Clinical
Positive likelihood ratio
Implemented
clinical.lr_positiveDefinition
How much a positive result increases the odds of the condition.
Formula
LR+ = Sensitivity / (1 − Specificity)
Range: [0, ∞)
Inputs and outputs
- y_true: binary reference standard
- y_pred: binary test result
Returns: float
Assumptions
No assumptions beyond valid, aligned inputs of the documented types.
Limitations
- Infinite when specificity is 1; reported explicitly.
Python API
import evalsuite as es
es.lr_positive(y_true, y_pred)References
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