VAR.P, VAR.S, VARX.P, VARX.S – DAX Guide

VAR.P: Calculates variance based on the entire population.
https://dax.guide/var-p/

VAR.S: Estimates variance based on a sample.
https://dax.guide/var-s/

VARX.P: Estimates variance based on the entire population that results from evaluating an expression for each row of a table.
https://dax.guide/varx-p/

VARX.S: Estimates variance based on a sample that results from evaluating an expression for each row of a table.
https://dax.guide/varx-s/

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