Table 4.
Cross-validated summary of performance of the tree model with all variables (column proportions). The diagonal values are the positive predictive values. The cells provide the number of subjects with each true diagnosis and predicted group.
| Cross-validated summary of performance of the tree model with all variables | |||||
|---|---|---|---|---|---|
|
| |||||
| Column proportions | |||||
|
| |||||
| Diagonal values are positive predictive value | |||||
|
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| Predicted categories | Total | ||||
|
|
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| Zika | Dengue | UAI | |||
|
| |||||
| True categories | Zika | 15 (0.45) | 2 (0.02) | 15 (0.07) | 33 |
| Dengue | 2 (0.06) | 51 (0.44) | 6 (0.03) | 59 | |
| UAI | 16 (0.48) | 63 (0.54) | 195 (0.90) | 274 | |
| Total | 33 (1.00) | 116 (1.00) | 217 (1.00) | ||
UAI, undefined acute illness.