Table 6 Guidelines for interpreting the relationship between the kappa coefficient and classification accuracy
From: DRG grouping by machine learning: from expert-oriented to data-based method
Kappa coefficient | 0.01–0.20 | 0.21–0.40 | 0.41–0.60 | 0.61–0.80 | 0.81–1.00 |
|---|---|---|---|---|---|
Agreement | Slight | Fair | Moderate | Substantial | Almost perfect or perfect |