Table 2 Model selection for outcome variable length-of-stay by median
Variable | Best algorithm/ statistical procedure | Accuarcy (%) | AUC | Sensivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|---|---|---|
All Variables (90) | Boosted trees | 65 | 0.67 | 63 | 69 | 76 | 54 |
Victim injured severly/fatally | Boosted trees | 65 | 0.60 | 63 | 68 | 75 | 55 |
Index crime: (attempted) homicide | KNN | 61.5 | 0.60 | 61 | 62 | 61 | 62 |
Victim injury severly/fatally and index crime (attempted) homicide | SVM | 65 | 0.65 | 63 | 68 | 75 | 55 |