In data analysis, sampling is the practice of analyzing a subset of all data in order to uncover meaningful information in the larger data set.
In Google Analytics 4, the data sampling process is essentially similar to that of traditional Google Analytics. Both versions utilize sampling to efficiently process large volumes of data and provide insightful reports and analysis quickly and effectively.
How can I check if my data is being sampled in the GA4 console?
To determine whether your data has been sampled or not, you should navigate to the "Reports snapshot" section within the GA4 console.
Next, take note of the color of the shield icon located at the top of the report. When the shield icon is green, the displayed data is not sampled. If a yellow shield appears, the data is sampled.
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Below is an example of a chart where the data is not being sampled:
How can data sampling be avoided in Google Analytics 4 using Dataslayer?
Dataslayer cannot prevent data sampling in Google Analytics 4 because the official GA4 API has not yet added that functionality.
Here's more information for GA4 sampling data on the Google support page.
As always, please do not hesitate to contact us via our live chat on our website or via e-mail if you still have doubts or questions. We are happy to help!