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Underlying Calculation for Standard Deviation Factors

Julkaisupäivä: Apr 28, 2025
Tehtävä
What is the underlying calculation tableau uses for standard deviation. More specifically, what is the underlying calculation for the standard deviation factors in Tableau?
Vaiheet
The calculation Tableau Desktop is running for Standard Deviation is what every text book lists as the definition of standard deviation.

The -1/1 factor is AVG - 1*STDEV and AVG + 1*STDEV and the -2/2 factor is AVG - 2*STDEV and AVG + 2*STDEV.
Lisäresurssit
The attached workbook contains examples of calculating the -1/+1 manually using Table Calculation Functions.
Knowledge-artikkelin numero

001458006

Liitteet

Stdev.twbx

449 KB

 
Ladataan
Salesforce Help | Article