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Data Stats Callback

Source

Data statistics callback.

DataStatsCallback

Bases: Callback

Callback to update model's data statistics from datamodule.

This callback ensures that the model has access to the data statistics (mean, std) calculated by the datamodule before training starts.

setup(trainer, module, stage)

Called when trainer is setting up.

Parameters:

Name Type Description Default
trainer Trainer

PyTorch Lightning trainer.

required
module LightningModule

Lightning module.

required
stage str

Current stage (fit, validate, test, or predict).

required