec 22, 2024 · 91a6b7f · 91a6b7f
1 parent 1fecf52
commit 91a6b7f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/archetypes/numpy/_aa.py b/archetypes/numpy/_aa.py
@@ -235,7 +235,7 @@ def fit_transform(self, X, y=None):
 
         if self.n_archetypes == 1:
             n_samples = X.shape[0]
-            archetypes_ = np.mean(X, axis=0)
+            archetypes_ = np.mean(X, axis=0, keepdims=True)
             B_ = np.full((self.n_archetypes, n_samples), 1 / n_samples, dtype=X.dtype)
             A_ = np.ones((n_samples, self.n_archetypes), dtype=X.dtype)
             best_rss = squared_norm(X - archetypes_)