Anvil.Agreement.Cohen (Anvil v0.1.1)

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Cohen's kappa for measuring agreement between two raters.

κ = (p_o - p_e) / (1 - p_e)

where:

  • p_o = observed agreement
  • p_e = expected agreement by chance

Summary

Functions

compute(labels, opts \\ [])

Computes Cohen's kappa for two raters.

Functions

compute(labels, opts \\ [])

@spec compute(
  [Anvil.Label.t()],
  keyword()
) :: {:ok, float()} | {:error, term()}

Computes Cohen's kappa for two raters.

Options

  • :field - Field name to compute agreement for (default: first field in values)