> For the complete documentation index, see [llms.txt](https://time-series-features.gitbook.io/catch22/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://time-series-features.gitbook.io/catch22/welcome-to-catch22.md). # Welcome to catch22 CAnonical Time-series CHaracteristics 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 that compute quickly. * A **generally applicable** subset of 22 features from the [*hctsa*](https://github.com/benfulcher/hctsa/tree/c50568f53133ba7cdc77b5ed2bedb36bbe93ef28) time-series feature library that provide an **effective** general summary of time-series statistical properties. * Available as native [**Python**](/catch22/language-specific-docs/python.md), [**Julia**](/catch22/language-specific-docs/julia.md)**,** [**MATLAB**](/catch22/language-specific-docs/matlab.md)**,** and [**R**](/catch22/language-specific-docs/r.md) packages (that call[ **C-compiled**](/catch22/language-specific-docs/c-compiled.md) executables). ## Language-Specific Documentation Choose your coding language below (or from the sidebar). Each pages cover **all** aspects of usage in a particular language including **installation guides**, **tutorials** and **frequently asked questions**.


Python	python_light.png	Python
MATLAB	MATLAB_light.png	MATLAB
R	R_light.png	R
Julia	julia_light.png	Julia
C-compiled executable	C_light.png	C-compiled

## Feature Descriptions Want to know what each time-series feature in the *catch22* set computes? Access a high level summary of *catch22* features with the feature table or delve into the specifics with detailed descriptions and tutorials on each feature.


	Summary Table		table_of_spis_light.png	Feature Overview Table
	Detailed Descriptions		got_light.png	Feature Descriptions

## Publications using *Catch22* An ever-growing list of publications that use *catch22.*


	List of Publications		spi_descriptions_light.png	Publications using catch22

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