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the different cohorts have some users in common

  • 18 August 2021
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Hi, 

I was wondering some of the user cohort that I made.

 

from here,

I have created users who have done event called ‘add wizard’ 

and grouped this unique users with the user property called ‘ # of dreams created’.

I expected these user groups to have no users in common, but in reality it had some users in common.

 

If user do the event called ‘add wizard’ or ‘add dream’ 

the user property called ‘#of dreams created’ will be collected.

But there are coexisting users in the user cohort of 1) who have done’ add wizard’ with the user property called ‘# of dreams created=1’ and 2) who have done ‘add wizard’with the user property called ‘#of dreams created=2’

I would like to understand the meaning of coexisting users of these two cohorts..

can you please help me to understand this?

https://analytics.amplitude.com/Dreamfora0205/notebook/7ed7pdp/breadcrumbs/chart/ymqpl3b/edit/kb91505
https://analytics.amplitude.com/Dreamfora0205/cohort/encio68?source=manage+cohorts+table

 

thanks

with best regards, Flor Cho

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Best answer by ning.chang 19 August 2021, 07:56

Hey Flor!

Amplitude is an event-based analytics platform. For each event, user and event properties are sent in. For this user property of “# of dreams created”, I see that one user can have events with different values. 

If you use User Composition chart, and query for “# of dreams created”, and select “cross-property values”, you will see a breakdown of users with more than one value for this property:

https://analytics.amplitude.com/Dreamfora0205/notebook/7ed7pdp/breadcrumbs/chart/new/2immn7j 

If you click into a user with two values e.g. 0 and 1, let’s take this user for example: https://analytics.amplitude.com/Dreamfora0205/project/303550/search/amplitude_id%3D227034653565

If you look at the event “Sleep App”, user property “# of dreams created” = 1

However, if you look at the event “Click Setting”, user property “# of dreams created” = 0

Both of these events took place on 21 July.

This means that when you create a cohort or a chart that looks for users grouped by user property “# of dreams created” in the last 30 days for example, this user will appear in both the “0” and “1” buckets.

 

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Userlevel 2
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Hey Flor!

Amplitude is an event-based analytics platform. For each event, user and event properties are sent in. For this user property of “# of dreams created”, I see that one user can have events with different values. 

If you use User Composition chart, and query for “# of dreams created”, and select “cross-property values”, you will see a breakdown of users with more than one value for this property:

https://analytics.amplitude.com/Dreamfora0205/notebook/7ed7pdp/breadcrumbs/chart/new/2immn7j 

If you click into a user with two values e.g. 0 and 1, let’s take this user for example: https://analytics.amplitude.com/Dreamfora0205/project/303550/search/amplitude_id%3D227034653565

If you look at the event “Sleep App”, user property “# of dreams created” = 1

However, if you look at the event “Click Setting”, user property “# of dreams created” = 0

Both of these events took place on 21 July.

This means that when you create a cohort or a chart that looks for users grouped by user property “# of dreams created” in the last 30 days for example, this user will appear in both the “0” and “1” buckets.

 

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Hi Ning.chang

 

Wow, actually that was really helpful.

Thank you so much for your kind explanation!

 

This helped me much more how the user composition chart works!

I didn’t notice that this chart default setting is for ‘Most Recent Value’,

and there are more options for this.

 

Thanks a lot!!

 

with best regards, Flor Cho

Userlevel 2
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Hey Flor, you’re very welcome!! I’m happy to hear that it helped you make use of Amplitude better :)

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