MAINT Validate parameter for sklearn.cluster.cluster_optics_xi (#25385)

Anthony22-dev · anthonypic22 · glemaitre · web-flow · commit 2c555ef2721e · 2023-01-24T19:26:39.000Z
Co-authored-by: adossantosalfam &lt;anthony.dos_santos_alfama@insa-rouen.fr&gt;
Co-authored-by: Guillaume Lemaitre &lt;g.lemaitre58@gmail.com&gt;
diff --git a/sklearn/cluster/_optics.py b/sklearn/cluster/_optics.py
@@ -711,6 +711,24 @@ def cluster_optics_dbscan(*, reachability, core_distances, ordering, eps):
     return labels
 
 
+@validate_params(
+    {
+        "reachability": [np.ndarray],
+        "predecessor": [np.ndarray],
+        "ordering": [np.ndarray],
+        "min_samples": [
+            Interval(Integral, 1, None, closed="neither"),
+            Interval(Real, 0, 1, closed="both"),
+        ],
+        "min_cluster_size": [
+            Interval(Integral, 1, None, closed="neither"),
+            Interval(Real, 0, 1, closed="both"),
+            None,
+        ],
+        "xi": [Interval(Real, 0, 1, closed="both")],
+        "predecessor_correction": ["boolean"],
+    }
+)
 def cluster_optics_xi(
     *,
     reachability,
diff --git a/sklearn/tests/test_public_functions.py b/sklearn/tests/test_public_functions.py
@@ -98,6 +98,7 @@ def _check_function_param_validation(
     "sklearn.cluster.compute_optics_graph",
     "sklearn.cluster.estimate_bandwidth",
     "sklearn.cluster.kmeans_plusplus",
+    "sklearn.cluster.cluster_optics_xi",
     "sklearn.cluster.ward_tree",
     "sklearn.covariance.empirical_covariance",
     "sklearn.covariance.shrunk_covariance",
