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• Rank values start at 1 and increment.

• Ranking order varies depending on the data type of the source data. For more information, see Sort Order.

• You must use the group and order parameters to define the groups of records and the order of those records to which this function is applied. 

• This function works with the following transforms:
  • Window Transform
  • Set Transform
  • Derive Transform
• This function assigns ranking of the next value of a set of ties as a single increment more. For more discrete ranking, see RANK Function.

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