# Using Reports

Understand how to analyze your data and discover best practices

By Mikhail

- [Understanding metrics: A breakdown of the key metrics you can track using Chattermill.](https://docs.chattermill.com/en/articles/6389198-understanding-metrics)
- [How we calculate Positivity & Negativity Index: Understand how we analyze theme mentions.](https://docs.chattermill.com/en/articles/4493535-how-we-calculate-positivity-negativity-index)
- [How to use the Sentiment Distribution Metric: Learn how Sentiment Distribution works.](https://docs.chattermill.com/en/articles/4626249-how-to-use-the-sentiment-distribution-metric)
- [Understanding Impact Analysis: Learn how Impact Analysis enables you to understand how different themes contribute to your key metrics.](https://docs.chattermill.com/en/articles/6518910-understanding-impact-analysis)
- [Using multiple breakdowns: Uncover granular insights via a three-dimensional look at your data.](https://docs.chattermill.com/en/articles/10021490-using-multiple-breakdowns)
- [Recent changes to Impact Analysis: Details on how the new calculation affects your data.](https://docs.chattermill.com/en/articles/10033286-recent-changes-to-impact-analysis)