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Trifacta Dataprep


If you licensed Dataprep by Trifacta before Oct. 14, 2020, you are using the Dataprep by Trifacta Legacy product edition. On October 14, 2022, this product edition will be decommissioned by Google and will be no longer available for use. Current customers of this product edition are encouraged to transition to one of the product editions hosted by Trifacta. See Product Editions.


At the top of the Transformer page, you can see the Sample Indicator showing the name of the currently displayed sample. If you have not taken a sample, this value is Initial data. Click this button to show more information about the sample.

Figure: Sample Indicator

In the Sample Indicator, you can review the number of rows collected in the same and information about the user and time when the sample was collected.

  • As needed, you can change the size of samples loaded into the browser for your current recipe, which may address performance issues. Click Edit. For more information, see Change Recipe Sample Size.
  • To generate a new sample, click Collect a new sample. The Samples panel is displayed. For more information, see Samples Panel.

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