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Lifecycle Lifecycle: track the growth of your product's user base Interpret your Lifecycle chart

Other Charts User Composition: View your users by common properties

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Entry / Exit Analysis

Entry / Exit Analysis

Entry / Exit Analysis enables you to 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 to which you want to enable the analysis.
Click Enable Entry/Exit Analysis in the options menu. The Enable Entry/Exit Analysis dialog appears.
Select the manner in which you want 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.
Note
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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February 14th, 2025

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