199. AB-test categorization. Part 2

In this lesson, we’ll be talking about the technical aspect of categorization – when and where it happens, how it’s tracked, how the categorization data makes its way to the data warehouse.

AB-test categorization

To categorize a user for an AB-test means to assign this user a variation of the AB-test. This is why we imagine that this association between AB-test variations and users could be stored in a data warehouse like this:

ab_test_name ab_test_variation user_id categorized_at
onboarding_abtest control 1234 2018-03-08 10:33:13
...
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