T.DIST

Applies to: Calculated column Calculated table Measure Visual calculation

Returns the Student's left-tailed t-distribution.

Syntax

DAX
T.DIST(X,Deg_freedom,Cumulative)

Parameters

Term Definition
X The numeric value at which to evaluate the distribution.
Deg_freedom An integer indicating the number of degrees of freedom.
Cumulative A logical value that determines the form of the function. If cumulative is TRUE, T.DIST returns the cumulative distribution function; if FALSE, it returns the probability density function.

Return value

The Student's left-tailed t-distribution.

Remarks

This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.

Example

DAX
EVALUATE { T.DIST(60, 1, TRUE) }

Returns,

[Value]
0.994695326367377

T.DIST.2T
T.DIST.RT
T.INV
T.INV.2t