Add comments to _bandwidth_inv_ and _normkernels_

scikit-learn-contrib · Oct 7, 2024 · 23043e2 · 23043e2
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diff --git a/examples/neighbors/sparse-kde.py b/examples/neighbors/sparse-kde.py
@@ -202,7 +202,7 @@ def rij(period: np.ndarray, xi: np.ndarray, xj: np.ndarray) -> np.ndarray:
 print(f"RMSE_kde = {RMSE_kde:.2e}")
 
 # %%
-# We can see that the fitted model can perfectly capture the original one. Even though we
-# have not specified the number of the Gaussians, it can still perform well. This
+# We can see that the fitted model can perfectly capture the original one. Even though
+# we have not specified the number of the Gaussians, it can still perform well. This
 # allows us to fit distributions of the data automatically at a comparable quality
 # within a much shorter time than scipy.
diff --git a/src/skmatter/neighbors/_sparsekde.py b/src/skmatter/neighbors/_sparsekde.py
@@ -199,6 +199,7 @@ def fit(self, X, y=None, sample_weight=None):
         self : object
             Returns the instance itself.
         """
+        # Initialize/reset the cached properties, _bandwidth_inv and _normkernels
         self._bandwidth_inv_ = None
         self._normkernels_ = None
         self._check_dimension(X)