1. Analýza GA4 dat
v Google Bigquery
Vašek Jelen
Datarestart 2021

2. GA4 schema
vs
Universal schema

3. GA Universal - visit based GA4 - event based
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

4. Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

5. https://support.google.com/analytics/answer/11202874
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

6. JAK GA(4) BQ data
používám

7. Na jakých projektech nasazuji GA4
(stav 10/2021)
standalone aplikace kde není potřeba atribuce ke
zdroji trafficu a mám IDčka uživatelů
(webové Aplikace, klientské zóny/sekce.)
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

8. Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

9. onboarding a
SAmple datasety

10. https://console.cloud.google.com/marketplace/product/obfuscated-ga360-data/obfuscated-ga360-data
GA sample datasety - Universal Analytics
https://developers.google.com/analytics/bigquery/web-ecommerce-demo-dataset
GA sample dataset - GA4
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz
console.cloud.google.com/bigquery

11. SELECT *
FROM `bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_*`
cross join unnest(user_properties)
where
key is not null
Sample dataset neobsahuje žádné user properties
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

12. Unikátní …
users
sessions

13. Schema - Universal Schema - GA4
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

14. GA Universal: visit ID = visitStartTime
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

15. I GA4 obsahuje session ID - Je to timestamp začátku session
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

16. select
distinct concat(user_pseudo_id,"-",(select value.int_value from unnest(event_params) where key = 'ga_session_id')) as
sessionID
from
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_20210131`
UNIKáTNí session ID v GA4 je concat event parametru GA_session_ID + user_pseudo_id
UNIKáTNí session ID v universal je concat parametru visit iD + client_ID
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

17. Source/medium/
campaign

18. USER LEVEL!!! (zdroj pro první návštěvu usera)
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

19. session source je na úrovni event_params pro non-direct zroje
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

20. Source/medium/campaign v GA4
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

21. select
user_pseudo_id,
concat(user_pseudo_id,"-",(select value.int_value from unnest(event_params) where key = 'ga_session_id')) as sessionID,
(select value.string_value from unnest(event_params) where key = 'source') as traffic_source,
(select value.string_value from unnest(event_params) where key = 'medium') as traffic_medium
from
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_20210131`
group by
user_pseudo_id,
sessionID,
traffic_source,
traffic_medium
having
traffic_source is not null
Source/medium/campaign v GA4
Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

22. GA4 data a
datastudio

23. Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

24. Analýza GA4 dat v Google Bigquery, Datarestart 2021, 21.10.2021 vasek@vasekjelen.cz

25. vasek@vasekjelen.cz
linkedin.com/in/vaclavjelen
@vasekjelen