# Evaluation

The TypeScript SDK provides a streamlined approach to evaluating your LLM applications with the `evaluate` function that handles various evaluation scenarios.

```mermaid
flowchart LR
    A[Dataset item] --> B[Evaluation Task]
    B --> C[Data Processing]
    C --> D[Metrics Scoring]
    D --> E[Evaluation Results]

    style A fill:#f9f9f9,stroke:#333,stroke-width:2px
    style B fill:#e1f5fe,stroke:#333,stroke-width:2px
    style C fill:#e8f5e9,stroke:#333,stroke-width:2px
    style D fill:#e3f2fd,stroke:#333,stroke-width:2px
    style E fill:#fff3e0,stroke:#333,stroke-width:2px
```

## Structure

The TypeScript SDK evaluation documentation covers:

- **[Quick Start](https://www.comet.com/reference/typescript-sdk/evaluation/quick-start)**: Get up and running with basic evaluations
- **[Datasets](https://www.comet.com/reference/typescript-sdk/evaluation/datasets)**: Working with evaluation datasets
- **[Evaluate Function](https://www.comet.com/reference/typescript-sdk/evaluation/evaluate_function)**: Using the evaluate function
- **[Evaluation Metrics](https://www.comet.com/reference/typescript-sdk/evaluation/metrics)**: Available metrics and creating custom metrics
- **[Experiments](https://www.comet.com/reference/typescript-sdk/evaluation/experiments)**: Creating and managing evaluation experiments
- **[Test Suites](https://www.comet.com/reference/typescript-sdk/evaluation/test_suites)**: Regression testing with assertions and execution policies

## Related pages

- [Quick Start](./typescript-sdk-evaluation-quick-start.md)
- [Datasets](./typescript-sdk-evaluation-datasets.md)
- [Evaluate Function](./typescript-sdk-evaluation-evaluate-function.md)
- [evaluatePrompt Function](./typescript-sdk-evaluation-evaluate-prompt-function.md)
- [Models](./typescript-sdk-evaluation-models.md)
- [Evaluation Metrics](./typescript-sdk-evaluation-metrics.md)
- [Experiments](./typescript-sdk-evaluation-experiments.md)
- [Test Suites](./typescript-sdk-evaluation-test-suites.md)

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