Set a relative cohorte period (Visitors segmentation)

When you need to segment on your visitors, you have to set 2 periods:

  1. The analysed period
  2. The cohort period

With this in mind, you can understand how your December buyers (cohort period) behaved in January (analysed period).

Fixed Cohort

You define a period with a start date and a end date. This is useful when you need for instance to report on your new buyers acquired during an acquisition campaign and during the Summer Sales. This period doesn't change.

Relative Cohort

The relative cohort has to be used when your analysed period and your cohort period are linked, e.g. to report on the retention. When you choose a relative cohort, it automatically matches with the reported period.

Let's take the following example, with 4 analysis periods...

  • The 25th of June 2018
  • From the 25th of June to the 3rd of July
  • June 2018
  • Week 26 2018

...on which we are applying 6 relative cohort periods:

  • Previous month (M -0): month of the first day of the analysed period
  • Previous month (M -1): month before the first day of the analysed period
  • Previous week (W -0): full week (Monday to Sunday) of the first day of the analysed period
  • Previous week (W -1): full week (Monday to sunday) before the first day of the analysed period
  • Previous day (D -0): first day of the analysed period (not available of the analysed period is "Today")
  • Previous day (D -1): day before the first day of the analysed period
  Analysis Periods

The 25th of June 2018

From the 25th of June to the 3rd of July

June 2018

Week 26 2018

Cohort Periods Cohort Definition
M -0 June 2018 June 2018 June 2018 June 2018
M -1 May 2018 May 2018 May 2018 May 2018
W -0 Week 26 2018 Week 26 2018 Week 22 2018 Week 26 2018
W -1 Week 25 2018 Week 25 2018 Week 21 2018 Week 25 2018
D -0 25th of June 2018 25th of June 2018 1st of June 2018 25th of June 2018
D -1 24th of June 2018 24th of June 2018 31st of May 2018 24th of June 2018

When using cohorts on current periods (M -0, W -0 and D -0),if the analysed period is not over (current month, current weekd, etc.), the cohort periods will end on the day before the analysed period. E.g. let's imagine today is the 17th of December 2018 and that the analysed period is week 50 (10th to 16th 2018):

Cohort Periods Cohorte Definition
M -0 December 2018 (from the 1st to the 16th)
W -0 Week 50 2018
D -0 9th of Decembre 2018

In the "Segments Manager"

In the Segments Manager, pick the "Visitors with cookies" scope (or "Identified Visitors"). The "period" parameter shows up and then you can choose either a fixed cohort period or a relative cohort period:

This relative cohort period will always be related to the analysis period and not to the day you query the data.

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