Some reports (e.g. the Stats Report) allow you to compare results of two different segments. Below is a simple example that will help you understand available methods for combining the results.
Left
the segment selected on the filters tree
Sample data:
13.00 plums (62%) 4.00 apples (19%) 3.00 pears (14%) 1.00 watermelon (5%)
Results: 4
Total Count: 21
Right
The segment you compare the selected segment to.
Sample data:
11.00 plums (57%) 4.00 oranges (21%) 3.00 apples (15%) 1.00 watermelon (5%)
Results: 4
Total Count: 19
Combined Output
The result of combining the results from the left and right segments.
Available combination methods:
Difference
Only the results that exist either in the currently selected segment or the one you compare it to.
Entries Unique To The Segment
4.00 (4) oranges
Results: 1
Total Count: 4
Entries Absent In The Segment
3.00 (3) pears
Results: 1
Total Count: 3
Intersection
Only the results that exist in both the selected segment or the one you compare it to.
Divide By The Segment’s Data
1.33 (4/3) apples 1.18 (13/11) plums 1.00 (1/1) watermelon
Results: 3
Total Count: 3.51
Percentage Difference
5.00 (62% - 57%) apples 4.00 (19% - 15%) plums 0.00 (5% - 5%) watermelon
Results: 3
Total Count: 9.00
Calculate Variance
4.00 (13-11)2 plums 1.00 (4-3)2 apples 0.00 (1-1)2 watermelon
Subtract The Segment’s Data
2.00 (13-11) plums 1.00 (4-3) apples 0.00 (1-1) watermelon
Results: 3
Total Count: 3.00
Add The Segment’s Data
24.00 (13+11) plums 7.00 (4+3) apples 2.00 (1+1) watermelon
Results: 3
Total Count: 33.00
Common Entries
13.00 (13) plums 4.00 (4) apples 1.00 (1) watermelon
Results: 3
Total Count: 18.00
Union
All results from the two segments are used.
Subtract The Segment’s Data
3.00 (3-0) pears 1.00 (4-3) apples 2.00 (13-11) plums 0.00 (1-1) watermelon -4.00 (0-4) oranges
Results: 5
Total Count: 2.00
Add The Segment’s Data
24.00 (13+11) plums 7.00 (4+3) apples 4.00 (0+4) oranges 3.00 (3+0) pears 2.00 (1+1) watermelon
Results: 5
Total Count: 40.00