Defines the number of epochs H2O LLM Studio uses before each validation loop for model training. In other words, it determines the frequency (in a number of epochs) to run the model evaluation on the validation data.

- Increasing the number of *Evaluation Epochs* can speed up an experiment.
- The **Evaluation epochs** setting is available only if the following setting is turned **Off**: **Save Best Checkpoint**. 
- Can be a fraction of an epoch