# Overview

THIS WEBSITE IS NO LONGER MAINTAINED; IT HAS BEEN REPLACED BY A NEW, UPDATED VERSION THAT IS ACTIVELY MANTAINED, AVAILABLE AT <https://time-series-features.gitbook.io/catch22>

Please check out all of these resources, and more over there!

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Want to do feature-based time-series analysis, fast, and in a coding language of your choice? The *catch22* feature set provides open access to a powerful reduced set of time-series analysis features (extracted from the full *hctsa* feature set) that compute quickly. **But** the features have long scary names that can be difficult to interpret…

<figure><img src="https://923954068-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MfHFY4lvzOz3IPaA3wm%2Fuploads%2FVXoR6P52aObl3RyHp3Wa%2Fcatch22_logo_square.png?alt=media&#x26;token=ce791961-eca7-4bb6-9bb4-f975942a7c81" alt="" width="257"><figcaption><p>The catch22 feature set is a fast, C-coded set of statistical time-series features.</p></figcaption></figure>

&#x20;**Welcome to a collection of&#x20;*****catch22*****&#x20;feature descriptions!**

In this document, we aim to explain the *catch22* features in a clear and intuitive way, with plots and examples.

Being written in the beautiful GitBook platform, you can comment into the document if you have any questions or spot any errors.

Happy exploring!

#### Links:

* [*catch22* GitHub page](https://github.com/chlubba/catch22)
* [*catch22* wiki.](https://github.com/chlubba/catch22/wiki)
* [*hctsa* GitHub page](https://github.com/benfulcher/hctsa).