DOC add an example in docstring of OneVsOneClassifier (scikit-learn#16700)

j0rd1smit · adrinjalali · commit 420faf70b640 · 2020-05-19T10:00:50.000+02:00
diff --git a/sklearn/multiclass.py b/sklearn/multiclass.py
@@ -523,6 +523,20 @@ class OneVsOneClassifier(MetaEstimatorMixin, ClassifierMixin, BaseEstimator):
     pairwise_indices_ : list, length = ``len(estimators_)``, or ``None``
         Indices of samples used when training the estimators.
         ``None`` when ``estimator`` does not have ``_pairwise`` attribute.
+
+    Examples
+    --------
+    >>> from sklearn.datasets import load_iris
+    >>> from sklearn.model_selection import train_test_split
+    >>> from sklearn.multiclass import OneVsOneClassifier
+    >>> from sklearn.svm import LinearSVC
+    >>> X, y = load_iris(return_X_y=True)
+    >>> X_train, X_test, y_train, y_test = train_test_split(
+    ...     X, y, test_size=0.33, shuffle=True, random_state=0)
+    >>> clf = OneVsOneClassifier(
+    ...     LinearSVC(random_state=0)).fit(X_train, y_train)
+    >>> clf.predict(X_test[:10])
+    array([2, 1, 0, 2, 0, 2, 0, 1, 1, 1])
     """
     @_deprecate_positional_args
     def __init__(self, estimator, *, n_jobs=None):
