Google Analytics sampling

Data Sources

You may find inconstancies with GA data in Chartio. The main reason for this is the fact that GA samples their data Depending on what Google Analytics account you have, you may be limited to sampled data. Only the premium accounts support unsampled data.

Account info:

However, the numbers should still be fairly close - sampling is meant to give you a close approximation.

It seems the sample data is fairly accurate when it comes to visits and page views but can vary in a wide rage for revenue, transactions, and goal conversions. In one of the tests from the articles below, they found revenue could be off by 11% to 80%.

There’s a number of articles you can search for on Google. Here’s a couple I like:

To get unsampled data would require a GA premium account and BigQuery:

We currently use Google’s Core Reporting API V4. You may be able to return more accurate results by using:

“samplingLevel”: “LARGE”

See this link for more information:

Additionally, you may be able to pull unsampled data using other various techniques:

Related Data Sources Help Articles

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