Struct ValidationCallback 

pub struct ValidationCallback {
    pub validation_frequency: usize,
}

Callback for validation during training.

Fields

validation_frequency: usize

Frequency of validation (every N epochs).

Implementations

impl ValidationCallback

pub fn new(validation_frequency: usize) -> Self

Create a new validation callback.

Trait Implementations

impl Callback for ValidationCallback

fn on_epoch_end( &mut self, epoch: usize, state: &TrainingState, ) -> TrainResult<()>

Called at the end of an epoch.

fn on_train_begin(&mut self, _state: &TrainingState) -> TrainResult<()>

Called at the beginning of training.

fn on_train_end(&mut self, _state: &TrainingState) -> TrainResult<()>

Called at the end of training.

fn on_epoch_begin( &mut self, _epoch: usize, _state: &TrainingState, ) -> TrainResult<()>

Called at the beginning of an epoch.

fn on_batch_begin( &mut self, _batch: usize, _state: &TrainingState, ) -> TrainResult<()>

Called at the beginning of a batch.

fn on_batch_end( &mut self, _batch: usize, _state: &TrainingState, ) -> TrainResult<()>

Called at the end of a batch.

fn on_validation_end(&mut self, _state: &TrainingState) -> TrainResult<()>

Called after validation.

fn should_stop(&self) -> bool

Check if training should stop early.