# Running hctsa computations

An *hctsa* analysis requires setting a library of time series, master operations and operations, and generates a `HCTSA.mat` file (using `TS_Init`), as described [here](https://time-series-features.gitbook.io/hctsa-manual/installing-and-using-hctsa/calculating/input_files). Once this is set up, computations are run using [`TS_Compute`](https://time-series-features.gitbook.io/hctsa-manual/installing-and-using-hctsa/calculating/running_computations).

These steps, as well as information on how to [inspect the results of an *hctsa* analysis](https://time-series-features.gitbook.io/hctsa-manual/installing-and-using-hctsa/calculating/dealing_with_errors) and [working with HCTSA\*.mat files](https://github.com/benfulcher/hctsaDocumentation/tree/71794292cac125d96004eacd0c1934c6feacd36b/working_with_hctsa_files/README.md), are provided in this chapter.