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• The default sample is the initial sample.
• By default, each sample is 10 MB in size or the entire dataset if it's smaller.  
  
  • If the source data is larger than 10MB in size, a random sample is automatically generated for you when the recipe is first loaded in the Transformer page. 
  • The initial sample is selected by default. When the automatic random sample has finished generation, it can be manually selected for display.
• If your source of data is a directory containing multiple files, the initial sample for the combined dataset is generated from the first set of rows in the first filename listed in the directory.

  • If the matching file is a multi-sheet Excel file, the sample is taken from the first sheet in the file.If you are wrangling a dataset with parameters, the initial sample loaded in the Transformer page is taken from the first matching dataset.

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