Expert Data AI

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Inter-Annotator Agreement Calculator

Compute simple percent agreement: shared labels divided by items both reviewers saw.

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Methodology

Percent agreement = agreed items ÷ overlapping items × 100.

Simple percent agreement: 68.0%. This does not correct for chance. Cohen’s κ or similar coefficients need a full confusion matrix and are not computed here.

Limitations

This does not compute Cohen’s κ, Krippendorff’s α, or other chance-corrected measures. High agreement on easy items is not proof of expert quality.

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