Add kernels.md to documentation utils

Author: jaime-cespedes-sisniega

docs/source/api_reference/utils.md

@@ -1,54 +1,9 @@
 # Utils
 
-```{eval-rst}
-.. automodule:: frouros.utils
-    :no-members:
-    :no-inherited-members:
-```
+The {mod}`frouros.utils` module contains auxiliary classes or functions.
 
-```{currentmodule} frouros.utils
-```
+```{toctree}
+:maxdepth: 2
 
-## Data structures
-
-```{eval-rst}
-.. automodule:: frouros.utils.data_structures
-    :no-members:
-    :no-inherited-members:
-```
-
-```{eval-rst}
-.. autosummary::
-    :toctree: auto_generated/
-    :template: class.md
-
-    EmptyQueueError
-    CircularQueue
-    AccuracyQueue
-```
-
-## Stats
-
-```{eval-rst}
-.. automodule:: frouros.utils.stats
-    :no-members:
-    :no-inherited-members:
-```
-
-```{eval-rst}
-.. autosummary::
-    :toctree: auto_generated/
-    :template: class.md
-
-    IncrementalStat
-    Mean
-    EWMA
-```
-
-```{eval-rst}
-.. autosummary::
-    :toctree: auto_generated/
-    :template: function.md
-
-    permutation
+utils/kernels
 ```

docs/source/api_reference/utils/kernels.md

@@ -0,0 +1,9 @@
+# Kernels
+
+The {mod}`frouros.utils.kernels` module contains auxiliary kernel functions.
+
+```{eval-rst}
+.. automodule:: frouros.utils.kernels
+    :members:
+    :no-inherited-members:
+```

frouros/detectors/data_drift/batch/distance_based/mmd.py

@@ -19,7 +19,7 @@
 class MMD(BaseDistanceBased):
     """MMD (Maximum Mean Discrepancy) [gretton2012kernel]_ detector.
 
-    :param kernel: kernel function, defaults to rbf_kernel
+    :param kernel: kernel function, defaults to :func:`rbf_kernel() <frouros.utils.kernels.rbf_kernel>`
     :type kernel: Callable
     :param chunk_size: chunk size value, defaults to None
     :type chunk_size: Optional[int]
@@ -45,7 +45,7 @@ class MMD(BaseDistanceBased):
     >>> _ = detector.fit(X=X)
     >>> detector.compare(X=Y)[0]
     DistanceResult(distance=0.02146955300299802)
-    """
+    """  # noqa: E501  # pylint: disable=line-too-long
 
     def __init__(  # noqa: D107
         self,

frouros/detectors/data_drift/streaming/distance_based/mmd.py

@@ -20,7 +20,7 @@ class MMD(BaseDistanceBased):
 
     :param window_size: window size value
     :type window_size: int
-    :param kernel: kernel function, defaults to rbf_kernel
+    :param kernel: kernel function, defaults to :func:`rbf_kernel() <frouros.utils.kernels.rbf_kernel>`
     :type kernel: Callable
     :param chunk_size: chunk size value, defaults to None
     :type chunk_size: Optional[int]
@@ -49,7 +49,7 @@ class MMD(BaseDistanceBased):
     ...     distance, _ = detector.update(value=sample)
     ...     if distance is not None:
     ...         print(distance)
-    """
+    """  # noqa: E501  # pylint: disable=line-too-long
 
     def __init__(  # noqa: D107
         self,