DOC add examples for Gaussian Processes and improve User Guide
@@ -467,6 +467,8 @@ class GaussianProcessClassifier(ClassifierMixin, BaseEstimator):
classifiers are fitted. Note that this class thus does not implement
a true multi-class Laplace approximation.
+ Read more in the :ref:`User Guide <gaussian_process>`.
+
Parameters
----------
kernel : kernel instance, default=None
