> ## Documentation Index
> Fetch the complete documentation index at: https://cast.exakt.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Data viewer

> How to run queries on your own data

<img src="https://mintcdn.com/exakt/_6za0JqAICVAxhhk/essentials/images/data_viewer.png?fit=max&auto=format&n=_6za0JqAICVAxhhk&q=85&s=0b74e446b26b9ea3d9d7f2ccf112fed5" alt="title" width="1439" height="777" data-path="essentials/images/data_viewer.png" />

1. Data viewer tab
2. The Folder dropdown list where you can choose which folder they would like to choose a dataset from.
3. The Datasource dropdown list where you can choose which datasource you would like to build one-way visualisations from.
4. Data tab that opens the data profiler.
5. Visualization tab that opens the data visualisation tab.

## User Guide

For the data viewer we use the open source PyGWalker.
For more information on the library, please see the following: [https://docs.kanaries.net/pygwalker](https://docs.kanaries.net/pygwalker)

Please the below tutorial video on how to use the data viewer.

<iframe width="560" height="315" src="https://www.youtube.com/embed/rprn79wfB9E?start=138" title="YouTube video player" frameBorder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowFullScreen style={{ width: '100%', borderRadius: '0.5rem' }} />

In the future we are playing to additional tutorials on how to use the dataviewer for actuarial/rating data analysis.
Watch this space.