Along the same lines of examining NPV, there are standard measures that examine cells within a confusion matrix.
Receiver operating characteristic – ROC analysis
Getting ready
Sensitivity
Sensitivity, like NPV in the previous section, is a mathematical function of the confusion matrix cells. Sensitivity is the proportion of people who took the test with a condition and were correctly labeled as having the condition, diabetes in this case:
![](https://static.packt-cdn.com/products/9781787286382/graphics/assets/29bbe2b5-5c8d-4b78-bc12-bbc736ff415d.png)
Mathematically, it is the ratio of patients correctly labeled as having a condition (TP) divided by the total number of...