categories()

Data Types

categories() is a MATLAB®-compatible data types function for return the unique category levels of a categorical array as a string array, in insertion order. Run it online in your browser with SimLab — free, no install, no license required.

Return the unique category levels of a categorical array as a string array, in insertion order.

Syntax

categories(c)

Examples — run categories() in your browser

categories(categorical({'dog','cat','dog'}))
▶ Run

See Also

Frequently Asked Questions about categories()

Is the categories() function free to use in SimLab?

The browser workspace requires no MATLAB® license or installation. Connected features require network access and may have account, tier, availability, or usage limits. You can open categories() and 510+ other MATLAB®-compatible function references at simulations4all.com/simlab.

Do I need to install MATLAB to use categories()?

No. SimLab’s core parser, workspace state, and most functions run locally in your browser. The categories() function requires no MATLAB® license or desktop software download.

What does categories() do?

Return the unique category levels of a categorical array as a string array, in insertion order. It is a MATLAB®-compatible data types function available in SimLab with the same calling syntax as MATLAB® — typically: categories(c).

Can I run categories() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls categories(), and run it. This function’s calculation runs locally in the browser. SimLab session analytics, sharing, feedback, and eligible acceleration have separate network boundaries.

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