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'}))▶ RunSee Also
Frequently Asked Questions about categories()
Is the categories() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run categories() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use categories()?
No. SimLab runs entirely in your web browser with zero installation. The categories() function works without any MATLAB® license or 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. Execution happens locally in your browser — no data leaves your machine.
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