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tf.keras.callbacks.BaseLogger

TensorFlow 1 version View source on GitHub

Callback that accumulates epoch averages of metrics.

Inherits From: Callback

This callback is automatically applied to every Keras model.

stateful_metrics Iterable of string names of metrics that should not be averaged over an epoch. Metrics in this list will be logged as-is in on_epoch_end. All others will be averaged in on_epoch_end.

Methods

on_batch_begin

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A backwards compatibility alias for on_train_batch_begin.

on_batch_end

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A backwards compatibility alias for on_train_batch_end.

on_epoch_begin

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Called at the start of an epoch.

Subclasses should override for any actions to run. This function should only be called during TRAIN mode.

Arguments
epoch integer, index of epoch.
logs dict. Currently no data is passed to this argument for this method but that may change in the future.

on_epoch_end

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Called at the end of an epoch.

Subclasses should override for any actions to run. This function should only be called during TRAIN mode.

Arguments
epoch integer, index of epoch.
logs dict, metric results for this training epoch, and for the validation epoch if validation is performed. Validation result keys are prefixed with val_.

on_predict_batch_begin

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Called at the beginning of a batch in predict methods.

Subclasses should override for any actions to run.

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.

on_predict_batch_end

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Called at the end of a batch in predict methods.

Subclasses should override for any actions to run.

Arguments
batch integer, index of batch within the current epoch.
logs dict. Metric results for this batch.

on_predict_begin

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Called at the beginning of prediction.

Subclasses should override for any actions to run.

Arguments
logs dict. Currently no data is passed to this argument for this method but that may change in the future.

on_predict_end

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Called at the end of prediction.

Subclasses should override for any actions to run.

Arguments
logs dict. Currently no data is passed to this argument for this method but that may change in the future.

on_test_batch_begin

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Called at the beginning of a batch in evaluate methods.

Also called at the beginning of a validation batch in the fit methods, if validation data is provided.

Subclasses should override for any actions to run.

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.

on_test_batch_end

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Called at the end of a batch in evaluate methods.

Also called at the end of a validation batch in the fit methods, if validation data is provided.

Subclasses should override for any actions to run.

Arguments
batch integer, index of batch within the current epoch.
logs dict. Metric results for this batch.

on_test_begin

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Called at the beginning of evaluation or validation.

Subclasses should override for any actions to run.

Arguments
logs dict. Currently no data is passed to this argument for this method but that may change in the future.

on_test_end

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Called at the end of evaluation or validation.

Subclasses should override for any actions to run.

Arguments
logs dict. Currently no data is passed to this argument for this method but that may change in the future.

on_train_batch_begin

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Called at the beginning of a training batch in fit methods.

Subclasses should override for any actions to run.

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.

on_train_batch_end

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Called at the end of a training batch in fit methods.

Subclasses should override for any actions to run.

Arguments
batch integer, index of batch within the current epoch.
logs dict. Metric results for this batch.

on_train_begin

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Called at the beginning of training.

Subclasses should override for any actions to run.

Arguments
logs dict. Currently no data is passed to this argument for this method but that may change in the future.

on_train_end

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Called at the end of training.

Subclasses should override for any actions to run.

Arguments
logs dict. Currently no data is passed to this argument for this method but that may change in the future.

set_model

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set_params

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