Model
Overall model is split in 3 steps, that are the back bone of DataMa Compare

Waterfall analysis
Identify which step of the funnel is driving the change
See details here
Dimension analysis
Identify which dimension in a specific step is driving the change
See details here
Mix effect
For each step, analyze how much mix effects on each dimension contributes to the observed gap
Segment performance
For each step and each dimension, identify which specific segment performance is driving the observed gap
Summary
For each step, select most interesting dimension to explain observed gap
See details here
Other modeling components
See details here