> For the complete documentation index, see [llms.txt](https://docs.allganize.ai/nlu-api-dashboard/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.allganize.ai/nlu-api-dashboard/model-management/performance-metrics/classification.md).

# Classification

Understand Key Metrics and Calculation Methods for Text Classification

Text classification uses performance metrics that are almost identical to those used in review analysis, so you can refer to them and apply them as needed.

{% content-ref url="/pages/0xekeSfHWnTsn0PK9YFg" %}
[Review Analysis](/nlu-api-dashboard/model-management/performance-metrics/review-analysis.md)
{% endcontent-ref %}

## &#x20;<a href="#id-5.-tree-classification" id="id-5.-tree-classification"></a>

![](blob:https://allganize2.atlassian.net/f617012d-2c0a-429f-824a-91c8f60ea319#media-blob-url=true\&id=9901eaeb-f35d-4d38-b05a-6155e4f02a8a\&collection=contentId-1977417809\&contextId=1977417809\&height=487\&width=1685\&alt=)<br>