scikit-learn
diff --git a/‎doc/whats_new/upcoming_changes/sklearn.utils/31564.enhancement.rst
Lines changed: 5 additions & 0 deletions b/‎doc/whats_new/upcoming_changes/sklearn.utils/31564.enhancement.rst
Lines changed: 5 additions & 0 deletions
diff --git a/‎sklearn/base.py
Lines changed: 12 additions & 2 deletions b/‎sklearn/base.py
Lines changed: 12 additions & 2 deletions
@@ -0,0 +1,5 @@
+- The parameter table in the HTML representation of all scikit-learn estimators and
+  more generally of estimators inheriting from :class:`base.BaseEstimator`
+  now displays the parameter description as a tooltip and has a link to the online
+  documentation for each parameter.
+  By :user:`Dea María Léon <DeaMariaLeon>`.
@@ -261,7 +261,7 @@ def get_params(self, deep=True):
             out[key] = value
         return out
 
-    def _get_params_html(self, deep=True):
+    def _get_params_html(self, deep=True, doc_link=""):
         """
         Get parameters for this estimator with a specific HTML representation.
 
@@ -271,6 +271,11 @@ def _get_params_html(self, deep=True):
             If True, will return the parameters for this estimator and
             contained subobjects that are estimators.
 
+        doc_link : str
+            URL to the estimator documentation.
+            Used for linking to the estimator's parameters documentation
+            available in HTML displays.
+
         Returns
         -------
         params : ParamsDict
@@ -319,7 +324,12 @@ def is_non_default(param_name, param_value):
             [name for name, value in ordered_out.items() if is_non_default(name, value)]
         )
 
-        return ParamsDict(ordered_out, non_default=non_default_ls)
+        return ParamsDict(
+            params=ordered_out,
+            non_default=non_default_ls,
+            estimator_class=self.__class__,
+            doc_link=doc_link,
+        )
 
     def set_params(self, **params):
         """Set the parameters of this estimator.