T.INV
Applies to: 
Calculated column
Calculated table
Measure
Visual calculation
Returns the left-tailed inverse of the Student's t-distribution.
Syntax
T.INV(Probability,Deg_freedom)
Parameters
| Term | Definition |
|---|---|
| Probability | The probability associated with the Student's t-distribution. |
| Deg_freedom | The number of degrees of freedom with which to characterize the distribution. |
Return value
The left-tailed inverse of the Student's 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
EVALUATE { T.INV(0.75, 2) }
Returns
| [Value] |
|---|
| 0.816496580927726 |