Entry / Exit Analysis
Entry / Exit Analysis lets you use the entry (first) or exit (last) in-session dimensions across different types of analysis.
Supported metric types
Entry / Exit analysis supports the following metric types:
- Uniques: The count of unique users
- Event totals: The total number of events
- Session totals: The total count of sessions
- PROPSUM: The sum of a group-by property value
Enable Entry / Exit Analysis
Apply Entry or Exit semantics to any supported metric type in the Data Table.
To enable this analysis:
- In a data table with at least one event or metric, click the Options menu in the header of the column you want to enable the analysis on.
- Click Enable Entry/Exit Analysis in the options menu. The Enable Entry/Exit Analysis dialog appears.
- Select how to apply group-by properties to the column:
- Default: Uses the standard group-by setting for the column
- Entry: Groups data by the first non-null property value of an active event in a session that contains the specified event.
- Exit: Groups data by the last non-null property value of an active event in a session that contains the specified event.
Data table columns support either Attribution or Entry / Exit analysis, but not both.
- Click Apply.
Processing flow
For each session that contains the event specified in the column:
Amplitude identifies all relevant sessions.
For each session:
- Amplitude extracts the first property value of an active event for Entry Analysis.
- Amplitude extracts the last property value of an active event for Exit Analysis.
Amplitude uses these values to compute session-based metrics.
Calculations
Amplitude uses the following formulas to compute the metrics that support Entry and Exit analysis:
| Metric Type | Formula |
|---|---|
| Uniques | UNIQUES(A) |
| Event totals | TOTALS(A) |
| Prop sum | PROPSUM(A) |
| Session totals (Entry analysis) | Like Session Entries |
| Session totals (Exit analysis) | Like Session Exits |
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