tf.keras.utils.Progbar

Displays a progress bar.

Used in the notebooks

Used in the tutorials

target Total number of steps expected, None if unknown.
width Progress bar width on screen.
verbose Verbosity mode, 0 (silent), 1 (verbose), 2 (semi-verbose)
stateful_metrics Iterable of string names of metrics that should not be averaged over time. Metrics in this list will be displayed as-is. All others will be averaged by the progbar before display.
interval Minimum visual progress update interval (in seconds).
unit_name Display name for step counts (usually "step" or "sample").

Methods

add

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update

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Updates the progress bar.

Args
current Index of current step.
values List of tuples: (name, value_for_last_step). If name is in stateful_metrics, value_for_last_step will be displayed as-is. Else, an average of the metric over time will be displayed.
finalize Whether this is the last update for the progress bar. If None, defaults to current >= self.target.