Table 4 Confusion matrix of J48 decision tree
From: Identifying typical physical activity on smartphone with varying positions and orientations
Model actual | Walking upstairs | Walking downstairs | Walking | Running | Static |
|---|---|---|---|---|---|
Walking upstairs | 915 | 18 | 160 | 21 | 0 |
Walking downstairs | 22 | 454 | 158 | 41 | 0 |
Walking | 127 | 85 | 2268 | 51 | 1 |
Running | 23 | 51 | 68 | 1938 | 0 |
Static | 0 | 0 | 16 | 0 | 1681 |