Hi,
I’m working on a Looker Studio for a client and collecting data from my Piwik Pro client account.
The issue is that I have differences between data collected by month and the grand total line for visitors.
Here is an example:
Can you please give an explanation about how this metric is calculated?
For your information, I collected 89,615 visitors in Piwik Pro during the same period for every report.
Best regards,
Arthur