Categorical calculator

Chi-square test calculator

Run chi-square tests for independence or goodness-of-fit with expected counts, χ², p-value, and Cramér’s V.

Run this test in StatLab Use @statlab/core

When to use it

Use for count data organized by categories.

Inputs

  • Observed count table
  • Expected proportions or second categorical variable
  • Alpha level

Reporting cautions

  • Small expected counts may require Fisher’s exact test.
  • Report the table shape and effect size with the p-value.

Technical teams

Need repeatable statistical validation in a product or release pipeline? StatLab feeds into VoxelPulse for technical telemetry and VoxelAssurance for release-readiness review.

Ask about the technical tier

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