Table 5 Confusion matrix schematic
From: DRG grouping by machine learning: from expert-oriented to data-based method
Class | C1 | C2 | … | SUM |
|---|---|---|---|---|
C1 | \({x}_{11}\) | \({x}_{12}\) | Â | \({x}_{1+}\) |
C2 | \({x}_{21}\) | \({x}_{22}\) | Â | \({x}_{2+}\) |
… |  |  |  |  |
SUM | \({x}_{+1}\) | \({x}_{+2}\) | Â | \({x}_{++}\) |