In Tableau, what is the purpose of the PREVIOUS_VALUE() table calculation function?

Tableau Hard

Tableau — Hard

In Tableau, what is the purpose of the PREVIOUS_VALUE() table calculation function?

Key points

  • PREVIOUS_VALUE() is used for self-referential calculations
  • It returns the result from the previous mark, not the data source
  • This function enables running calculations based on prior results
  • It's distinct from looking up values from previous date partitions

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