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Adjust sampling in reports

Change the sample size to adjust reporting precision and speed.

When sampling is in effect, you see a message at the top of the report that says This report is based on N% of sessions.

To the right of that message, you can select one of two options to change the sampling size:

  • Greater precision: uses the maximum sample size possible to give you results that are the most precise representation of your full data set
  • Faster response: uses a smaller sampling size to give you faster results
Sampling controls: Greater precision or Faster response
Sampling controls.

Your data automatically refreshes using the new setting. Your preference is saved across all of your reports, but resets after you close Analytics.

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