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The default sample is the first set of rows of source data in the dataset, the number of which is determined by the platform. For smaller datasets, the entire dataset can be used as your sample. In the Transformer page, it's listed as Full Initial Data in the upper-left corner.

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• If your dataset is small enough, the sample is the entire dataset. 
• For larger datasets, 

  D s product

   auto-generates an initial data sample from  from the first rows of your dataset.

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