Databases Reference
In-Depth Information
Figure 13-5. An example of how to draw an ROC curve
Sometimes to measure rankings, people draw the so-called lift curve
shown in
Figure 13-6
.
Figure 13-6. The so-called lift curve
The key here is that the lift is calculated
with respect to a baseline
. You
draw it at a given point, say 10%, by imagining that 10% of people are