callback_progbar_logger.qmd

---
execute:
  freeze: true
---

[R/callbacks.R](https://github.com/rstudio/keras//blob/main/R/callbacks.R#L15) 

# callback_progbar_logger

## Callback that prints metrics to stdout.

## Description
 Callback that prints metrics to stdout. 


## Usage
```r
 
callback_progbar_logger(count_mode = "samples", stateful_metrics = NULL) 
```

## Arguments
|Arguments|Description|
|---|---|
| count_mode | One of "steps" or "samples". Whether the progress bar should count samples seens or steps (batches) seen. |
| stateful_metrics | List of metric names that should **not** be averaged onver an epoch. Metrics in this list will be logged as-is in `on_epoch_end`. All others will be averaged in `on_epoch_end`. |






## See Also
 Other callbacks:  `callback_csv_logger()`, `callback_early_stopping()`, `callback_lambda()`, `callback_learning_rate_scheduler()`, `callback_model_checkpoint()`, `callback_reduce_lr_on_plateau()`, `callback_remote_monitor()`, `callback_tensorboard()`, `callback_terminate_on_naan()`