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Underlying Calculation for Standard Deviation Factors

Udgivelsesdato: Apr 28, 2025
Opgave
What is the underlying calculation tableau uses for standard deviation. More specifically, what is the underlying calculation for the standard deviation factors in Tableau?
Trin
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.
Yderligere ressourcer
The attached workbook contains examples of calculating the -1/+1 manually using Table Calculation Functions.
Vidensartikelnummer

001458006

Vedhæftede filer

Stdev.twbx

449 KB

 
Indlæser
Salesforce Help | Article