diff --git a/tensorflow/python/keras/callbacks.py b/tensorflow/python/keras/callbacks.py index 138a682c7398aed6c4db29bdc1ded9432de784fb..9e7575a232b285dcb65e8bb62e3349f6cb536d88 100644 --- a/tensorflow/python/keras/callbacks.py +++ b/tensorflow/python/keras/callbacks.py @@ -665,8 +665,9 @@ class Callback(object): Arguments: batch: Integer, index of batch within the current epoch. - logs: Dict. Has keys `batch` and `size` representing the current batch - number and the size of the batch. + logs: Dict, contains the return value of `model.train_step`. Typically, + the values of the `Model`'s metrics are returned. Example: + `{'loss': 0.2, 'accuracy': 0.7}`. """ # For backwards compatibility. self.on_batch_begin(batch, logs=logs) @@ -697,8 +698,9 @@ class Callback(object): Arguments: batch: Integer, index of batch within the current epoch. - logs: Dict. Has keys `batch` and `size` representing the current batch - number and the size of the batch. + logs: Dict, contains the return value of `model.test_step`. Typically, + the values of the `Model`'s metrics are returned. Example: + `{'loss': 0.2, 'accuracy': 0.7}`. """ @doc_controls.for_subclass_implementers @@ -725,8 +727,9 @@ class Callback(object): Arguments: batch: Integer, index of batch within the current epoch. - logs: Dict. Has keys `batch` and `size` representing the current batch - number and the size of the batch. + logs: Dict, contains the return value of `model.predict_step`, + it typically returns a dict with a key 'outputs' containing + the model's outputs. """ @doc_controls.for_subclass_implementers