groupsummary()
Tables
groupsummary() is a MATLAB®-compatible tables function for group table rows by groupvar and apply aggregator (mean/sum/count) to other columns. Run it online in your browser with SimLab — free, no install, no license required.
Group table rows by groupVar and apply aggregator (mean/sum/count) to other columns.
Syntax
groupsummary(t, groupVar, aggregator)
Examples — run groupsummary() in your browser
groupsummary(table({'A','B','A'}, [1;2;3], 'VariableNames', {'cat','v'}), 'cat', 'mean')▶ RunSee Also
Frequently Asked Questions about groupsummary()
Is the groupsummary() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run groupsummary() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use groupsummary()?
No. SimLab runs entirely in your web browser with zero installation. The groupsummary() function works without any MATLAB® license or software download.
What does groupsummary() do?
Group table rows by groupVar and apply aggregator (mean/sum/count) to other columns. It is a MATLAB®-compatible tables function available in SimLab with the same calling syntax as MATLAB® — typically: groupsummary(t, groupVar, aggregator).
Can I run groupsummary() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls groupsummary(), and run it. Execution happens locally in your browser — no data leaves your machine.
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